♯P -- P (complexity) -- P-adic analysis -- P-adic cohomology -- P-adic distribution -- P-adic exponential function -- P-adic gamma function -- P-adic Hodge theory -- P-adic L-function -- P-adic modular form -- P-adic number -- P-adic Teichmüller theory -- P-adic valuation -- P-adically closed field -- P-basis -- P-compact group -- ♯P-complete -- ♯P-completeness of 01-permanent -- P-constrained group -- P-core -- P-curvature -- P-derivation -- P-FEM -- P-group -- P-group generation algorithm -- P-Laplacian -- P-matrix -- P-recursive equation -- P-rep -- P-residual subgroup -- P-soluble group -- P-space -- P-stable group -- P-value -- P-variation -- P versus NP problem -- P-y method --

P/poly -- P2-irreducible manifold -- PA degree -- Pace count beads -- Pachner moves -- Pacific Institute for the Mathematical Sciences -- Pacific Journal of Mathematics -- Package-merge algorithm -- Packed storage matrix -- Packet erasure channel -- Packing density -- Packing dimension -- Packing in a hypergraph -- Packing measure -- Packing problem -- Pacman conjecture -- Padding argument -- Padé approximant -- Padé table -- Paden–Kahan subproblems -- Padmakar–Ivan index -- Padovan cuboid spiral -- Padovan polynomials -- Padovan sequence -- Padua points -- Page's trend test -- PageRank -- Paid survey -- Painlevé conjecture -- Painlevé transcendents -- Painter's algorithm -- Pair of pants (mathematics) -- Pair of spaces -- Paired comparison analysis -- Paired data -- Paired difference test -- Pairing -- Pairing function -- Pairwise -- Pairwise compatibility graph -- Pairwise error probability -- Pairwise independence -- Pairwise Stone space -- Pairwise summation -- Paitamaha Siddhanta --

Pakistan Institute of Nuclear Science & Technology -- Pakistan Mathematical Society -- Pakistan Statistical Society -- Palais–Smale compactness condition -- Palais theorem -- Palatini identity -- Paley construction -- Paley graph -- Paley–Wiener integral -- Paley–Wiener theorem -- Paley–Zygmund inequality -- Palindromic number -- Palindromic prime -- Palm calculus -- Palm–Khintchine theorem -- Pan-African Congress of Mathematicians -- Pan-African Mathematics Olympiads -- Pancake graph -- Panconnectivity -- Pancyclic graph -- Pandiagonal magic cube -- Pandiagonal magic square -- Pandigital number -- Paneitz operator -- Panel data -- Panichatra -- Panjer recursion -- Pansu derivative -- Pantachy -- Pantelides algorithm -- Pantriagonal magic cube --

