Wikipedia:WikiProject Mathematics/List of mathematics articles (S–U)

S (set theory) -- S and L spaces -- S-duality -- S-equivalence -- S-finite measure -- S-function -- S-matrix -- S-object -- S-procedure -- S transform -- S-unit -- S2P (complexity) -- Saccheri–Legendre theorem -- Saccheri quadrilateral -- Sachs subgraph -- Sack–Schamel equation -- Sacred geometry -- Sacred Mathematics -- Saddle-node bifurcation -- Saddle point -- Saddle tower -- Saddlepoint approximation method -- Sadleirian Professor of Pure Mathematics -- Sadratnamala -- Safe and Sophie Germain primes -- Safe prime -- Safety in numbers -- Sagitta (geometry) -- Saint Petersburg Lyceum 239 -- Saint Petersburg Mathematical Society -- Saint-Venant's compatibility condition -- Saint-Venant's principle -- Saint-Venant's theorem -- Sainte-Laguë method -- Saito–Kurokawa lift --

Salamis Tablet -- Salem number -- Salem Prize -- Salinon -- Salomon Maimon -- Sammon mapping -- SAMPL -- Sample (material) -- Sample-continuous process -- Sample exclusion dimension -- Sample matrix inversion -- Sample maximum and minimum -- Sample mean and covariance -- Sample size determination -- Sample space -- Sampling (statistics) -- Sampling bias -- Sampling design -- Sampling distribution -- Sampling error -- Sampling fraction -- Sampling frame -- Sampling in order -- Sampling probability -- Sampling risk -- Sampling theory -- Sampling theory (disambiguation) -- SampTA -- Samuelson–Berkowitz algorithm -- Samuelson's inequality -- SAMV (algorithm) --

Sand table -- Sangaku -- Śaṅkaranandana -- Sankhya (journal) -- Sanov's theorem -- Santa Cruz High School -- Santa Fe Institute -- Santaló's formula -- Saqqara ostracon -- Sarah-Marie Belcastro -- Sarason interpolation theorem -- Sard's theorem -- Sardinas–Patterson algorithm -- Sargan–Hansen test -- Sarti surface -- Sasakian manifold -- SASTRA Ramanujan Prize -- Sastry automorphism -- SAT Subject Test in Mathematics Level 1 -- SAT Subject Test in Mathematics Level 2 -- Satake diagram -- Satake isomorphism -- Satellite knot -- Satisfiability -- Satisfiability Modulo Theories -- Sato–Tate conjecture -- Saturated array -- Saturated family -- Saturated measure -- Saturated model -- Saturated set -- Saturation (graph theory) -- Saturation arithmetic --

Sauer–Shelah lemma -- Savilian Professor of Geometry -- Savitch's theorem -- Savitzky–Golay filter -- Sawtooth wave -- Saxon math -- Sazonov's theorem -- SBI ring -- SC (complexity) -- Scalability -- Scalar (mathematics) -- Scalar curvature -- Scalar field -- Scalar field theory -- Scalar multiplication -- Scalar potential -- Scalar projection -- Scalar–tensor theory -- Scale (descriptive set theory) -- Scale analysis (mathematics) -- Scale analysis (statistics) -- Scale co-occurrence matrix -- Scale cube -- Scale factor -- Scale-free network -- Scale invariance -- Scale-invariant feature transform -- Scale of chords -- Scale parameter -- Scaled correlation -- Scaled inverse chi-squared distribution -- Scaling (geometry) -- Scaling and shifting -- Scaling limit -- Scan statistic -- Scandinavian Journal of Statistics -- Scandinavian Logic Society -- ScanIP -- Scarborough criterion -- Scatter matrix -- Scattered order -- Scattered space -- Scattering theory -- Scatterplot -- Scatterplot smoothing --

Scenario optimization -- Scene statistics -- Schaefer's dichotomy theorem -- Schamel equation -- Schanuel's conjecture -- Schanuel's lemma -- Schatten class operator -- Schatten norm -- Schauder basis -- Schauder dimension -- Schauder estimates -- Schauder fixed-point theorem -- Schaum's Outlines -- Scheffé's method -- Scheffé’s lemma -- Scheil equation -- Scheinerman's conjecture -- Scheirer–Ray–Hare test -- Schema for horizontal dials -- Scheme (mathematics) -- Scheme-theoretic intersection -- Scherk surface -- Schiffler point -- Schild's ladder -- Schilder's theorem -- Schinzel's hypothesis H -- Schinzel's theorem -- Schizophrenic number -- Schläfli double six -- Schläfli graph -- Schläfli orthoscheme -- Schläfli symbol -- Schlegel diagram -- Schlessinger's theorem -- Schmidt decomposition -- Schmidt's theorem -- Schmidt's theorem (disambiguation) -- Schneider–Lang theorem -- Schnirelmann density -- Schnorr group -- Schnorr signature -- Schnyder's theorem -- Schoch circles -- Schoch line -- Schoen–Yau conjecture -- Schoenflies notation -- Schoenflies problem -- Scholarpedia -- Scholz conjecture -- Scholz's reciprocity law -- Schönhage–Strassen algorithm -- Schönhardt polyhedron -- Schoof–Elkies–Atkin algorithm -- Schoof's algorithm -- School Mathematics Project -- School Mathematics Study Group -- School of Names -- Schottky form -- Schottky group -- Schottky problem -- Schottky's theorem -- Schouten–Nijenhuis bracket -- Schouten tensor -- Schramm–Loewner evolution -- Schreier conjecture -- Schreier coset graph -- Schreier domain -- Schreier refinement theorem -- Schreier–Sims algorithm -- Schreier vector -- Schreier's lemma -- Schröder–Bernstein property -- Schröder–Bernstein theorem -- Schröder–Bernstein theorem for measurable spaces -- Schröder–Bernstein theorems for operator algebras -- Schröder–Hipparchus number -- Schröder number -- Schröder's equation -- Schrödinger equation -- Schrödinger group -- Schrödinger logic -- Schrödinger method -- Schubert calculus -- Schubert polynomial -- Schubert variety -- Schuette–Nesbitt formula -- Schur algebra -- Schur algorithm -- Schur class -- Schur complement -- Schur complement method -- Schur-convex function -- Schur cover -- Schur decomposition -- Schur function -- Schur functor -- Schur–Horn theorem -- Schur multiplier -- Schur orthogonality relations -- Schur polynomial -- Schur product theorem -- Schur test -- Schur–Weyl duality -- Schur–Zassenhaus theorem -- Schur's inequality -- Schur's lemma -- Schur's lemma (disambiguation) -- Schur's lemma (Riemannian geometry) -- Schur's property -- Schur's theorem -- Schutzenberger group -- Schwartz–Bruhat function -- Schwartz kernel theorem -- Schwartz set -- Schwartz space -- Schwartz topological vector space -- Schwartz–Zippel lemma -- Schwarz–Ahlfors–Pick theorem -- Schwarz alternating method -- Schwarz–Christoffel mapping -- Schwarz function -- Schwarz integral formula -- Schwarz lantern -- Schwarz lemma -- Schwarz minimal surface -- Schwarz reflection principle -- Schwarz triangle -- Schwarz triangle function -- Schwarz's list -- Schwarzian derivative -- Schwarzschild coordinates -- Schwarzschild metric -- Schwinger–Dyson equation -- Schwinger function -- Schwinger model -- Schwinger parametrization -- Schwinger's quantum action principle --

Science and Hypothesis -- Science and inventions of Leonardo da Vinci -- Science, Technology, Engineering and Mathematics Network -- Science, technology, engineering, and mathematics -- Scientific calculator -- Scientific myth -- Scientific notation -- Scientific WorkPlace -- Scope (logic) -- Scopus -- Score (statistics) -- Score test -- Scorer's function -- Scoring algorithm -- Scoring rule -- SCORUS -- Scorza variety -- Scott continuity -- Scott core theorem -- Scott–Curry theorem -- Scott domain -- Scott information system -- Scott–Potter set theory -- Scott's trick -- Scottish Book -- Scottish Café -- Screened Poisson equation -- Screw axis -- Scripta Mathematica -- Scruton number --

Sculpted prim -- Scutoid -- Search algorithm -- Search-based software engineering -- Seashell surface -- Secant -- Secant line -- Secant method -- Secant plane -- Secant variety -- Second-countable space -- Second covariant derivative -- Second derivative -- Second dimension -- Second fundamental form -- Second-generation wavelet transform -- Second Hardy–Littlewood conjecture -- Second Johnson bound -- Second moment method -- Second moment of area -- Second neighborhood problem -- Second-order arithmetic -- Second order cellular automaton -- Second-order co-occurrence pointwise mutual information -- Second-order cone programming -- Second-order logic -- Second-order predicate -- Second-order propositional logic -- Second partial derivative test -- Secondary calculus and cohomological physics -- Secondary cohomology operation -- Secondary electrospray ionization -- Secondary measure -- Secondary polynomials -- Secondary School Mathematics Curriculum Improvement Study -- Secondary vector bundle structure -- Secretary problem -- Section (category theory) -- Section (disambiguation) -- Section (fiber bundle) -- Section conjecture -- Section formula -- Section modulus -- Sectional curvature -- Sector (instrument) -- Sectrix of Maclaurin -- Secular variation -- Security level --

Sedenion -- Sedleian Professor of Natural Philosophy -- Sedrakyan's inequality -- Seega (game) -- Seemingly unrelated regressions -- Seesaw theorem -- Segal–Bargmann space -- Segal category -- Segal space -- Segal's conjecture -- Segmented regression -- Segre class -- Segre classification -- Segre cubic -- Segre embedding -- Segre surface -- Segre's theorem -- Seiberg duality -- Seiberg–Witten invariants -- Seidel adjacency matrix -- Seidel triangle -- Seidel's algorithm -- Seifert conjecture -- Seifert fiber space -- Seifert surface -- Seifert–Van Kampen theorem -- Seifert–Weber space -- Seiffert's spiral -- Seismic tomography -- Selberg class -- Selberg integral -- Selberg sieve -- Selberg trace formula -- Selberg zeta function -- Selberg's 1/4 conjecture -- Selberg's identity -- Selberg's zeta function conjecture -- Selection bias -- Selection error -- Selection principle -- Selective recruitment -- Selenographic coordinate system -- Self-adjoint -- Self-adjoint operator -- Self-avoiding walk -- Self-complementary graph -- Self-concordant function -- Self-consistent mean field (biology) -- Self-descriptive number -- Self-dissimilarity -- Self-dual polyhedron -- Self-Indication Assumption Doomsday argument rebuttal -- Self-information -- Self-linking number -- Self number -- Self-organized criticality -- Self-organized criticality control -- Self-oscillation -- Self-referential function -- Self-selection bias -- Self-similar process -- Self-similar solution -- Self-similarity -- Self-sustainability -- Self-verifying theories -- Selfridge's conjecture -- Sellmeier equation -- Selmer group --

Semantic mapping (statistics) -- Semantic similarity -- Semantic theory of truth -- Semantics of logic -- Semi-abelian category -- Semi-continuity -- Semi-differentiability -- Semi-elliptic operator -- Semi-Hilbert space -- Semi-implicit Euler method -- Semi-infinite -- Semi-infinite programming -- Semi-inner-product -- Semi-invariant of a quiver -- Semi-local ring -- Semi-locally simply connected -- Semi-log plot -- Semi-major and semi-minor axes -- Semi-Markov process -- Semi-membership -- Semi-orthogonal matrix -- Semi-reflexive space -- Semi-s-cobordism -- Semi-simplicity -- Semi-symmetric graph -- Semi-Yao graph -- Semialgebraic set -- Semialgebraic space -- Semiautomaton -- Semicircle -- Semicomputable function -- Semicubical parabola -- Semidefinite embedding -- Semidefinite programming -- Semidiameter -- Semidirect product -- Semifield -- Semigroup -- Semigroup action -- Semigroup Forum -- Semigroup with involution -- Semigroup with three elements -- Semigroup with two elements -- Semigroupoid -- Semilattice -- Semilinear map -- Semilinear set -- Semilog graph -- Semimartingale -- Semimodular lattice -- Semimodule -- Séminaire de Géométrie Algébrique du Bois Marie -- Séminaire Lotharingien de Combinatoire -- Séminaire Nicolas Bourbaki -- Séminaire Nicolas Bourbaki (1950–1959) -- Séminaire Nicolas Bourbaki (1960–1969) -- Seminar for Applied Mathematics -- Seminorm -- Seminormal ring -- Seminormal subgroup -- Semiorder -- Semiorthogonal decomposition -- Semiparametric model -- Semiparametric regression -- Semiperfect magic cube -- Semiperfect number -- Semiperimeter -- Semipermutable subgroup -- Semiprime -- Semiprime ring -- Semiprimitive ring -- Semiregular polyhedron -- Semiregular polytope -- Semiregular space -- Semiring -- Semiset -- Semisimple -- Semisimple algebra -- Semisimple Lie algebra -- Semisimple module -- Semisimple operator -- Semisimple representation -- Semistable abelian variety -- Semistable reduction theorem -- Semitopological group --

Senary -- Sendov's conjecture -- Seneca effect -- Senior Mathematical Challenge -- Senior Whitehead Prize -- Senior Wrangler -- Sensitivity analysis -- Sensitivity and specificity -- Sensitivity index -- Sentence (mathematical logic) -- Sentence logic -- Separability -- Separability (disambiguation) -- Separable algebra -- Separable extension -- Separable partial differential equation -- Separable permutation -- Separable polynomial -- Separable space -- Separated sets -- Separating set -- Separation (statistics) -- Separation axiom -- Separation logic -- Separation of variables -- Separation oracle -- Separation principle -- Separation principle in stochastic control -- Separation relation -- Separation test -- Separatrix (mathematics) -- Separoid -- Septic equation --