Paper bag problem -- Pappus chain -- Pappus configuration -- Pappus graph -- Pappus's area theorem -- Pappus's centroid theorem -- Pappus's hexagon theorem -- Pappus's theorem -- Pappus's theorem (disambiguation) -- Parabiaugmented dodecahedron -- Parabiaugmented hexagonal prism -- Parabiaugmented truncated dodecahedron -- Parabidiminished rhombicosidodecahedron -- Parabigyrate rhombicosidodecahedron -- Parabola -- Parabola of safety -- Parabolic constant -- Parabolic coordinates -- Parabolic cylinder function -- Parabolic cylindrical coordinates -- Parabolic fractal distribution -- Parabolic geometry -- Parabolic geometry (differential geometry) -- Parabolic geometry (disambiguation) -- Parabolic induction -- Parabolic Lie algebra -- Parabolic line -- Parabolic partial differential equation -- Paraboloid -- Paraboloidal coordinates -- Paracompact space -- Paracompact uniform honeycombs -- Paraconsistent logic -- Paraconsistent mathematics -- Paradiseo -- Paradox of enrichment -- Paradoxes of set theory -- Paradoxes of the Infinite -- Paradoxical set -- Parafactorial local ring -- Parafree group -- Paragyrate diminished rhombicosidodecahedron -- Parallax -- Parallel (geometry) -- Parallel (operator) -- Parallel all-pairs shortest path algorithm -- Parallel analysis -- Parallel breadth-first search -- Parallel coordinates -- Parallel curve -- Parallel mesh generation -- Parallel metaheuristic -- Parallel parking problem -- Parallel postulate -- Parallel projection -- Parallel redrawing -- Parallel single-source shortest path algorithm -- Parallel tempering -- Parallel transport -- Parallelepiped -- Parallelizable manifold -- Parallelization (mathematics) -- Parallelogon -- Parallelogram -- Parallelogram law -- Parallelogram of force -- Parallelohedron -- Parameter -- Parameter space -- Parameter word -- Parameterized complexity -- Parametric array -- Parametric derivative -- Parametric equation -- Parametric family -- Parametric model -- Parametric oscillator -- Parametric programming -- Parametric search -- Parametric statistics -- Parametric surface -- Parametrix -- Parametrization -- Parametrization (geometry) -- Paramodular group -- Paranormal operator -- Paranormal space -- Paranormal subgroup -- Paraproduct -- Parareal -- Parasitic number -- Parasitic oscillation -- Parastatistics -- Paratingent cone -- Paratopological group -- Paravector -- Parbelos -- Pareigis Hopf algebra -- Parent function -- Pareto analysis -- Pareto chart -- Pareto distribution -- Pareto efficiency -- Pareto index -- Pareto interpolation -- Pareto principle -- Pareto set -- Pariah group -- Paris–Harrington theorem -- Parity (mathematics) -- Parity bit -- Parity-check matrix -- Parity function -- Parity game -- Parity graph -- Parity learning -- Parity of a permutation -- Parity of zero -- Parity P -- Parity plot -- Parity problem (sieve theory) -- Park test -- Parker–Sochacki method -- Parker vector -- Parovicenko space -- Parrondo's paradox -- Parry–Daniels map -- Parry point (triangle) -- Parry–Sullivan invariant -- Parseval–Gutzmer formula -- Parseval's identity -- Parseval's theorem -- Parshin chain -- Parshin's conjecture -- Parsimonious reduction -- Part III of the Mathematical Tripos -- Part number -- Part-of-speech tagging -- Parthasarathy's theorem -- Partial algebra -- Partial autocorrelation function -- Partial correlation -- Partial cube -- Partial cyclic order -- Partial derivative -- Partial differential algebraic equation -- Partial differential equation -- Partial element equivalent circuit -- Partial equivalence relation -- Partial evaluation -- Partial fraction decomposition -- Partial fractions in complex analysis -- Partial function -- Partial geometry -- Partial group algebra -- Partial groupoid -- Partial inverse of a matrix -- Partial isometry -- Partial k-tree -- Partial least squares path modeling -- Partial least squares regression -- Partial leverage -- Partial linear space -- Partial order reduction -- Partial permutation -- Partial products algorithm -- Partial regression plot -- Partial residual plot -- Partial return reverse swap -- Partial trace -- Partial word -- Partially observable Markov decision process -- Partially ordered group -- Partially ordered ring -- Partially ordered set -- Partially ordered space -- Participation inequality -- Particle filter -- Particle in a box -- Particle in a ring -- Particle in a spherically symmetric potential -- Particle-in-cell -- Particle method -- Particle physics and representation theory -- Particle statistics -- Particle swarm optimization -- Particular point topology -- Particular values of the gamma function -- Particular values of the Riemann zeta function -- Partisan game -- Partition (number theory) -- Partition algebra -- Partition cardinal -- Partition cardinal (disambiguation) -- Partition function (mathematics) -- Partition function (number theory) -- Partition matroid -- Partition of a set -- Partition of an interval -- Partition of sums of squares -- Partition of unity -- Partition regularity -- Partition topology -- Parts-per notation -- Party-list proportional representation -- Parvaresh–Vardy code --