Sequence -- Sequence (medicine) -- Sequence analysis in social sciences -- Sequence covering map -- Sequence graph -- Sequence space -- Sequence transformation -- SequenceL -- Sequences (book) -- Sequent -- Sequent calculus -- Sequential analysis -- Sequential closure operator -- Sequential composition -- Sequential decision making -- Sequential dynamical system -- Sequential estimation -- Sequential linear-quadratic programming -- Sequential logic -- Sequential minimal optimization -- Sequential probability ratio test -- Sequential quadratic programming -- Sequential space -- Sequentially compact space -- Sequentially complete -- Serial dependence -- Serial module -- Serial relation -- Serial subgroup -- Seriation (statistics) -- Series (mathematics) -- Series acceleration -- Series expansion -- Series multisection -- Series–parallel graph -- Series-parallel partial order -- Serpentine curve -- Serpentine shape -- Serre conjecture -- Serre conjecture (disambiguation) -- Serre duality -- Serre group -- Serre spectral sequence -- Serre–Swan theorem -- Serre–Tate theorem -- Serre's conjecture II (algebra) -- Serre's criterion for normality -- Serre's inequality on height -- Serre's modularity conjecture -- Serre's multiplicity conjectures -- Serre's property FA -- Serre's theorem on a semisimple Lie algebra -- Serre's theorem on affineness --

Seshadri constant -- Seshat (project) -- SESI Mathematics -- Sesquilinear form -- Sesquipower -- Set (computer science) -- Set (mathematics) -- Set-builder notation -- Set constraint -- Set cover problem -- Set function -- Set intersection oracle -- Set inversion -- Set of uniqueness -- Set packing -- Set partitioning in hierarchical trees -- Set-theoretic definition of natural numbers -- Set-theoretic limit -- Set theoretic programming -- Set-theoretic topology -- Set theory -- Set theory (music) -- Set theory of the real line -- Set Theory: An Introduction to Independence Proofs -- Set TSP problem -- SETAR (model) -- Sethi model -- Sethi–Ullman algorithm -- Setoid -- Seven Bridges of Königsberg -- Seven circles theorem -- Seven-dimensional cross product -- Seven-dimensional space -- Seven-number summary -- Seven states of randomness -- Seventeen or Bust -- Seventh dimension -- Seventh order KdV equation -- Seventh-order Korteweg–De Vries equation -- Seventh power -- Severi–Brauer variety -- Severi variety -- Severi variety (Hilbert scheme) --

Sexagesimal -- Sextic equation -- Sexy prime -- Shackle code -- Shadow price -- Shadow square -- Shadowing lemma -- Shafarevich conjecture -- Shafarevich theorem -- Shafarevich–Weil theorem -- Shafarevich's theorem on solvable Galois groups -- Shah Mosque (Isfahan) -- Shallow water equations -- Shamir congruence -- Shams al-Dīn al-Samarqandī -- Shanks transformation -- Shanks's square forms factorization -- Shannon capacity of a graph -- Shannon–Hartley theorem -- Shannon index -- Shannon multigraph -- Shannon number -- Shannon switching game -- Shannon wavelet -- Shannon–Weaver model -- Shannon's source coding theorem -- Shape -- Shape analysis (digital geometry) -- Shape analysis (disambiguation) -- Shape factor (image analysis and microscopy) -- Shape moiré -- Shape of a probability distribution -- Shape of the universe -- Shape optimization -- Shape parameter -- Shape theory (mathematics) -- Shapiro–Francia test -- Shapiro inequality -- Shapiro polynomials -- Shapiro–Wilk test -- Shapiro's lemma -- Shapley–Folkman lemma -- Sharafutdinov's retraction -- Sharkovskii's theorem -- Sharp map -- Sharp-SAT -- Shattered set -- Shaw Prize -- SHAZAM (software) --

Shchelkin spiral -- Sheaf (mathematics) -- Sheaf cohomology -- Sheaf of algebras -- Sheaf of logarithmic differential forms -- Sheaf of modules -- Sheaf of planes -- Sheaf of spectra -- Sheaf on an algebraic stack -- Shear mapping -- Shear matrix -- Shearer's inequality -- Shearlet -- SHEEP (symbolic computation system) -- Sheffer sequence -- Sheffer stroke -- Shekel function -- Shelah cardinal -- Shell integration -- Shell theorem -- Shelling (topology) -- Shephard Prize -- Shephard's lemma -- Shephard's problem -- Sherman–Morrison formula -- Sherman–Takeda theorem -- Shewhart Medal -- Shields formula -- Shift graph -- Shift matrix -- Shift operator -- Shift rule -- Shift space -- Shift theorem -- Shifted Gompertz distribution -- Shifted log-logistic distribution -- Shifting nth root algorithm -- Shilov boundary -- Shimizu L-function -- Shimura correspondence -- Shimura subgroup -- Shimura variety -- Shimura's reciprocity law -- Shintani zeta function -- Shintani's unit theorem -- Shioda modular surface --

Shock-capturing method -- Shoelace formula -- Shooting method -- Shor's algorithm -- Short division -- Short five lemma -- Short integer solution problem -- Short-time Fourier transform -- Shortcut model -- Shortest common supersequence problem -- Shortest Path Faster Algorithm -- Shortest-path graph -- Shortest path problem -- Shortest-path tree -- Shortlex order -- Shot noise -- Shrewd cardinal -- Shriek map -- Shrikhande graph -- Shrinkage (statistics) -- Shrinkage estimator -- Shrinking space -- Shuffle algebra -- Shuffle-exchange network -- Shuffled frog leaping algorithm -- Shuffling -- Shulba Sutras -- Shusaku number -- SIAM Fellow -- SIAM Journal on Applied Mathematics -- SIAM Journal on Discrete Mathematics -- SIAM Journal on Matrix Analysis and Applications -- SIAM Journal on Numerical Analysis -- Siamese method --

Siberian Mathematical Journal -- SIC-POVM -- Sicherman dice -- Šidák correction -- Šidák correction for t-test -- Siddhānta Shiromani -- Side-approximation theorem -- Side-side-side -- Sides of an equation -- Sidi's generalized secant method -- Sidon sequence -- Sidorenko's conjecture -- Siegel disc -- Siegel domain -- Siegel Eisenstein series -- Siegel G-function -- Siegel identity -- Siegel modular form -- Siegel modular variety -- Siegel operator -- Siegel parabolic subgroup -- Siegel theta series -- Siegel–Tukey test -- Siegel upper half-space -- Siegel–Walfisz theorem -- Siegel–Weil formula -- Siegel zero -- Siegel's lemma -- Siegel's paradox -- Siegel's theorem on integral points -- Sierpiński carpet -- Sierpiński curve -- Sierpiński number -- Sierpiński set -- Sierpiński space -- Sierpiński triangle -- Sierpiński's constant -- Sieve (category theory) -- Sieve estimator -- Sieve of Atkin -- Sieve of Eratosthenes -- Sieve of Pritchard -- Sieve of Sundaram -- Sieve theory -- Sieved Jacobi polynomials -- Sieved orthogonal polynomials -- Sieved Pollaczek polynomials -- Sieved ultraspherical polynomials -- Sievert integral --

Sigma-additive set function -- Sigma approximation -- Sigma function -- Sigma function (disambiguation) -- Sigma-ideal -- Sigma-martingale -- Sigma-ring -- Sigmoid function -- Sign (mathematics) -- Sign convention -- Sign function -- Sign relational complex -- Sign test -- Sign-value notation -- Signal-flow graph -- Signal magnitude area -- Signal-to-noise statistic -- Signalizer functor -- Signature (logic) -- Signature (topology) -- Signature cocycle -- Signature defect -- Signature matrix -- Signature of a knot -- Signature operator -- Signed-digit representation -- Signed distance function -- Signed graph -- Signed measure -- Signed number representations -- Signed set -- Signed zero -- Significance (magazine) -- Significance arithmetic -- Significand -- Significant figures -- Significant Figures (book) -- Signomial -- Signorini problem -- SigSpec --

Silver machine -- Silver ratio -- Silver's dichotomy -- Silverman–Toeplitz theorem -- Silverman's game -- Sim (pencil game) -- Simalto -- SiMERR -- Similarity (geometry) -- Similarity-based-TOPSIS -- Similarity invariance -- Similarity measure -- Similarity system of triangles -- Simion Stoilow Prize -- Simon problems -- Simon Stevin (journal) -- Simons Center for Geometry and Physics -- Simons' formula -- Simple (abstract algebra) -- Simple algebra (universal algebra) -- Simple extension -- Simple function -- Simple group -- Simple harmonic motion -- Simple-homotopy equivalence -- Simple homotopy theory -- Simple Lie algebra -- Simple Lie group -- Simple linear regression -- Simple magic cube -- Simple matching coefficient -- Simple module -- Simple moving average crossover -- Simple point process -- Simple polygon -- Simple polytope -- Simple random sample -- Simple rational approximation -- Simple ring -- Simple set -- Simple space -- Simple theorems in the algebra of sets -- Simplectic honeycomb -- Simplex -- Simplex algorithm -- Simplex category -- Simplex graph -- Simplicial approximation theorem -- Simplicial category -- Simplicial category (disambiguation) -- Simplicial commutative ring -- Simplicial complex -- Simplicial depth -- Simplicial group -- Simplicial homology -- Simplicial homotopy -- Simplicial Lie algebra -- Simplicial link -- Simplicial localization -- Simplicial manifold -- Simplicial map -- Simplicial polytope -- Simplicial presheaf -- Simplicial set -- Simplicial space -- Simplicial sphere -- Simplicial volume -- Simplicially enriched category -- Simplification -- Simplification (logic) -- Simplification of disjunctive antecedents -- Simply connected at infinity -- Simply connected space -- Simply typed lambda calculus -- Simpson index -- Simpson's paradox -- Simpson's rule -- Sims conjecture -- Simson -- Simson line -- Simulated annealing -- Simulation-based optimization -- Simulation governance -- Simulation preorder -- Simulink -- Simultaneous algebraic reconstruction technique -- Simultaneous embedding -- Simultaneous equations model -- Simultaneous localization and mapping -- Simultaneous perturbation stochastic approximation -- Simultaneous uniformization theorem --

Sinai–Ruelle–Bowen measure -- Sinc function -- Sinc numerical methods -- Sine -- Sine and cosine transforms -- Sine-Gordon equation -- Sine wave -- Singapore math -- Singapore Mathematical Olympiad -- Single-entry single-exit -- Single linkage clustering -- Single-machine scheduling -- Single-particle trajectory -- Single-shot multi-contrast X-ray imaging -- Singleton (mathematics) -- Singleton bound -- Singly and doubly even -- Singmaster's conjecture -- Singular boundary method -- Singular cardinals hypothesis -- Singular control -- Singular distribution -- Singular function -- Singular homology -- Singular integral -- Singular integral operators of convolution type -- Singular integral operators on closed curves -- Singular measure -- Singular perturbation -- Singular point of a curve -- Singular point of an algebraic variety -- Singular solution -- Singular submodule -- Singular trace -- Singular value -- Singular value decomposition -- Singularity (mathematics) -- Singularity (system theory) -- Singularity function -- Singularity spectrum -- Singularity theory -- Sinh-Gordon -- Sinhala numerals -- Sinhc function -- Sinkhorn's theorem -- Sinkov statistic -- Sinuosity -- Sinusoidal model -- Sinusoidal spiral --

Sion's minimax theorem -- Sipser–Lautemann theorem -- SIPTA -- Sir Cumference -- Sir Edmund Whittaker Memorial Prize -- Siraj al-Din al-Sajawandi -- Sissa (mythical brahmin) -- Sister Celine's polynomials -- Situation calculus -- Siu's semicontinuity theorem -- Six circles theorem -- Six-dimensional space -- Six exponentials theorem -- Six nines in pi -- Six operations -- Sixth dimension -- Sixth power -- Sixth Term Examination Paper -- Size (graph theory) -- Size (statistics) -- Size function -- Size functor -- Size homotopy group -- Size theory -- SK-42 reference system -- Skein relation -- Skeleton (category theory) -- Skellam distribution -- Sketch (mathematics) -- Skew (disambiguation) -- Skew and direct sums of permutations -- Skew apeirohedron -- Skew binary number system -- Skew binomial heap -- Skew coordinates -- Skew gradient -- Skew-Hamiltonian matrix -- Skew-Hermitian matrix -- Skew lattice -- Skew lines -- Skew normal distribution -- Skew partition -- Skew polygon -- Skew-symmetric graph -- Skew-symmetric matrix -- Skewed generalized t distribution -- Skewes's number -- Skewness -- Skewness risk --

SKI combinator calculus -- Skinny triangle -- Skip counting -- Skip graph -- Sklar's theorem -- Sklyanin algebra -- Skoda–El Mir theorem -- Skolem arithmetic -- Skolem–Mahler–Lech theorem -- Skolem–Noether theorem -- Skolem normal form -- Skolem problem -- Skolem's paradox -- Skorokhod integral -- Skorokhod problem -- Skorokhod's embedding theorem -- Skorokhod's representation theorem -- Skyline matrix -- SL (complexity) -- Sl2-triple -- SL2(R) -- Slab (geometry) -- Slack variable -- Slam-dunk -- Slant height -- Slash distribution -- Slashed zero -- Slater determinant -- Slater's condition -- SLD resolution --

Sleeping Beauty problem -- Slender group -- SLEPc -- Slepian's lemma -- Slerp -- Śleszyński–Pringsheim theorem -- Slewing -- Slice genus -- Slice knot -- Slice sampling -- Slice theorem (differential geometry) -- Sliced inverse regression -- Slicing the Truth -- Slide rule -- Slide rule scale -- Sliding DFT -- Sliding mode control -- Slim lattice -- Sliver polygon -- Sloan Research Fellowship -- Slonimski's Theorem -- Slope -- Slope field -- Slope number -- Slothouber–Graatsma puzzle -- Slovene numerals -- Slow-growing hierarchy -- Slow manifold -- Slowly varying envelope approximation -- Slowly varying function --

Slutsky's theorem -- SMA* -- Smale conjecture -- Smale's problems -- Small-angle approximation -- Small area estimation -- Small boundary property -- Small cancellation theory -- Small complex icosidodecahedron -- Small complex rhombicosidodecahedron -- Small control property -- Small cubicuboctahedron -- Small ditrigonal dodecacronic hexecontahedron -- Small ditrigonal dodecicosidodecahedron -- Small ditrigonal icosidodecahedron -- Small dodecahemicosacron -- Small dodecahemicosahedron -- Small dodecahemidodecacron -- Small dodecahemidodecahedron -- Small dodecicosacron -- Small dodecicosahedron -- Small dodecicosidodecahedron -- Small hexacronic icositetrahedron -- Small hexagonal hexecontahedron -- Small hexagrammic hexecontahedron -- Small icosacronic hexecontahedron -- Small icosicosidodecahedron -- Small icosihemidodecacron -- Small icosihemidodecahedron -- Small Latin squares and quasigroups -- Small retrosnub icosicosidodecahedron -- Small rhombidodecacron -- Small rhombidodecahedron -- Small rhombihexacron -- Small rhombihexahedron -- Small set -- Small set (category theory) -- Small set (disambiguation) -- Small snub icosicosidodecahedron -- Small stellapentakis dodecahedron -- Small stellated 120-cell -- Small stellated 120-cell honeycomb -- Small stellated dodecahedron -- Small stellated truncated dodecahedron -- Small subgroup confinement attack -- Small triambic icosahedron -- Small Veblen ordinal -- Small-world network -- Small world routing -- Smallest-circle problem -- Smallest grammar problem -- Smarandache–Wellin number -- Smart number -- Smash product -- SMAWK algorithm --

Smearing retransformation -- Smith conjecture -- Smith graph -- Smith–Minkowski–Siegel mass formula -- Smith normal form -- Smith number -- Smith space -- Smith–Volterra–Cantor set -- Smith–Waterman algorithm -- Smith's Prize -- Smn theorem -- Smoluchowski coagulation equation -- Smooth algebra -- Smooth approximation -- Smooth coarea formula -- Smooth completion -- Smooth functor -- Smooth infinitesimal analysis -- Smooth maximum -- Smooth morphism -- Smooth number -- Smooth projective plane -- Smooth scheme -- Smooth structure -- Smooth topology -- Smooth vector -- Smooth vector (disambiguation) -- Smoothed analysis -- Smoothed finite element method -- Smoothed octagon -- Smoothed-particle hydrodynamics -- Smoothing -- Smoothing spline -- Smoothness -- Smoothness (probability theory) --

Snaith's theorem -- Snake-in-the-box -- Snake lemma -- Snakes and ladders -- SnapPea -- Snark (graph theory) -- SNARK theorem prover -- Snedecor Award -- Snell envelope -- Snellius–Pothenot problem -- Snow plow routing problem -- Snowball sampling -- SNP (complexity) -- Snub (geometry) -- Snub 24-cell -- Snub 24-cell honeycomb -- Snub cube -- Snub cubic prism -- Snub disphenoid -- Snub dodecadodecahedron -- Snub dodecahedral prism -- Snub dodecahedron -- Snub heptaheptagonal tiling -- Snub icosidodecadodecahedron -- Snub order-6 square tiling -- Snub order-8 triangular tiling -- Snub pentapentagonal tiling -- Snub polyhedron -- Snub rhombicuboctahedron -- Snub square antiprism -- Snub square tiling -- Snub triapeirotrigonal tiling -- Snub triheptagonal tiling -- Snub trihexagonal tiling --

SO(5) -- SO(8) -- Soap bubble -- Soap film -- Sobel test -- Sober space -- Sobol sequence -- Sobolev conjugate -- Sobolev inequality -- Sobolev mapping -- Sobolev space -- Sobolev spaces for planar domains -- Soboleva modified hyperbolic tangent -- Sociable number -- Social choice theory -- Social complexity -- Social golfer problem -- Social network change detection -- Social polling -- Social statistics -- Sociedade Brasileira de Matemática Aplicada e Computacional -- Société de Mathématiques Appliquées et Industrielles -- Société mathématique de France -- Society for Industrial and Applied Mathematics -- Society for Mathematical Biology -- Society for Mathematics and Computation in Music -- Society of Mathematicians, Physicists and Astronomers of Slovenia -- Sociology of quantification -- Socle (mathematics) -- Socolar tiling -- Socrates --

Soddy line -- Soddy's hexlet -- Sofic -- Sofic group -- Soft configuration model -- Soft independent modelling of class analogies -- Soft set -- Softmax function -- Software calculator -- Software for calculating π -- Soil moisture velocity equation -- Soil production function -- Sokhotski–Plemelj theorem -- Sol (format) -- Solder form -- Solenoid (mathematics) -- Solenoidal vector field -- Solèr's theorem -- Solid angle -- Solid geometry -- Solid harmonics -- Solid Klein bottle -- Solid modeling -- Solid of revolution -- Solid partition -- Solid set -- Solid sweep -- Solid torus -- Solinas prime -- Solitary wave -- Solitary wave (disambiguation) -- Soliton -- Soliton (optics) -- Soliton distribution -- Solomon's knot -- Solomonoff's theory of inductive inference -- Solovay–Kitaev theorem -- Solovay model -- Solovay–Strassen primality test -- Solution in radicals -- Solution of triangles -- Solution set -- Solvable -- Solvable (disambiguation) -- Solvable group -- Solvable Lie algebra -- Solved game -- Solving quadratic equations with continued fractions -- Solving the geodesic equations -- Solving the Riddle of Phyllotaxis -- Solvmanifold --

Soma cube -- Sombrero function -- Some Remarks on Logical Form -- Somer–Lucas pseudoprime -- Somers' D -- Sommerfeld effect -- Sommerfeld expansion -- Sommerfeld identity -- Sommerfeld radiation condition -- Somos sequence -- Somos' quadratic recurrence constant -- Sonic Visualiser -- Sonine formula -- Sonobe -- Sophie Germain prime -- Sophie Germain Prize -- Sophie Germain's theorem -- Sophomore's dream -- Sørensen–Dice coefficient -- Sorgenfrey plane -- Soroban -- SORT (journal) -- Sorting algorithm -- Sorting number -- Sortition -- SOS (game) -- SOS-convexity -- Souček space -- Soul theorem -- Soundness -- Source unfolding -- Sousselier graph -- South African Mathematical Society -- South East Asian Mathematics Competition -- Southern Africa Mathematical Sciences Association --

Space -- Space (mathematics) -- Space cardioid -- Space complexity -- Space diagonal -- Space-filling curve -- Space-filling model -- Space-filling polyhedron -- Space-filling tree -- Space form -- Space group -- Space hierarchy theorem -- Space mapping -- Space of directions -- Space partitioning -- Spaceland (novel) -- Spaces of test functions and distributions -- Spacetime algebra -- Spacetime diagram -- Spacetime symmetries -- Spacetime topology -- Spadikam -- Spaltenstein variety -- Span (category theory) -- Spanier–Whitehead duality -- Spanish Statistics and Operations Research Society -- Spanning tree -- Spark (mathematics) -- Sparse approximation -- Sparse binary polynomial hashing -- Sparse Fourier transform -- Sparse graph code -- Sparse grid -- Sparse language -- Sparse matrix -- Sparse matrix–vector multiplication -- Sparse PCA -- Sparse polynomial -- Sparse ruler -- Sparsely totient number -- Sparsity matroid -- Sparsity-of-effects principle -- Spatial analysis -- Spatial bifurcation -- Spatial database -- Spatial dependence -- Spatial descriptive statistics -- Spatial frequency -- Spatial network -- Spatial-numerical association of response codes -- Spatial Statistics -- Spatial–temporal reasoning -- Spatial variability --

Speakeasy (computational environment) -- Spearman–Brown prediction formula -- Spearman's rank correlation coefficient -- Specht module -- Specht's theorem -- Special abelian subgroup -- Special case -- Special cases of Apollonius' problem -- Special classes of semigroups -- Special conformal transformation -- Special functions -- Special group (algebraic group theory) -- Special group (finite group theory) -- Special Interest Group -- Special linear group -- Special linear Lie algebra -- Special number field sieve -- Special ordered set -- Special orthogonal Lie algebra -- Special right triangle -- Special unitary group -- Special values of L-functions -- Specialization (pre)order -- Species-area curve -- Species discovery curve -- Specker sequence -- Spectra (mathematical association) -- Spectrahedron -- Spectral abscissa -- Spectral asymmetry -- Spectral clustering -- Spectral component -- Spectral concentration problem -- Spectral correlation density -- Spectral density -- Spectral density estimation -- Spectral dimension -- Spectral element method -- Spectral expansion solution -- Spectral flux -- Spectral gap -- Spectral gap (disambiguation) -- Spectral geometry -- Spectral graph theory -- Spectral invariants -- Spectral layout -- Spectral leakage -- Spectral method -- Spectral network -- Spectral radius -- Spectral sequence -- Spectral set -- Spectral shape analysis -- Spectral signal-to-noise ratio -- Spectral space -- Spectral submanifold -- Spectral test -- Spectral theorem -- Spectral theory -- Spectral theory of compact operators -- Spectral theory of normal C*-algebras -- Spectral theory of ordinary differential equations -- Spectral triple -- Spectral width -- Spectrogram -- Spectrum (functional analysis) -- Spectrum (topology) -- Spectrum bias -- Spectrum continuation analysis -- Spectrum of a C*-algebra -- Spectrum of a matrix -- Spectrum of a ring -- Spectrum of a sentence -- Spectrum of a theory -- Spectrum of theistic probability -- Speculative reason -- Speed of light (cellular automaton) -- Speed prior -- Speedup theorem -- Spence's function -- Spencer cohomology -- Sperling's BestPlaces -- Sperner family -- Sperner property of a partially ordered set -- Sperner's lemma -- Sperner's theorem --

Sphaleron -- Sphenic number -- Sphenocorona -- Sphenomegacorona -- Sphere -- Sphere bundle -- Sphere–cylinder intersection -- Sphere eversion -- Sphere packing -- Sphere packing in a cube -- Sphere packing in a cylinder -- Sphere spectrum -- Sphere theorem -- Sphere theorem (3-manifolds) -- Sphere-world -- Sphereland -- Spherical 3-manifold -- Spherical angle -- Spherical basis -- Spherical Bernstein's problem -- Spherical cap -- Spherical category -- Spherical code -- Spherical conic -- Spherical contact distribution function -- Spherical coordinate system -- Spherical design -- Spherical function -- Spherical function (disambiguation) -- Spherical geometry -- Spherical harmonics -- Spherical image -- Spherical law of cosines -- Spherical lune -- Spherical mean -- Spherical measure -- Spherical model -- Spherical multipole moments -- Spherical pendulum -- Spherical polyhedron -- Spherical sector -- Spherical segment -- Spherical shell -- Spherical space form conjecture -- Spherical trigonometry -- Spherical variety -- Spherical wedge -- Spherically complete field -- Spherically symmetric spacetime -- Sphericity -- Sphericon -- Spherinder -- Spheroid -- Spheroidal wave equation -- Spheroidal wave function -- Sphinx tiling -- Sphuṭacandrāpti --

Spider diagram -- Spidron -- Spieker circle -- Spigot algorithm -- Spijker's lemma -- SPIKE algorithm -- Spike-and-slab regression -- Spike-triggered covariance -- Spiking neural network -- Spillover (experiment) -- Spin connection -- Spin geometry -- Spin glass -- Spin group -- Spin network -- Spin representation -- Spin–statistics theorem -- Spin structure -- Spin tensor -- Spin-weighted spherical harmonics -- Spin(7)-manifold -- Spinor -- Spinor bundle -- Spinor genus -- Spinor spherical harmonics -- Spinors in three dimensions -- Spiral -- Spiral (railway) -- Spiral galaxy -- Spiral of Theodorus -- Spiral optimization algorithm -- Spiral similarity -- Spirangle -- Spiric section -- Spirograph -- Spitalfields Mathematical Society -- Spitzer's formula --

Splicing rule -- Spline (mathematics) -- Spline interpolation -- Spline wavelet -- Split (graph theory) -- Split-biquaternion -- Split-complex number -- Split exact sequence -- Split graph -- Split interval -- Split Lie algebra -- Split link -- Split normal distribution -- Split octal -- Split-octonion -- Split-quaternion -- Split-radix FFT algorithm -- Split-step method -- Splittance -- Splitter (geometry) -- Splitting Cartan subalgebra -- Splitting circle method -- Splitting field -- Splitting lemma -- Splitting lemma (functions) -- Splitting of prime ideals in Galois extensions -- Splitting principle -- Splitting theorem -- Spontaneous symmetry breaking -- Spoof (game) -- Sporadic group -- Sports rating system -- Spouge's approximation --

SPQR tree -- Sprague–Grundy theorem -- Spray (mathematics) -- Spread (projective geometry) -- Spread (rational trigonometry) -- Spread of a matrix -- Spreading activation -- Spring (mathematics) -- Spring Research Conference -- Springer correspondence -- Springer resolution -- Sprouts (game) -- SPSS Modeler -- Spt function -- Spurious correlation of ratios -- Spurious relationship -- SQ-universal group -- SQLf -- Square -- Square (algebra) -- Square antiprism -- Square bifrustum -- Square class -- Square–cube law -- Square cupola -- Square degree -- Square-difference-free set -- Square-free element -- Square-free integer -- Square-free polynomial -- Square-free word -- Square gyrobicupola -- Square-integrable function -- Square knot (mathematics) -- Square lattice -- Square-lattice Ising model -- Square matrix -- Square number -- Square One Television -- Square orthobicupola -- Square packing in a square -- Square principle -- Square pyramid -- Square pyramidal number -- Square root -- Square root biased sampling -- Square root day -- Square root of 2 -- Square root of 3 -- Square root of 5 -- Square root of 6 -- Square root of 7 -- Square root of a 2 by 2 matrix -- Square root of a matrix -- Square tiling -- Square tiling honeycomb -- Square triangular number -- Square trisection -- Square wave -- Square wheel -- Squared deviations from the mean -- Squared ranks test -- Squared triangular number -- Squaregraph -- Squaring the circle -- Squaring the square -- Squeeze mapping -- Squeeze operator -- Squeeze theorem -- Squircle -- Squround --