Pascal matrix -- Pascal's calculator -- Pascal's mugging -- Pascal's pyramid -- Pascal's rule -- Pascal's simplex -- Pascal's theorem -- Pascal's triangle -- Pascal's wager -- Pasch's axiom -- Pasch's theorem -- Passive sampling -- Pasta by Design -- Pasting lemma -- Patch test (finite elements) -- Path (graph theory) -- Path (topology) -- Path analysis (statistics) -- Path-based strong component algorithm -- Path coefficient -- Path coloring -- Path cover -- Path dependence -- Path graph -- Path integral -- Path integral (disambiguation) -- Path integral formulation -- Path integral molecular dynamics -- Path integral Monte Carlo -- Path of least resistance -- Path ordering (term rewriting) -- Path space -- Path space (algebraic topology) -- Path space fibration -- Pathani Samanta -- Pathological (mathematics) -- Pathwidth -- Patlak plot -- Pattern -- Pattern Blocks -- Pattern calculus -- Pattern formation -- Pattern search (optimization) -- Pattern theory -- Patterns in nature -- Patterson function --

Paul Erdős Award -- Paul Erdős Prize -- Paul Grice -- Paul R. Halmos – Lester R. Ford Award -- Pauli group -- Pauli–Lubanski pseudovector -- Pauli matrices -- Paulisa Siddhanta -- Paving matroid -- PCF theory -- PCLake -- PCO2 -- PCP theorem -- PDE-constrained optimization -- PDE surface -- PDIFF -- Peak algebra -- Peakon -- Peano axioms -- Peano curve -- Peano existence theorem -- Peano kernel theorem -- Peano–Russell notation -- Peano surface -- Pear-shaped -- Pearcey integral -- Pearls in Graph Theory -- Pearson correlation coefficient -- Pearson distribution -- Pearson's chi-squared test -- Peaucellier–Lipkin linkage --

Pebble game -- Pebble motion problems -- Peccot Lectures -- PECE -- Peck poset -- Pedal curve -- Pedal equation -- Pedal triangle -- Pedoe's inequality -- Peeling theorem -- Peetre theorem -- Peetre's inequality -- Peg + Cat -- Peirce decomposition -- Peirce quincuncial projection -- Peirce's criterion -- Peirce's law -- Peixoto's theorem -- Pell number -- Pell's equation -- Pen's parade -- Penalty method -- Penannular -- Pencil (geometry) -- Pendent -- Pendulum (mechanics) -- Penney's game -- Penny graph -- Penrose diagram -- Penrose graphical notation -- Penrose–Lucas argument -- Penrose stairs -- Penrose tiling -- Penrose transform -- Penrose triangle -- Pentacontagon -- Pentadecagon -- Pentadecahedron -- Pentadiagonal matrix -- Pentadic numerals -- Pentagon -- Pentagon tiling -- Pentagonal antiprism -- Pentagonal bifrustum -- Pentagonal bipyramid -- Pentagonal cupola -- Pentagonal gyrobicupola -- Pentagonal gyrocupolarotunda -- Pentagonal hexecontahedron -- Pentagonal icositetrahedron -- Pentagonal number -- Pentagonal number theorem -- Pentagonal orthobicupola -- Pentagonal orthobirotunda -- Pentagonal orthocupolarotunda -- Pentagonal polytope -- Pentagonal prism -- Pentagonal pyramid -- Pentagonal rotunda -- Pentagonal trapezohedron -- Pentagram -- Pentagram map -- Pentagramma mirificum -- Pentagrammic antiprism -- Pentagrammic crossed-antiprism -- Pentagrammic cuploid -- Pentagrammic-order 600-cell honeycomb -- Pentagrammic prism -- Pentahedron -- Pentahexagonal pyritoheptacontatetrahedron -- Pentakis dodecahedron -- Pentakis icosidodecahedron -- Pentakis snub dodecahedron -- Pentaprism -- Pentation -- Pentatope number -- Pentellated 6-cubes -- Pentellated 6-orthoplexes -- Pentellated 6-simplexes -- Pentellated 7-cubes -- Pentellated 7-orthoplexes -- Pentellated 7-simplexes -- Pentellated 8-simplexes -- Pentic 6-cubes -- Pentic 7-cubes -- Pentomino --