SR1 formula -- Srinivasa Ramanujan Medal -- Sriramachakra -- Srivastava code -- SSCG(3) -- St-connectivity -- St. Petersburg Department of Steklov Mathematical Institute of the Russian Academy of Sciences -- St. Petersburg paradox -- Stability (algebraic geometry) -- Stability (disambiguation) -- Stability (probability) -- Stability criterion -- Stability group -- Stability of matter -- Stability of the Solar System -- Stability postulate -- Stability radius -- Stability spectrum -- Stability theory -- Stabilization hypothesis -- Stabilizer -- Stabilizer (disambiguation) -- Stabilizer code -- Stable ∞-category -- Stable count distribution -- Stable curve -- Stable distribution -- Stable group -- Stable homotopy theory -- Stable manifold -- Stable manifold theorem -- Stable map -- Stable marriage problem -- Stable matching polytope -- Stable model category -- Stable model semantics -- Stable module category -- Stable normal bundle -- Stable polynomial -- Stable principal bundle -- Stable process -- Stable range condition -- Stable roommates problem -- Stable set -- Stable set (disambiguation) -- Stable theory -- Stable vector bundle -- Stably finite ring -- Stably free module -- Stack (mathematics) -- Stacked polytope -- Stacks Project -- Stacky curve -- Stagnation point flow -- Stairstep interpolation -- Stalk (sheaf) -- Stallings theorem about ends of groups -- Stallings–Zeeman theorem -- Stampacchia Medal -- Stan (software) -- Stand and Deliver -- Standard algorithms -- Standard array -- Standard basis -- Standard Borel space -- Standard complex -- Standard conjectures on algebraic cycles -- Standard deviation -- Standard error -- Standard flag -- Standard form (disambiguation) -- Standard L-function -- Standard map -- Standard model (disambiguation) -- Standard-Model Extension -- Standard monomial theory -- Standard normal deviate -- Standard normal table -- Standard part function -- Standard probability space -- Standard score -- Standard translation -- Standardized coefficient -- Standardized mean of a contrast variable -- Standardized moment -- Standardized rate -- Stanford University Mathematics Camp -- Stanine -- Stanley decomposition -- Stanley–Reisner ring -- Stanley sequence -- Stanley symmetric function -- Stanley–Wilf conjecture -- Stanley's reciprocity theorem -- Star (game theory) -- Star (graph theory) -- Star coloring -- Star domain -- Star-free language -- Star height -- Star height problem -- Star-mesh transform -- STAR model -- Star number -- Star of David theorem -- Star polygon -- Star polyhedron -- Star product -- Star refinement -- Star-shaped polygon -- Star unfolding -- Stark conjectures -- Stark–Heegner theorem -- Starlike tree -- Starling equation -- Starmad -- Starred transform -- Stars and bars (combinatorics) -- Stata -- Statactivism -- State (functional analysis) -- State diagram -- State observer -- State space -- State space (controls) -- State space (physics) -- State-space representation -- State University of New York at Potsdam -- Static analysis -- Static spacetime -- Stationary distribution -- Stationary ergodic process -- Stationary increments -- Stationary phase -- Stationary phase approximation -- Stationary point -- Stationary process -- Stationary sequence -- Stationary set -- Stationary spacetime -- Stationary subspace analysis -- Stationary-wave integrated Fourier-transform spectrometry -- Stationary wavelet transform -- Statista -- Statistic -- Statistica (journal) -- Statistica Sinica -- Statistical Accounts of Scotland -- Statistical alchemy -- Statistical Applications in Genetics and Molecular Biology -- Statistical assembly -- Statistical Assessment Service -- Statistical associating fluid theory -- Statistical assumption -- Statistical benchmarking -- Statistical classification -- Statistical conclusion validity -- Statistical dispersion -- Statistical distance -- Statistical ensemble (mathematical physics) -- Statistical epidemiology -- Statistical field theory -- Statistical finance -- Statistical fluctuations -- Statistical geography -- Statistical graphics -- Statistical hypothesis testing -- Statistical inference -- Statistical interference -- Statistical literacy -- Statistical manifold -- Statistical mechanics -- Statistical Methods for Research Workers -- Statistical model -- Statistical model specification -- Statistical model validation -- Statistical Modelling -- Statistical parameter -- Statistical parametric mapping -- Statistical physics -- Statistical population -- Statistical power -- Statistical process control -- Statistical proof -- Statistical randomness -- Statistical regularity -- Statistical relational learning -- Statistical risk -- Statistical Science -- Statistical shape analysis -- Statistical signal processing -- Statistical significance -- Statistical Society of Canada -- Statistical stability -- Statistical syllogism -- Statistical theory -- Statistical unit -- Statistical weight -- Statistical Yearbook of Switzerland -- Statistician -- Statisticians' and engineers' cross-reference of statistical terms -- Statistics -- Statistics and Computing -- Statistics and Its Interface -- Statistics education -- Statistics in Biosciences -- Statistics in Medicine (journal) -- Statistics of the National Games of China -- Statistics Surveys --

Steady state -- STEAM fields -- Steane code -- Stechkin's lemma -- Steenrod algebra -- Steenrod homology -- Steenrod problem -- Steerable filter -- Stefan Bergman Prize -- Stefan problem -- Stefan's formula -- Steffen's polyhedron -- Steffensen's inequality -- Steffensen's method -- Stein discrepancy -- Stein factorization -- Stein manifold -- Stein–Strömberg theorem -- Stein's example -- Stein's lemma -- Stein's method -- Stein's unbiased risk estimate -- Steinberg formula -- Steinberg group -- Steinberg group (disambiguation) -- Steinberg group (K-theory) -- Steinberg representation -- Steinberg symbol -- Steiner chain -- Steiner conic -- Steiner ellipse -- Steiner inellipse -- Steiner–Lehmus theorem -- Steiner point -- Steiner point (computational geometry) -- Steiner point (triangle) -- Steiner system -- Steiner travelling salesman problem -- Steiner tree problem -- Steiner's calculus problem -- Steiner's conic problem -- Steiner's problem -- Steinerian -- Steinhaus–Johnson–Trotter algorithm -- Steinhaus longimeter -- Steinhaus–Moser notation -- Steinhaus theorem -- Steinitz exchange lemma -- Steinitz's theorem -- Steinmetz curve -- Steinmetz solid -- Steklov Institute of Mathematics -- Stella (software) -- Stella octangula number -- Stellated dodecahedron -- Stellated dodecahedron (disambiguation) -- Stellated octahedron -- Stellated rhombic dodecahedral honeycomb -- Stellated truncated hexahedron -- Stellation -- Stellation diagram -- STEM fields -- STEM pipeline -- Stemmatics -- Stemplot -- Stencil (numerical analysis) -- Stencil codes -- Stencil jumping -- Step detection -- Step function -- Step response -- Stephen Childress -- Stephens' constant -- Stepped reckoner -- Stepwise regression -- Steradian -- Sterbenz lemma -- Stereographic projection -- Stereohedron -- Steric 5-cubes -- Steric 6-cubes -- Steric 7-cubes -- Steric tesseractic honeycomb -- Stericantellated tesseractic honeycomb -- Stericantic tesseractic honeycomb -- Stericantitruncated 16-cell honeycomb -- Stericantitruncated tesseractic honeycomb -- Stericated 24-cell honeycomb -- Stericated 5-cubes -- Stericated 5-simplexes -- Stericated 6-cubes -- Stericated 6-orthoplexes -- Stericated 6-simplexes -- Stericated 7-cubes -- Stericated 7-orthoplexes -- Stericated 7-simplexes -- Stericated 8-simplexes -- Steriruncic tesseractic honeycomb -- Steriruncicantic tesseractic honeycomb -- Steriruncitruncated tesseractic honeycomb -- Steritruncated 16-cell honeycomb -- Steritruncated tesseractic honeycomb -- Sterling (program) -- Stern–Brocot tree -- Stern prime -- Stevedore knot (mathematics) -- Stewart–Walker lemma -- Stewart's theorem --

Stibitz code -- Stibitz–Gray code -- Stick number -- Stickelberger's theorem -- Stiefel manifold -- Stiefel–Whitney class -- Stieltjes constants -- Stieltjes matrix -- Stieltjes moment problem -- Stieltjes polynomials -- Stieltjes transformation -- Stieltjes–Wigert polynomials -- Stiff equation -- Stiffness matrix -- Stigler diet -- Stigler's law of eponymy -- Stimulus-response model -- Stinespring dilation theorem -- Stirling number -- Stirling numbers and exponential generating functions in symbolic combinatorics -- Stirling numbers of the first kind -- Stirling numbers of the second kind -- Stirling permutation -- Stirling polynomials -- Stirling transform -- Stirling's approximation -- Stochastic -- Stochastic approximation -- Stochastic block model -- Stochastic calculus -- Stochastic cellular automaton -- Stochastic chains with memory of variable length -- Stochastic computing -- Stochastic context-free grammar -- Stochastic control -- Stochastic differential equation -- Stochastic diffusion search -- Stochastic dominance -- Stochastic drift -- Stochastic dynamic programming -- Stochastic equicontinuity -- Stochastic Eulerian Lagrangian method -- Stochastic geometry -- Stochastic geometry models of wireless networks -- Stochastic gradient descent -- Stochastic gradient Langevin dynamics -- Stochastic grammar -- Stochastic Gronwall inequality -- Stochastic hill climbing -- Stochastic homogenization -- Stochastic investment model -- Stochastic matrix -- Stochastic modelling (insurance) -- Stochastic Models -- Stochastic multicriteria acceptability analysis -- Stochastic optimization -- Stochastic ordering -- Stochastic partial differential equation -- Stochastic portfolio theory -- Stochastic process -- Stochastic processes and boundary value problems -- Stochastic Processes and Their Applications -- Stochastic programming -- Stochastic quantization -- Stochastic resonance -- Stochastic simulation -- Stochastic thermodynamics -- Stochastic tunneling -- Stochastic universal sampling -- Stochastic variance reduction -- Stochastic volatility jump -- Stochastically stable equilibrium -- Stochastics and Dynamics -- Stock sampling -- Stoer–Wagner algorithm -- Stoic logic -- Stokes flow -- Stokes line -- Stokes operator -- Stokes phenomenon -- Stokes' paradox -- Stokes' theorem -- Stolarsky mean -- Stolz–Cesàro theorem -- Stone algebra -- Stone–Čech compactification -- Stone duality -- Stone functor -- Stone space -- Stone–von Neumann theorem -- Stone–Weierstrass theorem -- Stone's method -- Stone's representation theorem for Boolean algebras -- Stone's theorem -- Stone's theorem on one-parameter unitary groups -- Stoneham number -- Stopped process -- Stopping time -- Størmer number -- Størmer's theorem --

Str8ts -- Strachey method for magic squares -- Strähle construction -- Strahler number -- Straight and Crooked Thinking -- Straight-line program -- Straight skeleton -- Straightedge -- Straightening theorem for vector fields -- Strang splitting -- Strange nonchaotic attractor -- Strangulated graph -- Strassen algorithm -- Strassmann's theorem -- Strategic move -- Strategy-stealing argument -- Stratification (mathematics) -- Stratified Morse theory -- Stratified randomization -- Stratified sampling -- Stratified space -- Stratifold -- Stratonovich integral -- Stream function -- Stream thrust averaging -- Streamline diffusion -- Strejc method -- Strength (mathematical logic) -- Strength of a graph -- Stress (mechanics) -- Stress–energy–momentum pseudotensor -- Stress–energy tensor -- Stress majorization -- Stress-strain curve -- Stress wave communication -- Stretch factor -- Stretched exponential function -- Stretched grid method -- Stretching field -- Strichartz estimate -- Strict -- Strict 2-category -- Strict conditional -- Strict differentiability -- Strict function -- Strict initial object -- Strictly characteristic subgroup -- Strictly convex set -- Strictly convex space -- Strictly determined game -- Strictly non-palindromic number -- Strictly positive measure -- Strictly proper -- Strictly simple group -- Strictly singular operator -- Stride scheduling -- String (computer science) -- String art -- String diagram -- String graph -- String group -- String link -- String rewriting -- String theory -- String topology -- Strip algebra -- Strip packing problem -- Stripe (pattern) -- Strobogrammatic number -- Strömberg wavelet -- Strömgren integral -- Stromquist–Woodall theorem -- Strong and weak sampling -- Strong antichain -- Strong cardinal -- Strong coloring -- Strong connectivity augmentation -- Strong cosmic censorship hypothesis -- Strong dual space -- Strong duality -- Strong generating set -- Strong generative capacity -- Strong law of small numbers -- Strong measure zero set -- Strong monad -- Strong monomorphism -- Strong NP-completeness -- Strong operator topology -- Strong orientation -- Strong partition cardinal -- Strong perfect graph theorem -- Strong prime -- Strong prior -- Strong product of graphs -- Strong pseudoprime -- Strong RSA assumption -- Strong topology -- Strong topology (disambiguation) -- Stronger uncertainty relations -- Strongly chordal graph -- Strongly compact cardinal -- Strongly connected component -- Strongly embedded subgroup -- Strongly measurable function -- Strongly minimal theory -- Strongly monotone operator -- Strongly positive bilinear form -- Strongly regular graph -- Strongly unimodal -- Strophoid -- Structural analysis -- Structural break -- Structural break test -- Structural cohesion -- Structural complexity (applied mathematics) -- Structural complexity theory -- Structural equation modeling -- Structural Equation Modeling (journal) -- Structural equation modelling -- Structural Equations with Latent Variables -- Structural holes -- Structural induction -- Structural mechanics -- Structural proof theory -- Structural Ramsey theory -- Structural rigidity -- Structural rule -- Structural stability -- Structuralism (philosophy of mathematics) -- Structure (mathematical logic) -- Structure constants -- Structure tensor -- Structure theorem for finitely generated modules over a principal ideal domain -- Structure theorem for Gaussian measures -- Structured data analysis (statistics) -- Structured derivations -- Structured program theorem -- Structured sparsity regularization -- Struve function --

Stuck unknot -- Student's t-distribution -- Student's t-test -- Studentization -- Studentized range -- Studentized range distribution -- Studentized residual -- Studia Mathematica -- Studies in Applied Mathematics -- Stufe (algebra) -- Stunted projective space -- Sturm–Liouville theory -- Sturm–Picone comparison theorem -- Sturm separation theorem -- Sturm series -- Sturm's theorem -- Sturmian sequence -- Sturmian sequence (disambiguation) -- Sturmian word -- Stuttering equivalence -- Suanfa tongzong -- Suanpan -- Sub-Gaussian distribution -- Sub-group hiding -- Sub-probability measure -- Sub-Riemannian manifold -- Sub-Stonean space -- Subabnormal subgroup -- Subadditive set function -- Subadditivity -- Subalgebra -- Subanalytic set -- Subbase -- Subbundle -- Subcategory -- Subclass (set theory) -- Subcoloring -- Subcompact cardinal -- Subcontrary mean -- Subcountability -- Subderivative -- Subdirect product -- Subdirectly irreducible algebra -- Subdivision surface -- SUBEXP -- Subfactor -- Subfield of an algebra -- Subfunctor -- Subgradient method -- Subgraph isomorphism problem -- Subgroup -- Subgroup analysis -- Subgroup distortion -- Subgroup growth -- Subgroup method -- Subgroup series -- Subgroup test -- Subgroups of cyclic groups -- Subhamiltonian graph -- Subharmonic function -- Subindependence -- Subitizing -- Subjective expected utility -- Subjective logic -- Subjectivism -- Sublime number -- Sublinear function -- Submanifold -- Submersion (mathematics) -- Submodular set function -- Subnet (mathematics) -- Subnormal operator -- Subnormal subgroup -- Subobject -- Subobject classifier -- Subordination -- Subordinator (mathematics) -- Subpaving -- Subquotient -- Subrepresentation -- Subring -- Subsequence -- Subsequential limit -- Subset -- Subset sum problem -- Subshift of finite type -- Subspace -- Subspace (disambiguation) -- Subspace identification method -- Subspace theorem -- Subspace topology -- Substitution (algebra) -- Substitution (logic) -- Substitution matrix -- Substitution model -- Substitution–permutation network -- Substitution tiling -- Substructural logic -- Substructure -- Substructure (mathematics) -- Subsumption lattice -- Subtangent -- Subtended angle -- Subterminal object -- Subtle cardinal -- Subtract a square -- Subtraction -- Subtraction game --

Successive-approximation ADC -- Successive linear programming -- Successive over-relaxation -- Successive parabolic interpolation -- Successor cardinal -- Successor function -- Successor ordinal -- Sucker bet -- Sudan function -- Sudoku -- Sudoku graph -- Sufficient dimension reduction -- Sufficient similarity -- Sufficient statistic -- Suffrage Science award -- Sugeno integral -- Suita conjecture -- Suken -- Sullivan conjecture -- Sum coloring -- Sum-free sequence -- Sum-free set -- Sum of absolute differences -- Sum of absolute transformed differences -- Sum of angles of a triangle -- Sum of four cubes problem -- Sum of Logic -- Sum of normally distributed random variables -- Sum of radicals -- Sum of residues formula -- Sum of squares -- Sum of squares (disambiguation) -- Sum of squares function -- Sum-of-squares optimization -- Sum of two squares theorem -- Sum-product number -- Sum rule -- Sum rule (disambiguation) -- Sumario Compendioso -- Sumihiro's theorem -- Summa -- Summa de arithmetica -- Summability kernel -- Summary statistics -- Summation -- Summation by parts -- Summation equation -- Summation notation -- Summation notation (disambiguation) -- Summation of Grandi's series -- Summer Solstice (2003 film) -- Summertime Ball -- Sumner's conjecture -- Sums of powers -- Sums of three cubes -- Sumset --

Sun's curious identity -- Sundanese numerals -- Sunflower (mathematics) -- Sunflower conjecture -- Sunrise problem -- Sunzi Suanjing -- Super Crunchers -- Super-logarithm -- Super PI -- Super-Poincaré algebra -- Super-Poissonian distribution -- Super-Poulet number -- Super-prime -- Super-resolution optical fluctuation imaging -- Super vector space -- Super Virasoro algebra -- Superabundant number -- Superadditive set function -- Superadditivity -- Superalgebra -- Supercell (crystal) -- Supercombinator -- Supercommutative algebra -- Supercompact -- Supercompact (disambiguation) -- Supercompact cardinal -- Supercompact space -- Superconformal algebra -- Superconvergence -- Superegg -- Superelement -- Superellipse -- Superellipsoid -- Superelliptic curve -- Superfactorial -- Superformula -- Superfunction -- Supergeometry -- Supergolden ratio -- Supergroup (physics) -- Superintegrable Hamiltonian system -- Superior highly composite number -- Superiority and inferiority ranking method -- Superiorization -- Supermanifold -- Supermathematics -- Supermatrix -- Supermodular function -- Supermodule -- Supernatural number -- Superoperator -- Superoscillation -- Superparticular ratio -- Superpartient ratio -- Superperfect group -- Superperfect number -- Superpermutation -- Superposition calculus -- Superposition principle -- SuperPrime -- Superprocess -- Superquadrics -- Superreal number -- Superrigidity -- Supersingular elliptic curve -- Supersingular isogeny graph -- Supersingular K3 surface -- Supersingular prime -- Supersingular prime (algebraic number theory) -- Supersingular prime (disambiguation) -- Supersingular prime (moonshine theory) -- Supersingular variety -- Superslow process -- Supersolvable arrangement -- Supersolvable group -- Superspace -- Superstatistics -- Superstrong -- Superstrong approximation -- Superstrong cardinal -- Supersymmetric theory of stochastic dynamics -- Supersymmetric WKB approximation -- Supersymmetry algebra -- Supersymmetry algebras in 1 + 1 dimensions -- Supertoroid -- Supertrace -- Supertransitive class -- Supervisory control theory -- Supnick matrix -- Supplément aux tables d'intégrales définies -- Support (mathematics) -- Support (measure theory) -- Support function -- Support of a module -- Support vector machine -- Supporting functional -- Supporting hyperplane -- Supporting line -- Supporting measure -- Supposition theory -- Suppressor variable --

Surface -- Surface (mathematics) -- Surface (topology) -- Surface area -- Surface-area-to-volume ratio -- Surface bundle -- Surface bundle over the circle -- Surface gradient -- Surface integral -- Surface map -- Surface of class VII -- Surface of constant width -- Surface of general type -- Surface of revolution -- Surface subgroup conjecture -- Surface-to-surface intersection problem -- Surface triangulation -- Surface Water Simulation Modelling Programme -- Surgery exact sequence -- Surgery in ancient Rome -- Surgery obstruction -- Surgery structure set -- Surgery theory -- Surjective function -- Surjunctive group -- Surplus procedure -- Surreal number -- Surrogate data testing -- Surrogate model -- Survey Methodology -- Survey of Consumer Finances -- Survey sampling -- Survival analysis -- Survival function -- Survivorship bias -- Surya Siddhanta --

Susan Haack -- Suslin algebra -- Suslin cardinal -- Suslin homology -- Suslin operation -- Suslin representation -- Suslin tree -- Suslin's problem -- Suslin's theorem -- Suspect X -- Suspension (dynamical systems) -- Suspension (topology) -- Suspension of a ring -- Suurballe's algorithm -- Suzhou numerals -- Suzuki graph -- Suzuki group -- Suzuki group (disambiguation) -- Suzuki groups -- Suzuki sporadic group -- Švarc–Milnor lemma -- Swap regret -- Swarm intelligence -- Swastika curve -- Swedish Operations Research Association -- Sweedler's Hopf algebra -- Sweep line algorithm -- Swendsen–Wang algorithm -- Swift–Hohenberg equation -- Swirl function -- Swish function -- Swiss cheese (mathematics) -- Swiss Mathematical Society -- Switching circuit theory -- Switching Kalman filter -- Switching lemma --

Syllogism -- Sylow 2-subgroup -- Sylow subgroup -- Sylow theorems -- Sylver coinage -- Sylvester domain -- Sylvester equation -- Sylvester–Gallai configuration -- Sylvester–Gallai theorem -- Sylvester graph -- Sylvester matrix -- Sylvester matroid -- Sylvester Medal -- Sylvester's criterion -- Sylvester's determinant identity -- Sylvester's formula -- Sylvester's law of inertia -- Sylvester's sequence -- Sylvester's theorem -- Sylvester's theorem (disambiguation) -- Sylvester's triangle problem -- Symbol (mathematics) -- Symbol (number theory) -- Symbol of a differential operator -- Symbolab -- Symbolic Cholesky decomposition -- Symbolic data analysis -- Symbolic dynamics -- Symbolic integration -- Symbolic language (mathematics) -- Symbolic language (programming) -- Symbolic method -- Symbolic method (combinatorics) -- Symbolic-numeric computation -- Symbolic power of an ideal -- Symbolic regression -- Symbols for zero -- Symlet -- Symmedian -- Symmetric algebra -- Symmetric bilinear form -- Symmetric Boolean function -- Symmetric closure -- Symmetric cone -- Symmetric convolution -- Symmetric decreasing rearrangement -- Symmetric derivative -- Symmetric difference -- Symmetric function -- Symmetric graph -- Symmetric group -- Symmetric hypergraph theorem -- Symmetric inverse semigroup -- Symmetric matrix -- Symmetric mean absolute percentage error -- Symmetric monoidal category -- Symmetric operator -- Symmetric polynomial -- Symmetric power -- Symmetric probability distribution -- Symmetric product (topology) -- Symmetric product of an algebraic curve -- Symmetric relation -- Symmetric set -- Symmetric space -- Symmetric space (disambiguation) -- Symmetric spectrum -- Symmetric successive over-relaxation -- Symmetric tensor -- Symmetric Turing machine -- Symmetric variety -- Symmetrically continuous function -- Symmetrizable compact operator -- Symmetrization -- Symmetrization methods -- Symmetrohedron -- Symmetry -- Symmetry (biology) -- Symmetry (journal) -- Symmetry (physics) -- Symmetry breaking -- Symmetry-breaking constraints -- Symmetry group -- Symmetry in mathematics -- Symmetry in quantum mechanics -- Symmetry of second derivatives -- Symmetry-protected topological order -- Symmetry set -- Symplectic basis -- Symplectic category -- Symplectic cut -- Symplectic filling -- Symplectic frame bundle -- Symplectic geometry -- Symplectic group -- Symplectic integrator -- Symplectic Lie algebra -- Symplectic manifold -- Symplectic matrix -- Symplectic representation -- Symplectic space -- Symplectic spinor bundle -- Symplectic sum -- Symplectic vector field -- Symplectic vector space -- Symplectization -- Symplectomorphism -- Symposium on Computational Geometry --

Syncategorematic term -- Synchronization of chaos -- Synchronizing word -- Synchronous frame -- Synchrotron function -- Syndetic set -- Synergetics (Fuller) -- Synergy Sports Technology -- Synge's theorem -- Synopsis of Pure Mathematics -- Syntactic monoid -- Syntactic Structures -- Syntax (logic) -- Synthetic control method -- Synthetic differential geometry -- Synthetic division -- Synthetic geometry -- Synthetic measure -- Syntomic topology -- Syntractrix -- System equivalence -- System F -- System F-sub -- System identification -- System L -- System of bilinear equations -- System of differential equations -- System of equations -- System of imprimitivity -- System of linear equations -- System of parameters -- System of polynomial equations -- System on TPTP -- System size expansion -- System T -- System U -- Systematic code -- Systematic sampling -- Systems of Logic Based on Ordinals -- Systems theory -- Systoles of surfaces -- Systolic category -- Systolic freedom -- Systolic geometry --

SYZ conjecture -- Sz.-Nagy's dilation theorem -- Szász–Mirakjan–Kantorovich operator -- Szász–Mirakyan operator -- Szeged index -- Szegő kernel -- Szegő limit theorems -- Szegő polynomial -- Szekeres snark -- Szemerédi regularity lemma -- Szemerédi–Trotter theorem -- Szemerédi's theorem -- Szilassi polyhedron -- Szpilrajn extension theorem -- Szpiro's conjecture -- Szymanski's conjecture --


T-coloring -- T distribution -- T-duality -- T-group (mathematics) -- T-norm -- T-norm fuzzy logics -- T puzzle -- T-schema -- T-spline -- T-square (fractal) -- T-statistic -- T-structure -- T-symmetry -- T-table -- T-theory -- T(1) theorem -- T.C. Mits -- T1 process -- T1 space -- Table of bases -- Table of Clebsch–Gordan coefficients -- Table of congruences -- Table of costs of operations in elliptic curves -- Table of divisors -- Table of Gaussian integer factorizations -- Table of Lie groups -- Table of mathematical symbols by introduction date -- Table of Newtonian series -- Table of polyhedron dihedral angles -- Table of prime factors -- Table of simple cubic graphs -- Table of spherical harmonics -- Table of the largest known graphs of a given diameter and maximal degree -- Table of vertex-symmetric digraphs -- Tables d'intégrales définies -- Tabu search --

Tachytrope -- Tacnode -- TacTix -- Tadpole graph -- Taft Hopf algebra -- Taguchi methods -- Tail dependence -- Tait conjectures -- Tait's conjecture -- Taiwanese Journal of Mathematics -- Tajima's D -- Tak (function) -- Takagi existence theorem -- Takens' theorem -- Takeuti–Feferman–Buchholz ordinal -- Takeuti's conjecture -- Takiff algebra -- Talagrand's concentration inequality -- Talairach coordinates -- Taleb distribution -- Tall cardinal -- Tally counter -- Tally marks -- Tally stick -- Tallyman -- Tamagawa number -- Tamari lattice -- Tame abstract elementary class -- Tame group -- Tame manifold -- Tame topology -- Tameness theorem -- Tamil numerals -- Tammes problem -- Tampering (W. Edwards Deming) --