PEPA -- Pépin's test -- Per-comparison error rate -- Per mil -- Percent sign -- Percentage -- Percentage point -- Percentile -- Percentile rank -- Percept (information technology) -- Perception -- Perceptrons (book) -- Percolation -- Percolation critical exponents -- Percolation theory -- Percolation threshold -- Peregrine soliton -- Peres metric -- Perfect complex -- Perfect core -- Perfect digit-to-digit invariant -- Perfect digital invariant -- Perfect field -- Perfect graph -- Perfect graph theorem -- Perfect group -- Perfect hash function -- Perfect lattice -- Perfect magic cube -- Perfect map -- Perfect matching in high-degree hypergraphs -- Perfect matrix -- Perfect measure -- Perfect number -- Perfect obstruction theory -- Perfect power -- Perfect ring -- Perfect ruler -- Perfect set -- Perfect set property -- Perfect spline -- Perfect square (disambiguation) -- Perfect thermal contact -- Perfect totient number -- Perfectly matched layer -- Perfectly orderable graph -- Perfectoid space -- Perifocal coordinate system -- Perimeter -- Period (algebraic geometry) -- Period domain -- Period-doubling bifurcation -- Period mapping -- Periodic boundary conditions -- Periodic continued fraction -- Periodic function -- Periodic graph (geometry) -- Periodic graph (graph theory) -- Periodic point -- Periodic points of complex quadratic mappings -- Periodic sequence -- Periodic summation -- Periodic table of shapes -- Periodic table of topological invariants -- Periodic variation -- Periodogram -- Peripheral cycle -- Peripheral subgroup -- Perkel graph -- Perko pair -- Perles configuration -- Perlin noise -- Permanent -- Permanent (mathematics) -- Permutable prime -- Permutable subgroup -- Permutation -- Permutation (music) -- Permutation automaton -- Permutation box -- Permutation category -- Permutation graph -- Permutation group -- Permutation matrix -- Permutation model -- Permutation pattern -- Permutation polynomial -- Permutation representation -- Permutation test -- Permutational analysis of variance -- Permute instruction -- Permuted congruential generator -- Permutoassociahedron -- Permutohedron -- Pernicious number -- Perpendicular -- Perpendicular axis theorem -- Perpendicular bisector construction -- Perpendicular bisector construction of a quadrilateral -- Perpendicular distance -- Perpetuant -- Perplexity -- Perrin number -- Perron–Frobenius theorem -- Perron method -- Perron number -- Perron's formula -- Perron's irreducibility criterion -- Persistence of a number -- Persistent homology -- Perspectiva corporum regularium -- Perspective (geometry) -- Perspective (graphical) -- Perspective geological correlation -- Perspectivity -- Persymmetric matrix -- PERT distribution -- Perturbation (astronomy) -- Perturbation function -- Perturbation problem beyond all orders -- Perturbation theory -- Perturbation theory (quantum mechanics) -- Perverse sheaf --

Pestov–Ionin theorem -- Petal projection -- Peter Simons (academic) -- Peter–Weyl theorem -- Peters polynomials -- Petersen family -- Petersen graph -- Petersen–Morley theorem -- Petersen's theorem -- Peterson–Stein formula -- Petersson inner product -- Petersson trace formula -- Petherick code -- Petkovšek's algorithm -- Petr–Douglas–Neumann theorem -- Petrick's method -- Petrie dual -- Petrie polygon -- Petrov classification -- Petrov–Galerkin method -- Petrovsky lacuna -- Pettis integral -- Pettis' theorem -- Pfaffian -- Pfaffian function -- Pfaffian orientation -- Pfafstetter Coding System -- Pfeffer integral -- Pfister form -- Pfister's sixteen-square identity --

PG(3,2) -- PH (complexity) -- Phantom map -- Pharmaceutical Statistics -- Phase (waves) -- Phase boundary -- Phase diagram -- Phase-field model -- Phase-field models on graphs -- Phase line (mathematics) -- Phase plane -- Phase plane method -- Phase portrait -- Phase problem -- Phase reduction -- Phase response -- Phase retrieval -- Phase space -- Phase space crystals -- Phase-space formulation -- Phase space method -- Phase-type distribution -- Phase velocity -- Phason -- Phasor -- Phasor (physics) -- Phelim Boyle -- Phenotypic response surfaces -- Phi coefficient -- Phi-hiding assumption -- Philip J. Hanlon -- Phillips–Perron test -- Philo line -- Philosophia Mathematica -- Philosophiæ Naturalis Principia Mathematica -- Philosophical analysis -- Philosophical interpretation of classical physics -- Philosophical logic -- Philosophy of Arithmetic -- Philosophy of computer science -- Philosophy of logic -- Philosophy of mathematics -- Philosophy of mathematics education -- Philosophy of Mathematics Education Journal -- Philosophy of statistics --

Photomath -- Photometria -- Photon Doppler velocimetry -- Photon noise -- Phragmen–Brouwer theorem -- Phragmén–Lindelöf principle -- Phutball -- Physica A -- Physical constant -- Physical geodesy -- Physical knot theory -- Physical mathematics -- Physical symbol system -- Physics (Aristotle) -- Physics-informed neural networks -- Physics of computation -- Pi -- Pi (art project) -- Pi (film) -- Pi (letter) -- Pi-calculus -- Pi Day -- Pi in the Sky -- Pi Mu Epsilon -- Pi-system -- Picard–Fuchs equation -- Picard group -- Picard horn -- Picard–Lefschetz theory -- Picard–Lindelöf theorem -- Picard modular group -- Picard modular surface -- Picard theorem -- Picard–Vessiot theory -- Pick's theorem -- Pickands–Balkema–De Haan theorem -- Pickover stalk -- Picone identity -- Picture (mathematics) -- Picture function --

Pidduck polynomials -- Pidgin code -- Pie chart -- Piecewise -- Piecewise-deterministic Markov process -- Piecewise linear -- Piecewise linear (disambiguation) -- Piecewise linear continuation -- Piecewise linear function -- Piecewise linear manifold -- Piecewise syndetic set -- Pierce–Birkhoff conjecture -- Pieri's formula -- Pierpont prime -- Pigeonhole principle -- Pignistic probability -- PiHex -- Piling-up lemma -- Pilish -- Pill puzzle -- Pillai prime -- Pillai sequence -- Pillai's arithmetical function -- Pillai's conjecture -- Pin group -- Pinch point (mathematics) -- Pinched torus -- Pincherle derivative -- Pincherle polynomials -- Ping-pong lemma -- Pink triangle -- Pinsker's inequality -- Pinsky phenomenon -- Pinwheel tiling --

Pioneering Women in American Mathematics -- Pip (counting) -- Pipe network analysis -- Pipelined CORDIC -- Piphilology -- Pirate game -- Pisano period -- Pisier–Ringrose inequality -- Pisot–Vijayaraghavan number -- Pitchfork bifurcation -- Pitman closeness criterion -- Pitman–Yor process -- Pitot theorem -- Pitteway triangulation -- Pivot element -- Pivotal quantity -- Pixel connectivity -- Pixlet -- Pizza theorem -- PL (complexity) -- Place-permutation action -- Plactic monoid -- PlaidML -- Plain hunt -- Planar (computer graphics) -- Planar algebra -- Planar cover -- Planar Fourier capture array -- Planar graph -- Planar lamina -- Planar projection -- Planar Riemann surface -- Planar SAT -- Planar separator theorem -- Planar straight-line graph -- Planar ternary ring -- Planarity -- Planarity testing -- Plancherel measure -- Plancherel theorem -- Plancherel theorem for spherical functions -- Plane (geometry) -- Plane at infinity -- Plane curve -- Plane geometry (disambiguation) -- Plane of incidence -- Plane of rotation -- Plane partition -- Plane symmetry -- Plane wave -- Plane-wave expansion -- Planetary coordinate system -- Planetary surface -- PlanetMath -- Planigon -- Planimeter -- Planimetrics -- Planisphaerium -- Plant arithmetic -- Planted clique -- Plasma stability -- Plastic ratio -- Plate notation -- Plate trick -- Plateau (mathematics) -- Plateau's laws -- Plateau's problem -- Plato -- Plato's number -- Platonic graph -- Platonic hydrocarbon -- Platonic realism -- Platonic solid -- Plausible reasoning -- Playfair cipher -- Playfair's axiom -- Playing with Infinity --