Tanaka equation -- Tanaka's formula -- Tanc function -- Tangent -- Tangent (disambiguation) -- Tangent bundle -- Tangent circles -- Tangent cone -- Tangent developable -- Tangent half-angle formula -- Tangent half-angle substitution -- Tangent indicatrix -- Tangent Lie group -- Tangent lines to circles -- Tangent measure -- Tangent space -- Tangent space to a functor -- Tangent vector -- Tangential and normal components -- Tangential angle -- Tangential polygon -- Tangential quadrilateral -- Tangential trapezoid -- Tangential triangle -- Tangle (mathematics) -- Tangloids -- Tango bundle -- Tangram -- Tangut numerals -- Tanh-sinh quadrature -- Tanhc function -- Taniyama group -- Tannaka–Krein duality -- Tannakian formalism -- Tanner graph -- Tannery's theorem -- Tantrasamgraha --

Tape diagram -- Tapering (mathematics) -- Tardos function -- Target function -- Targeted projection pursuit -- Tarjan's algorithm -- Tarjan's off-line lowest common ancestors algorithm -- Tarjan's strongly connected components algorithm -- Tarka-Sangraha -- Tarry point -- Tarski–Grothendieck set theory -- Tarski–Kuratowski algorithm -- Tarski Lectures -- Tarski monster group -- Tarski–Seidenberg theorem -- Tarski's axiomatization of the reals -- Tarski's axioms -- Tarski's circle-squaring problem -- Tarski's exponential function problem -- Tarski's high school algebra problem -- Tarski's plank problem -- Tarski's problem -- Tarski's theorem -- Tarski's theorem about choice -- Tarski's undefinability theorem -- Tarski's World -- Tate cohomology group -- Tate conjecture -- Tate curve -- Tate duality -- Tate group -- Tate module -- Tate pairing -- Tate–Shafarevich group -- Tate topology -- Tate twist -- Tate vector space -- Tate's algorithm -- Tate's isogeny theorem -- Tate's thesis -- Tattvachintamani --

Tau (2π) -- Tau conjecture -- Tau function (integrable systems) -- Tau-leaping -- Taubes's Gromov invariant -- Taut foliation -- Taut submanifold -- Tautness (topology) -- Tautochrone curve -- Tautological bundle -- Tautological one-form -- Tautological ring -- Tautology (logic) -- Tautology (rule of inference) -- Tav (number) -- Taxicab geometry -- Taxicab number -- Taylor diagram -- Taylor expansions for the moments of functions of random variables -- Taylor–Goldstein equation -- Taylor–Proudman theorem -- Taylor scraping flow -- Taylor series -- Taylor–von Neumann–Sedov blast wave -- Taylor's law -- Taylor's theorem -- TC (complexity) -- TC0 -- Team Umizoomi -- Techno-mathematics -- Technology tree -- Technometrics --

Ted Honderich -- Tee (symbol) -- Tegelspreuken -- Teichmüller character -- Teichmüller cocycle -- Teichmüller modular form -- Teichmüller space -- Teichmüller–Tukey lemma -- Teknomo–Fernandez algorithm -- Telegraph process -- Telegrapher's equations -- TELEMAC -- Telephone number (mathematics) -- Telescoping Markov chain -- Telescoping series -- Tellagraf -- Tellegen's theorem -- Temperature paradox -- Tempered representation -- Temperley–Lieb algebra -- Temporal finitism -- Temporal logic -- Temporal mean -- Ten Computational Canons -- Ten-of-diamonds decahedron -- Tendril perversion -- Tennenbaum's theorem -- Tennis (paper game) -- Tennis ball theorem -- Tensor -- Tensor (intrinsic definition) -- Tensor algebra -- Tensor bundle -- Tensor calculus -- Tensor contraction -- Tensor Contraction Engine -- Tensor decomposition -- Tensor density -- Tensor field -- Tensor-hom adjunction -- Tensor network -- Tensor operator -- Tensor product -- Tensor product bundle -- Tensor product of algebras -- Tensor product of fields -- Tensor product of graphs -- Tensor product of Hilbert spaces -- Tensor product of modules -- Tensor product of quadratic forms -- Tensor product of representations -- Tensor rank decomposition -- Tensor representation -- Tensor reshaping -- Tensor sketch -- Tensor software -- Tensors in curvilinear coordinates -- Tent map -- Tentaizu (puzzle) --

Teragon -- Term (logic) -- Term algebra -- Term graph -- Term logic -- Terminal digit preference -- Terminal singularity -- Termination proof -- Ternary commutator -- Ternary cubic -- Ternary equivalence relation -- Ternary Golay code -- Ternary numeral system -- Ternary operation -- Ternary quartic -- Ternary relation -- Ternary search -- Terrell rotation -- Tertiary ideal -- Tessellation -- Tesseract -- Tesseractic honeycomb -- Tesseractic honeycomb honeycomb -- Test functions for optimization -- Test ideal -- Test of Mathematics for University Admission -- Test-retest -- Test statistic -- Test validity -- Testimator -- Testing hypotheses suggested by the data -- TestU01 --

Tetracategory -- Tetracontadigon -- Tetracontagon -- Tetracontaoctagon -- Tetractys -- Tetrad (geometry puzzle) -- Tetrad formalism -- Tetradecagon -- Tetradecahedron -- Tetradic number -- Tetragonal disphenoid honeycomb -- Tetragonal trapezohedron -- Tetrahedral-cubic honeycomb -- Tetrahedral cupola -- Tetrahedral-dodecahedral honeycomb -- Tetrahedral-icosahedral honeycomb -- Tetrahedral number -- Tetrahedral-octahedral honeycomb -- Tetrahedral prism -- Tetrahedral-square tiling honeycomb -- Tetrahedral symmetry -- Tetrahedral-triangular tiling honeycomb -- Tetrahedrally diminished dodecahedron -- Tetrahedroid -- Tetrahedron -- Tetrahedron packing -- Tetrahemihexahedron -- Tetraheptagonal tiling -- Tetrakis cuboctahedron -- Tetrakis hexahedron -- Tetrakis square tiling -- Tetralemma -- Tetrapentagonal tiling -- Tetrated dodecahedron -- Tetration -- Tetraview -- Tetromino --

TeX -- Texas Math and Science Coaches Association -- Text figures -- TFNP -- Thabit number -- Thai numerals -- Thaine's theorem -- Thales's theorem -- The Aleph (short story) -- The Algebraic Eigenvalue Problem -- The American Mathematical Monthly -- The American Statistician -- The Analyst -- The Analyst, or, Mathematical Museum -- The Ancient Tradition of Geometric Problems -- The Annals of Applied Statistics -- The Annotated Turing -- The Apprenticeship of a Mathematician -- The Banach–Tarski Paradox (book) -- The Beauty of Fractals -- The Book of Squares -- The Bridges Organization -- The Butterfly Effect -- The Calculating Machines -- The Cambridge Quintet -- The Chemical Basis of Morphogenesis -- The Ciphers of the Monks -- The Classical Groups -- The Collapse of Chaos -- The College Mathematics Journal -- The Compendious Book on Calculation by Completion and Balancing -- The Complexity of Songs -- The Construction and Principal Uses of Mathematical Instruments -- The Crest of the Peacock -- The Cube Made Interesting -- The Cunningham project -- The Curious Incident of the Dog in the Night-Time -- The Design of Experiments -- The Doctrine of Chances -- The Dot and the Line -- The Dot and the Line (book) -- The Drunkard's Walk -- The Econometrics Journal -- The Economic Writings of Sir William Petty -- The Emperor's New Mind -- The End of Average -- The Equidistribution of Lattice Shapes of Rings of Integers of Cubic, Quartic, and Quintic Number Fields -- The Fibonacci Association -- The Fifty-Nine Icosahedra -- The First Moderns -- The Foundations of Arithmetic -- The Fourth Dimension (book) -- The Fractal Dimension of Architecture -- The Fractal Geometry of Nature -- The Game of Logic -- The Geography of Thought -- The Geometer's Sketchpad -- The geometry and topology of three-manifolds -- The Geometry of an Art -- The Geometry of Musical Rhythm -- The Geometry of Numbers -- The Geometry of the Octonions -- The Great Mathematical Problems -- The Ground of Arts -- The Hacker and the Ants -- The Higher Infinite -- The History of Mathematical Tables -- The Indispensability of Mathematics -- The Innovators (book) -- The Knot Atlas -- The Lady Tasting Tea -- The Lady's and Gentleman's Diary -- The Last Theorem -- The Laws of Thought -- The Library of Babel -- The Man Who Counted -- The Man Who Knew Infinity -- The Man Who Knew Infinity (book) -- The Man Who Loved Only Numbers -- The Manga Guides -- The Map of My Life -- The Martians (group) -- The Math Book -- The Mathematical Coloring Book -- The Mathematical Diary -- The Mathematical Experience -- The Mathematical Gazette -- The Mathematical Intelligencer -- The Mathematical Magpie -- The Mathematics Educator -- The Mathematics Enthusiast -- The Mathematics of Chip-Firing -- The Mathematics of Games and Gambling -- The Mathematics of Life -- The Method of Mechanical Theorems -- The monkey and the coconuts -- The Music of the Primes -- The New York Journal of Mathematics -- The Nine Chapters on the Mathematical Art -- The Number 23 -- The Number Devil -- The Numtums -- The Oxford Murders (film) -- The Oxford Murders (novel) -- The Parrot's Theorem -- The Penguin Dictionary of Curious and Interesting Numbers -- The Petersen Graph -- The Planiverse -- The Prime Radicals -- The Princeton Companion to Mathematics -- The Principles of Mathematics -- The Professor's Beloved Equation (film) -- The Pursuit of Perfect Packing -- The Quantum Rose -- The Quarterly Journal of Mechanics and Applied Mathematics -- The Quarterly Journal of Pure and Applied Mathematics -- The R Journal -- The Ramanujan Journal -- The Review of Economics and Statistics -- The Road to Reality -- The Road to Reality: A Complete Guide to the Laws of the Universe -- The Sand Reckoner -- The Schoolmaster's Assistant, Being a Compendium of Arithmetic Both Practical and Theoretical -- The Secrets of Triangles -- The Signal and the Noise -- The Simpsons and Their Mathematical Secrets -- The Singularity (film) -- The six symmetries of music -- The spider and the fly problem -- The Statistical Research Group of World War II -- The Story of 1 -- The Story of Maths -- The Strange Logic of Random Graphs -- The Swallow's Tail -- The Taming of Chance -- The Taylor Prize in Mathematics -- The Theoretical Minimum -- The Thrilling Adventures of Lovelace and Babbage -- The Tiger That Isn't -- The Tower of Hanoi – Myths and Maths -- The Turing Guide -- The Universal Book of Mathematics -- The Unreasonable Effectiveness of Mathematics in the Natural Sciences -- The Unscrambler -- The Value of Science -- The Whetstone of Witte -- The Wild Numbers -- The World of Maria Gaetana Agnesi, Mathematician of God -- The World of Null-A -- The Wright 3 -- The writing of Principia Mathematica -- Thébault's theorem -- Theil index -- Theil–Sen estimator -- Theodore von Kármán Prize -- Theodosius' Spherics -- Theophrastus -- Theorem -- Theorem of absolute purity -- Theorem of Bertini -- Theorem of the cube -- Theorem of the gnomon -- Theorem of the highest weight -- Theorem of the three geodesics -- Theorem of the unique homomorphic extension -- Theorem of transition -- Theorem on formal functions -- Theorem on friends and strangers -- Theorema Egregium -- Theoretical and experimental justification for the Schrödinger equation -- Theoretical computer science -- Theoretical physics -- Theories of iterated inductive definitions -- Theory -- Theory (mathematical logic) -- Theory of computation -- Theory of conjoint measurement -- Theory of equations -- Theory of forms -- Theory of fructification -- Theory of Games and Economic Behavior -- Theory of Lie groups -- Theory of Probability and Its Applications -- Theory of Probability and Mathematical Statistics -- Theory of pure equality -- Theory of regions -- Theory of sonics -- Theory of two-level planning -- Therefore sign -- Thermal history modelling -- Thermodynamic operation -- Thermodynamic potential -- Thermodynamic system -- Thermomagnetic convection -- Theta characteristic -- Theta constant -- Theta correspondence -- Theta divisor -- Theta function -- Theta function (disambiguation) -- Theta function of a lattice -- Theta graph -- Theta model -- Theta operator -- Theta representation -- Theta* --

Thick set -- Thickness (graph theory) -- Thiele's interpolation formula -- Thin-film equation -- Thin group -- Thin group (algebraic group theory) -- Thin group (combinatorial group theory) -- Thin group (finite group theory) -- Thin plate spline -- Thin set -- Thin set (analysis) -- Thin set (Serre) -- Think-a-Dot -- Third derivative -- Third fundamental form -- Thirring -- Thirring model -- Thom conjecture -- Thom–Mather stratified space -- Thom–Sebastiani Theorem -- Thom space -- Thom's first isotopy lemma -- Thom's second isotopy lemma -- Thomae's formula -- Thomae's function -- Thomas A. McCarthy -- Thomas A. Scott Professorship of Mathematics -- Thomas Bond Sprague Prize -- Thomas–Fermi equation -- Thomas Ranken Lyle Medal -- Thomas–Yau conjecture -- Thomas' cyclically symmetric attractor -- Thompson factorization -- Thompson group -- Thompson groups -- Thompson order formula -- Thompson sampling -- Thompson sporadic group -- Thompson subgroup -- Thompson transitivity theorem -- Thompson uniqueness theorem -- Thomsen graph -- Thomsen's theorem -- Thomson cubic -- Thomson problem -- Thomson's lamp -- Thousands of Problems for Theorem Provers --

Thrackle -- Thread angle -- Threat assessment -- Three-body problem -- Three-dimensional graph -- Three-dimensional rotation operator -- Three-dimensional space -- Three-gap theorem -- Three-leaved clover -- Three-part lesson -- Three-phase traffic theory -- Three-point estimation -- Three Prisoners problem -- Three spheres inequality -- Three subgroups lemma -- Three-twist knot -- Three utilities problem -- Three-wave equation -- Threshold graph -- Thue equation -- Thue–Morse sequence -- Thue number -- Thue's lemma -- Thue's theorem -- Thurston–Bennequin number -- Thurston boundary -- Thurston elliptization conjecture -- Thurston norm -- Tian yuan shu -- Tiberiu Popoviciu Institute of Numerical Analysis -- Tibetan numerals --