Pleated surface -- Plebanski tensor -- Plesiohedron -- Plethysm -- Plethystic exponential -- Plethystic substitution -- Plimpton 322 -- Plot sampling -- Plotinus -- Plotkin bound -- Plotting algorithms for the Mandelbrot set -- PLS (complexity) -- Plücker coordinates -- Plücker embedding -- Plücker formula -- Plücker matrix -- Plücker surface -- Plücker's conoid -- Plug-in principle -- Plumbing (mathematics) -- Plural quantification -- Pluriharmonic function -- Pluripolar set -- Plurisubharmonic function -- Plus and minus signs -- Plus construction -- Plus Magazine -- Plus–minus sign -- Pochhammer contour -- Pochhammer k-symbol -- Pocket Cube -- Pocket set theory -- Pocklington primality test -- Pocklington's algorithm -- Pocock boundary --

Pohlig–Hellman algorithm -- Pohlke's theorem -- Poincaré–Bendixson theorem -- Poincaré–Birkhoff theorem -- Poincaré–Birkhoff–Witt theorem -- Poincaré complex -- Poincaré conjecture -- Poincaré disk model -- Poincaré duality -- Poincaré group -- Poincaré half-plane model -- Poincaré–Hopf theorem -- Poincaré inequality -- Poincaré–Lelong equation -- Poincaré–Lindstedt method -- Poincaré map -- Poincaré Medal -- Poincaré metric -- Poincaré–Miranda theorem -- Poincaré model -- Poincaré model (disambiguation) -- Poincaré plot -- Poincaré recurrence theorem -- Poincaré residue -- Poincaré Seminars -- Poincaré separation theorem -- Poincaré series -- Poincaré series (disambiguation) -- Poincaré series (modular form) -- Poincaré space -- Poincaré–Steklov operator -- Poincaré transformation -- Poinsot's spirals -- Point (geometry) -- Point accepted mutation -- Point at infinity -- Point-biserial correlation coefficient -- Point estimation -- Point-finite collection -- Point-free -- Point-free (disambiguation) -- Point group -- Point groups in four dimensions -- Point groups in three dimensions -- Point groups in two dimensions -- Point in polygon -- Point–line–plane postulate -- Point location -- Point mass -- Point-normal triangle -- Point of view (philosophy) -- Point-pair separation -- Point plotting -- Point process -- Point process notation -- Point process operation -- Point Processes -- Point reflection -- Point set triangulation -- Point source -- Pointclass -- Pointed set -- Pointed space -- Pointless topology -- Points of the compass -- Pointwise -- Pointwise convergence -- Pointwise mutual information -- Pointwise order -- Pointwise product -- Poisson algebra -- Poisson binomial distribution -- Poisson boundary -- Poisson bracket -- Poisson clumping -- Poisson distribution -- Poisson formula -- Poisson kernel -- Poisson–Lie group -- Poisson limit theorem -- Poisson manifold -- Poisson point process -- Poisson random measure -- Poisson random numbers -- Poisson regression -- Poisson ring -- Poisson sampling -- Poisson scatter theorem -- Poisson summation formula -- Poisson superalgebra -- Poisson supermanifold -- Poisson wavelet -- Poisson's equation --