Tic-tac-toe -- Tidal tensor -- Tide-Predicting Machine No. 2 -- Tietze extension theorem -- Tietze transformations -- Tietze's graph -- TIFR Centre for Applicable Mathematics -- Tight closure -- Tight span -- Tightness of measures -- Tijdeman's theorem -- Tikhonov regularization -- Tikhonov's theorem (dynamical systems) -- Tilde -- Tile -- Tiling with rectangles -- Tilted large deviation principle -- Tilting theory -- Time complexity -- Time-dependent variational Monte Carlo -- Time dependent vector field -- Time derivative -- Time deviation -- Time domain -- Time evolution -- Time evolution of integrals -- Time–frequency analysis -- Time–frequency analysis for music signals -- Time–frequency representation -- Time hierarchy theorem -- Time-invariant system -- Time reversibility -- Time-scale calculus -- Time series -- Time-series segmentation -- Time-use survey -- Time value of money -- Time-variant system -- Time-varying phasor -- Timelike homotopy -- Timelike simply connected -- Timeline of abelian varieties -- Timeline of algebra -- Timeline of algorithms -- Timeline of ancient Greek mathematicians -- Timeline of bordism -- Timeline of calculus and mathematical analysis -- Timeline of category theory and related mathematics -- Timeline of class field theory -- Timeline of classical mechanics -- Timeline of computational mathematics -- Timeline of geometry -- Timeline of manifolds -- Timeline of mathematical innovation in South and West Asia -- Timeline of mathematical logic -- Timeline of mathematics -- Timeline of number theory -- Timeline of numerals and arithmetic -- Timeline of numerical analysis after 1945 -- Timeline of probability and statistics -- Timeline of women in mathematics --

Tinkerbell map -- Tiny and miny -- Tipping point -- Tire model -- Titchmarsh convolution theorem -- Titchmarsh theorem -- Tits alternative -- Tits group -- Tits metric -- To Mock a Mockingbird -- Toads and Frogs -- Tobit model -- Tobler's hiking function -- Toda bracket -- Toda field theory -- Toda lattice -- Toda oscillator -- Toda–Smith complex -- Toda's theorem -- Todd class -- Todd–Coxeter algorithm -- Todorov surface -- Toeplitz algebra -- Toeplitz matrix -- Toeplitz operator -- Togliatti surface -- Tohoku Mathematical Journal -- Toida's conjecture -- Token reconfiguration -- Tolerance graph -- Tolerance interval -- Tolerance relation -- Tolerant sequence --

Tomahawk (geometry) -- Tombstone (typography) -- Tomita–Takesaki theory -- Tomographic reconstruction -- Tompkins code I -- Tompkins code II -- Tompkins–Paige algorithm -- Tonelli–Hobson test -- Tonelli–Shanks algorithm -- Tonelli–Hobson test -- Tonelli's theorem -- Tonelli's theorem (functional analysis) -- Tonnetz -- Toom–Cook multiplication -- Toothpick sequence -- Top (algebra) -- Top trading cycle -- Topkis's theorem -- Topological abelian group -- Topological algebra -- Topological Boolean algebra -- Topological category -- Topological censorship -- Topological combinatorics -- Topological complexity -- Topological conjugacy -- Topological data analysis -- Topological defect -- Topological degree theory -- Topological derivative -- Topological divisor of zero -- Topological dynamics -- Topological entropy -- Topological fluid dynamics -- Topological Galois theory -- Topological game -- Topological geometry -- Topological graph -- Topological graph theory -- Topological group -- Topological half-exact functor -- Topological Hochschild homology -- Topological homomorphism -- Topological index -- Topological indistinguishability -- Topological K-theory -- Topological manifold -- Topological modular forms -- Topological module -- Topological monoid -- Topological pair -- Topological property -- Topological quantum computer -- Topological quantum field theory -- Topological quantum number -- Topological recursion -- Topological rigidity -- Topological ring -- Topological semigroup -- Topological sorting -- Topological space -- Topological string theory -- Topological tensor product -- Topological vector lattice -- Topological vector space -- Topologies on spaces of linear maps -- Topologist's sine curve -- Topology -- Topology (chemistry) -- Topology (journal) -- Topology and Its Applications -- Topology control -- Topology optimization -- Toponogov's theorem -- Toponome -- Toponomics -- Topos -- TOPSIS -- Topswops --

Tor functor -- Toral subalgebra -- Torelli theorem -- Toric manifold -- Toric section -- Toric stack -- Toric variety -- Tornado code -- Tornado diagram -- Toroid -- Toroidal and poloidal coordinates -- Toroidal coordinates -- Toroidal embedding -- Toroidal graph -- Toroidal polyhedron -- Toronto function -- Toronto space -- Torque -- Torricelli's equation -- Torsion -- Torsion (algebra) -- Torsion abelian group -- Torsion conjecture -- Torsion-free -- Torsion-free abelian group -- Torsion-free module -- Torsion group -- Torsion of a curve -- Torsion sheaf -- Torsion subgroup -- Torsion tensor -- Torsionless module -- Torsor (algebraic geometry) -- Tortuosity -- Torus -- Torus action -- Torus bundle -- Torus knot --

Total absolute curvature -- Total active reflection coefficient -- Total algebra -- Total angular momentum quantum number -- Total coloring -- Total coloring conjecture -- Total correlation -- Total curvature -- Total derivative -- Total dual integrality -- Total least squares -- Total operating characteristic -- Total order -- Total position spread -- Total relation -- Total ring of fractions -- Total set -- Total subset -- Total sum of squares -- Total survey error -- Total variation -- Total variation denoising -- Total variation diminishing -- Total variation distance of probability measures -- Totally bounded space -- Totally disconnected group -- Totally disconnected space -- Totally imaginary number field -- Totally inaccessible stopping time -- Totally positive matrix -- Totally real number field -- Totative -- Totient summatory function --

Touch (American TV series) -- Touchard polynomials -- Tournament (graph theory) -- Tournament of the Towns -- Tower of fields -- Tower of Hanoi -- Tower of objects -- Toy model -- Toy problem -- Toy theorem -- Trace (linear algebra) -- Trace class -- Trace diagram -- Trace distance -- Trace field of a representation -- Trace formula -- Trace identity -- Trace inequality -- Trace monoid -- Trace operator -- Traced monoidal category -- Trachtenberg system -- Track transition curve -- Tracking signal -- Tractable problem -- Tractatus Logico-Philosophicus -- Tractor bundle -- Tractrix -- Tracy-Singh product -- Tracy–Widom distribution -- Traditional mathematics -- Traffic congestion reconstruction with Kerner's three-phase theory -- Traffic equations -- Traffic flow -- Traffic model -- Trailing zero -- Train track (mathematics) -- Train track map -- Training, validation, and test data sets -- Trairūpya -- Traité de mécanique céleste -- Trajectory -- Trajectory (fluid mechanics) -- Trajectory optimization -- Trakhtenbrot's theorem -- Trammel of Archimedes -- Transaction logic -- Transactions of Mathematics and its Applications -- Transactions of the American Mathematical Society -- Transcendence degree -- Transcendental curve -- Transcendental equation -- Transcendental function -- Transcendental number -- Transcendental number theory -- Transcomputational problem -- Transcritical bifurcation -- Transdichotomous model -- Transfer (group theory) -- Transfer entropy -- Transfer function -- Transfer function matrix -- Transfer matrix -- Transfer-matrix method -- Transfer operator -- Transfer principle -- Transferable belief model -- Transfinite induction -- Transfinite interpolation -- Transfinite number -- Transform theory -- Transformation (function) -- Transformation between distributions in time–frequency analysis -- Transformation geometry -- Transformation matrix -- Transformation semigroup -- Transgression map -- Transhumanism -- Transit node routing -- Transition curve -- Transition function -- Transition kernel -- Transition path sampling -- Transition rate matrix -- Transition spiral -- Transitive closure -- Transitive dependency -- Transitive model -- Transitive reduction -- Transitive relation -- Transitive set -- Transitively normal subgroup -- Transitivity -- Translation (geometry) -- Translation functor -- Translation Movement -- Translation of axes -- Translation plane -- Translation surface -- Translation surface (differential geometry) -- Translational symmetry -- Transmission-line matrix method -- Transparent Intensional Logic -- Transport function -- Transport of structure -- Transport theorem -- Transportation theory -- Transportation theory (mathematics) -- Transposable integer -- Transpose -- Transpose graph -- Transpose of a linear map -- Transposition (logic) -- Transposition (mathematics) -- Transposition cipher -- Transpositions matrix -- Transseries -- Transvectant -- Transvection -- Transversal (combinatorics) -- Transversal (disambiguation) -- Transversal (geometry) -- Transversal plane -- Transversality -- Transversality (mathematics) -- Transversality condition -- Transversality theorem -- Transverse knot -- Transverse measure -- Transverse Mercator projection -- Transylvania lottery -- Trapdoor function -- Trapezium -- Trapezo-rhombic dodecahedron -- Trapezohedron -- Trapezoid -- Trapezoid graph -- Trapezoidal distribution -- Trapezoidal rule -- Trapezoidal rule (differential equations) -- Trapping region -- Traveler's dilemma -- Traveling plane wave -- Traveling tournament problem -- Travelling salesman problem --

Treatise on Analysis -- Tree (descriptive set theory) -- Tree (graph theory) -- Tree (set theory) -- Tree decomposition -- Tree-depth -- Tree diagram (probability theory) -- Tree-graded space -- Tree kernel -- Tree of primitive Pythagorean triples -- Tree rearrangement -- Tree rotation -- Tree spanner -- Tree traversal -- TREE(3) -- Treewidth -- Trefftz method -- Trefoil knot -- Treks into Intuitive Geometry -- Trellis (graph) -- Trémaux tree -- Trend analysis -- Trend estimation -- Trend surface analysis -- Trends in International Mathematics and Science Study -- Treviso Arithmetic -- Tri-oval -- Triacontadigon -- Triacontagon -- Triacontatetragon -- Triakis icosahedron -- Triakis octahedron -- Triakis tetrahedron -- Triakis truncated tetrahedral honeycomb -- Triakis truncated tetrahedron -- Trial division -- Trial registration -- Triality -- Triangle -- Triangle center -- Triangle conic -- Triangle-free graph -- Triangle graph -- Triangle group -- Triangle inequality -- Triangle of death (Italy) -- Triangle of opposition -- Triangle of partition numbers -- Triangle postulate -- Triangle strip -- Triangle wave -- Triangular array -- Triangular bifrustum -- Triangular bipyramid -- Triangular coordinates -- Triangular cupola -- Triangular decomposition -- Triangular distribution -- Triangular function -- Triangular hebesphenorotunda -- Triangular matrix -- Triangular matrix ring -- Triangular network coding -- Triangular number -- Triangular orthobicupola -- Triangular prism -- Triangular prismatic honeycomb -- Triangular tiling -- Triangular tiling honeycomb -- Triangulated category -- Triangulation -- Triangulation (geometry) -- Triangulation (surveying) -- Triangulation (topology) -- Triangulation sensing -- Triaugmented dodecahedron -- Triaugmented hexagonal prism -- Triaugmented triangular prism -- Triaugmented truncated dodecahedron -- Tribovoltaic effect -- Tricategory -- Trichotomy -- Trichotomy theorem -- Tricolorability -- Tricomi–Carlitz polynomials -- Tricorn (mathematics) -- Tricotyledon theory of system design -- Tricubic interpolation -- Tridecagon -- Tridecahedron -- Trident curve -- Tridiagonal matrix -- Tridiagonal matrix algorithm -- Tridiminished icosahedron -- Tridiminished rhombicosidodecahedron -- Tridyakis icosahedron -- Triebel–Lizorkin space -- Trifocal tensor -- Triforce -- Trigamma function -- Trigenus -- Trigger strategy -- Trigonal trapezohedral honeycomb -- Trigonal trapezohedron -- Trigonometric functions -- Trigonometric functions of matrices -- Trigonometric integral -- Trigonometric interpolation -- Trigonometric moment problem -- Trigonometric polynomial -- Trigonometric Rosen–Morse potential -- Trigonometric series -- Trigonometric substitution -- Trigonometric tables -- Trigonometry -- Trigonometry of a tetrahedron -- Trigram tagger -- Trigyrate rhombicosidodecahedron -- Triheptagonal tiling -- Trihexagonal tiling -- Trilemma -- Trilinear coordinates -- Trilinear interpolation -- Trilinear polarity -- Trillion -- Trillium theorem -- Trilon -- Trimagic square -- Trimean -- Trimmed estimator -- Trinification -- Trinity Mathematical Society -- Trinomial -- Trinomial expansion -- Trinomial triangle -- Trioctagonal tiling -- Triple -- Triple bar -- Triple correlation -- Triple helix -- Triple product -- Triple product property -- Triple product rule -- Triple system -- Tripling-oriented Doche–Icart–Kohel curve -- Triply periodic minimal surface -- Tripod packing -- Triquetra -- Trirectangular tetrahedron -- Trisected perimeter point -- Trisectrix -- Trisectrix of Maclaurin -- Trispectrum -- Trivial cylinder -- Trivial group -- Trivial measure -- Trivial module -- Trivial representation -- Trivial semigroup -- Trivial topology -- Trivialism -- Triviality (mathematics) -- Trivially perfect graph --

Trochoid -- Trombi–Varadarajan theorem -- Tromino -- Trope (mathematics) -- Tropical analysis -- Tropical compactification -- Tropical geometry -- Tropical projective space -- Troposkein -- Trudinger's theorem -- True and false (Unix) -- True arithmetic -- True length -- True quantified Boolean formula -- True-range multilateration -- True variance -- Truncatable prime -- Truncated 120-cells -- Truncated 16-cell honeycomb -- Truncated 24-cell honeycomb -- Truncated 24-cells -- Truncated 5-cell -- Truncated 5-cubes -- Truncated 5-orthoplexes -- Truncated 5-simplexes -- Truncated 6-cubes -- Truncated 6-orthoplexes -- Truncated 6-simplexes -- Truncated 7-cubes -- Truncated 7-orthoplexes -- Truncated 7-simplexes -- Truncated 8-cubes -- Truncated 8-orthoplexes -- Truncated 8-simplexes -- Truncated cube -- Truncated cubic prism -- Truncated cuboctahedral prism -- Truncated cuboctahedron -- Truncated distribution -- Truncated dodecadodecahedron -- Truncated dodecahedral prism -- Truncated dodecahedron -- Truncated great dodecahedron -- Truncated great icosahedron -- Truncated heptagonal tiling -- Truncated hexagonal tiling -- Truncated hexagonal trapezohedron -- Truncated icosahedral prism -- Truncated icosahedron -- Truncated icosidodecahedral prism -- Truncated icosidodecahedron -- Truncated mean -- Truncated Newton method -- Truncated normal distribution -- Truncated octagonal tiling -- Truncated octahedral prism -- Truncated octahedron -- Truncated order-4 heptagonal tiling -- Truncated order-4 pentagonal tiling -- Truncated order-5 pentagonal tiling -- Truncated order-5 square tiling -- Truncated order-7 heptagonal tiling -- Truncated order-7 square tiling -- Truncated order-8 triangular tiling -- Truncated pentakis dodecahedron -- Truncated power function -- Truncated projective plane -- Truncated regression model -- Truncated rhombicosidodecahedron -- Truncated rhombicuboctahedron -- Truncated square antiprism -- Truncated square tiling -- Truncated square trapezohedron -- Truncated tesseract -- Truncated tesseractic honeycomb -- Truncated tetrahedral prism -- Truncated tetrahedron -- Truncated tetraheptagonal tiling -- Truncated tetrakis cube -- Truncated tetrapentagonal tiling -- Truncated trapezohedron -- Truncated triakis icosahedron -- Truncated triakis octahedron -- Truncated triakis tetrahedron -- Truncated triangular trapezohedron -- Truncated triheptagonal tiling -- Truncated trihexagonal tiling -- Truncated trioctagonal tiling -- Truncation -- Truncation (geometry) -- Truncation (statistics) -- Truncation error -- Truncation error (numerical integration) -- Truncus (mathematics) -- Trust region -- Truth function -- Truth predicate -- Truth table -- Truth-table reduction -- Truth value -- Truth-value semantics -- Truthmaker theory --

Tsallis distribution -- Tsallis entropy -- Tsallis statistics -- Tschirnhaus transformation -- Tschirnhausen cubic -- Tschuprow's T -- Tsen rank -- Tsen's theorem -- Tsinghua Bamboo Slips -- Tsirelson space -- Tsirelson's bound -- Tube -- Tube domain -- Tube lemma -- Tübingen triangle -- Tubular neighborhood -- Tucker decomposition -- Tucker's lemma -- Tukey depth -- Tukey–Duckworth test -- Tukey lambda distribution -- Tukey median -- Tukey's range test -- Tukey's test of additivity -- TUM School of Computation, Information and Technology -- Tunnel number -- Tunnell's theorem -- Tuple -- Tuple relational calculus -- Tupper's self-referential formula --

Turán graph -- Turán–Kubilius inequality -- Turán number -- Turán sieve -- Turán's brick factory problem -- Turán's inequalities -- Turán's method -- Turán's theorem -- Turbo code -- Turbulence -- Turing completeness -- Turing degree -- Turing jump -- Turing machine -- Turing machine examples -- Turing machine gallery -- Turing pattern -- Turing reduction -- Turing tarpit -- Turing's method -- Turing's proof -- Turingery -- Turkish Journal of Mathematics -- Turkish Mathematical Society -- Turn (angle) -- Turning point test -- Turnstile (symbol) -- Tusi-couple -- Tutte 12-cage -- Tutte–Berge formula -- Tutte–Coxeter graph -- Tutte embedding -- Tutte graph -- Tutte–Grothendieck invariant -- Tutte homotopy theorem -- Tutte matrix -- Tutte polynomial -- Tutte theorem --

Tverberg's theorem -- Tversky index -- Tweedie distribution -- Twelfth root of two -- Twelvefold way -- Twiddle factor -- Twin circles -- Twin paradox -- Twin prime -- Twin prime conjecture -- Twin Prime Search -- Twin-width -- Twist (mathematics) -- Twist knot -- Twisted cubic -- Twisted Edwards curve -- Twisted geometries -- Twisted Hessian curves -- Twisted K-theory -- Twisted Poincaré duality -- Twisted polynomial ring -- Twisted sheaf -- Twisting properties -- Twistor correspondence -- Twistor space -- Twistor theory -- Twists of elliptic curves -- Two-body Dirac equations -- Two-body problem -- Two-center bipolar coordinates -- Two-cube calendar -- Two-dimensional Euclidean space -- Two-dimensional graph -- Two-dimensional singular-value decomposition -- Two-dimensional window design -- Two-dimensional Yang–Mills theory -- Two ears theorem -- Two-element Boolean algebra -- Two envelopes problem -- Two-fluid model -- Two-graph -- Two New Sciences -- Two-point tensor -- Two-sided Laplace transform -- Two-Sided Matching -- Two-state trajectory -- Two-variable logic -- Two-vector -- Two-way analysis of variance -- Two's complement --

Twyman's law -- Tychonoff cube -- Tychonoff plank -- Tychonoff space -- Tychonoff's theorem -- Tychonoff's theorem (disambiguation) -- Type (model theory) -- Type-2 Gumbel distribution -- Type I and type II errors -- Type III error -- Type inhabitation -- Type theory -- Typed lambda calculus -- Types of artificial neural networks -- Typical set -- Typographical conventions in mathematical formulae -- Typographical Number Theory -- Typology (statistics) -- Tyranny of averages -- Tyson Medal --


U-bit -- U-duality -- U-invariant -- U-quadratic distribution -- U-rank -- U-semigroup -- U-statistic -- UBC computer science -- Ubersketch -- UCL Faculty of Mathematical and Physical Sciences -- UCPH Department of Mathematical Sciences -- UCT Mathematics Competition -- Udo of Aachen -- Udwadia–Kalaba formulation -- Ugly duckling theorem -- UK Molecular R-matrix Codes -- Ulam matrix -- Ulam number -- Ulam spiral -- Ulam–Warburton automaton -- Ulam's conjecture -- Ulam's game -- Ulam's packing conjecture -- Ulm's theorem -- Ultimate tic-tac-toe -- Ultrabarrelled space -- Ultrabornological space -- Ultraconnected space -- Ultrafilter -- Ultrafilter (set theory) -- Ultrafinitism -- Ultragraph C*-algebra -- Ultrahyperbolic equation -- Ultralimit -- Ultrametric space -- Ultraparallel theorem -- Ultrapolynomial -- Ultraproduct -- Ultrastrong topology -- Ultraweak topology --

Umbilic torus -- Umbilical point -- Umbral calculus -- Umbral moonshine -- Umbrella sampling -- Unary coding -- Unary function -- Unary language -- Unary numeral system -- Unary operation -- Unavoidable pattern -- Unbiased estimation of standard deviation -- Unbounded operator -- Uncertain data -- Uncertainty -- Uncertainty analysis -- Uncertainty budget -- Uncertainty coefficient -- Uncertainty exponent -- Uncertainty parameter -- Uncertainty principle -- Uncertainty quantification -- Uncertainty theory -- Uncle Petros and Goldbach's Conjecture -- Uncomfortable science -- Unconditional convergence -- Uncorrelated asymmetry -- Uncorrelatedness (probability theory) -- Uncountable set -- Undecidable -- Undecidable problem -- Undecimal -- Undefined (mathematics) -- Under-fitting -- Underdetermined system -- Underfitting -- Undergraduate Texts in Mathematics -- Undulating number -- Unduloid --

Unexpected hanging paradox -- Unfoldable cardinal -- Unfolding -- Unfolding (functions) -- Unfriendly partition -- Ungula -- Unibranch local ring -- Unicity conjecture -- Unicoherent space -- Unicursal hexagram -- Unification -- Unification (computer science) -- Unified CORDIC -- Uniform 1 k2 polytope -- Uniform 10-polytope -- Uniform 2 k1 polytope -- Uniform 4-polytope -- Uniform 5-polytope -- Uniform 6-polytope -- Uniform 7-polytope -- Uniform 8-polytope -- Uniform 9-polytope -- Uniform absolute-convergence -- Uniform algebra -- Uniform antiprismatic prism -- Uniform boundedness -- Uniform boundedness conjecture for rational points -- Uniform boundedness principle -- Uniform coloring -- Uniform continuity -- Uniform convergence -- Uniform convergence in probability -- Uniform field theory -- Uniform honeycomb -- Uniform honeycombs in hyperbolic space -- Uniform integrability -- Uniform isomorphism -- Uniform k 21 polytope -- Uniform limit theorem -- Uniform matroid -- Uniform module -- Uniform norm -- Uniform polyhedron -- Uniform polyhedron compound -- Uniform polytope -- Uniform price auction -- Uniform property -- Uniform space -- Uniform star polyhedron -- Uniform tessellation -- Uniform theory of diffraction -- Uniform tiling -- Uniform tiling symmetry mutations -- Uniform tilings in hyperbolic plane -- Uniform tree -- Uniformity conjecture -- Uniformizable space -- Uniformization -- Uniformization (probability theory) -- Uniformization (set theory) -- Uniformization theorem -- Uniformly bounded representation -- Uniformly Cauchy sequence -- Uniformly connected space -- Uniformly convex space -- Uniformly disconnected space -- Uniformly distributed measure -- Uniformly hyperfinite algebra -- Uniformly most powerful test -- Uniformly smooth space -- Unifying theories in mathematics -- Unimodality -- Unimodular -- Unimodular lattice -- Unimodular matrix -- Unimodular polynomial matrix -- Union (set theory) -- Union-closed sets conjecture -- Union of Czech mathematicians and physicists -- Unipotent -- Unipotent representation -- Unique factorization domain -- Unique games conjecture -- Unique negative dimension -- Unique sink orientation -- Uniquely colorable graph -- Uniqueness case -- Uniqueness quantification -- Uniqueness theorem -- Uniqueness theorem for Poisson's equation -- Unirationality -- Unisolvent functions -- Unisolvent point set -- Unistochastic matrix -- Unit (ring theory) -- Unit angle -- Unit ball -- Unit circle -- Unit commitment problem in electrical power production -- Unit cube -- Unit disk -- Unit disk graph -- Unit distance graph -- Unit doublet -- Unit fraction -- Unit function -- Unit hyperbola -- Unit impulse -- Unit interval -- Unit measure -- Unit propagation -- Unit root -- Unit root test -- Unit sphere -- Unit square -- Unit tangent bundle -- Unit vector -- Unit-weighted regression -- Unital (geometry) -- Unital map -- Unitarian trick -- Unitary divisor -- Unitary element -- Unitary equivalence -- Unitary group -- Unitary matrix -- Unitary method -- Unitary operator -- Unitary perfect number -- Unitary representation -- Unitary transformation -- United Kingdom Mathematics Trust -- United States of America Mathematical Olympiad -- United States of America Mathematical Talent Search -- Units conversion by factor-label -- Unity -- Unity amplitude -- Univalent function -- Univariate -- Univariate (statistics) -- Univariate analysis -- Univariate distribution -- Universal algebra -- Universal algebraic geometry -- Universal approximation theorem -- Universal bundle -- Universal C*-algebra -- Universal chord theorem -- Universal coefficient theorem -- Universal composability -- Universal differential equation -- Universal embedding theorem -- Universal enveloping algebra -- Universal generalization -- Universal geometric algebra -- Universal graph -- Universal hashing -- Universal homeomorphism -- Universal instantiation -- Universal parabolic constant -- Universal property -- Universal quadratic form -- Universal quantification -- Universal representation (C*-algebra) -- Universal set -- Universal set (disambiguation) -- Universal space -- Universal Teichmüller space -- Universal vertex -- Universality (dynamical systems) -- Universality probability -- Universally Baire set -- Universally measurable set -- Universe (mathematics) -- University of Chicago School Mathematics Project -- University of Minnesota Talented Youth Mathematics Program -- University of Sydney School of Mathematics and Statistics -- University of Toronto Department of Mathematics -- University of Waterloo Faculty of Mathematics --

Unknot -- Unknotting -- Unknotting number -- Unknotting problem -- Unknown Soldier Memorial (Cairo) -- Unknown unknown -- Unlink -- Unmatched count -- Unnormalized modified KdV equation -- Unordered pair -- Unramified morphism -- Unreasonable ineffectiveness of mathematics -- Unrestricted algorithm -- Unrooted binary tree -- Unsatisfiable core -- Unscented optimal control -- Unseen species problem -- Unsolved Problems in Number Theory -- Unstructured grid -- Untouchable number -- Untyped lambda calculus -- Unusual number -- UP (complexity) -- Up tack -- Up to -- Uplift modelling -- Upper and lower bounds -- Upper and lower probabilities -- Upper bound theorem -- Upper-convected time derivative -- Upper half-plane -- Upper p-series -- Upper set -- Upper topology --

Upwind differencing scheme for convection -- Upwind scheme -- Urania Propitia -- Uranium tile -- Urelement -- Urn problem -- Urquhart graph -- Ursell function -- Urysohn and completely Hausdorff spaces -- Urysohn universal space -- Urysohn's lemma -- Uses of trigonometry -- Ushiki's theorem -- Using the Borsuk–Ulam Theorem -- Usual hypotheses -- Utilitarian rule -- Utility functions on indivisible goods -- Utility graph -- Utility maximization problem -- Utilization -- Utilization distribution -- UTM theorem -- Utpala -- Utpala (astronomer) -- UV fixed point -- Uzawa iteration -- Uzumaki --