Poker Effective Hand Strength (EHS) algorithm -- Poker probability -- Pokhozhaev's identity -- Polar action -- Polar circle (geometry) -- Polar code (coding theory) -- Polar coordinate system -- Polar curve -- Polar decomposition -- Polar factorization theorem -- Polar graph -- Polar homology -- Polar hypersurface -- Polar plotter -- Polar point group -- Polar representation -- Polar set -- Polar set (potential theory) -- Polar sine -- Polar space -- Polar topology -- Polarization (Lie algebra) -- Polarization constants -- Polarization identity -- Polarization of an algebraic form -- Pole (complex analysis) -- Pole and polar -- Policy capturing -- Polignac's conjecture -- Polish group -- Polish Logic -- Polish Mathematical Society -- Polish notation -- Polish School of Mathematics -- Polish space -- Polite number -- Political forecasting -- Pollard's kangaroo algorithm -- Pollard's p − 1 algorithm -- Pollard's rho algorithm -- Pollard's rho algorithm for logarithms -- Pollination network -- Pollock's conjectures -- Pollyanna Creep -- Poloidal–toroidal decomposition -- Poly-Bernoulli number -- Poly-Weibull distribution -- Pólya conjecture -- Pólya enumeration theorem -- Pólya Prize -- Pólya Prize (disambiguation) -- Pólya Prize (LMS) -- Pólya–Szegő inequality -- Pólya urn model -- Pólya-Vinogradov inequality -- Polyabolo -- Polyad -- Polyadic algebra -- Polyadic space -- Polyakov formula -- Polychoric correlation -- Polycon -- Polyconvex function -- Polycube -- Polycule -- Polycyclic group -- Polydisc -- Polydivisible number -- Polydrafter -- Polyform -- Polygamma function -- Polygenic score -- Polygon -- Polygon-circle graph -- Polygon covering -- Polygon density -- Polygon partition -- Polygon soup -- Polygon triangulation -- Polygon with holes -- Polygonal chain -- Polygonal number -- Polygonal turning -- Polygonalization -- Polygonizer -- Polygram (geometry) -- Polygraph (mathematics) -- Polyharmonic spline -- Polyhedra (book) -- Polyhedral -- Polyhedral combinatorics -- Polyhedral complex -- Polyhedral graph -- Polyhedral group -- Polyhedral space -- Polyhedral terrain -- Polyhedron -- Polyhedron model -- Polyhex (mathematics) -- Polyiamond -- Polykay -- Polyknight -- PolyL -- Polylogarithm -- Polylogarithmic function -- Polymake -- Polymath Project -- Polymatroid -- Polynomial -- Polynomial and rational function modeling -- Polynomial chaos -- Polynomial code -- Polynomial creativity -- Polynomial decomposition -- Polynomial differential form -- Polynomial Diophantine equation -- Polynomial evaluation -- Polynomial expansion -- Polynomial function theorems for zeros -- Polynomial functor -- Polynomial greatest common divisor -- Polynomial hierarchy -- Polynomial identity ring -- Polynomial identity testing -- Polynomial interpolation -- Polynomial lemniscate -- Polynomial long division -- Polynomial mapping -- Polynomial matrix -- Polynomial matrix spectral factorization -- Polynomial method in combinatorics -- Polynomial reduction -- Polynomial regression -- Polynomial remainder theorem -- Polynomial ring -- Polynomial sequence -- Polynomial solutions of P-recursive equations -- Polynomial SOS -- Polynomial-time approximation scheme -- Polynomial-time reduction -- Polynomial transformation -- Polynomial Wigner–Ville distribution -- Polynomially reflexive space -- Polynomials calculating sums of powers of arithmetic progressions -- Polynormal subgroup -- Polyomino -- Polyominoid -- Polyphase matrix -- Polyphase sequence -- Polystick -- Polysyllogism -- Polytetrahedron -- Polytomous Rasch model -- Polytope -- Polytope compound -- Polytope families -- Polytope graph -- Polytopological space -- Polytree -- Polytrope -- Polyvector field --

Pomeau–Manneville scenario -- Pompeiu derivative -- Pompeiu problem -- Pompeiu's theorem -- Poncelet point -- Poncelet Prize -- Poncelet–Steiner theorem -- Poncelet's closure theorem -- Pons asinorum -- Ponte del Diavolo -- Pontifex (project) -- Pontryagin class -- Pontryagin cohomology operation -- Pontryagin duality -- Pontryagin product -- Pontryagin's maximum principle -- Pooled standard deviation -- Pooled variance -- Pop music automation -- Popov criterion -- Popoviciu's inequality -- Popoviciu's inequality on variances -- Poppy-seed bagel theorem -- Popular mathematics -- Population balance equation -- Population-based incremental learning -- Population modeling -- Population process -- Population variance -- Population viability analysis --

Porcelain tile -- Poretsky's law of forms -- Porism -- Porous set -- Port-Royal Logic -- Portable, Extensible Toolkit for Scientific Computation -- Portal:Mathematics [[Talk:Portal:Mathematics| ]] -- Porteous formula -- Porter's constant -- Portmanteau test -- Portmanteau theorem -- Portugaliae Mathematica -- Portuguese Mathematical Society -- Pósa's theorem -- Pöschl–Teller potential -- Poset game -- Poset topology -- Posetal category -- Position (vector) -- Position circle -- Position line -- Position resection and intersection -- Positional game -- Positional notation -- Positive and negative parts -- Positive and negative predictive values -- Positive and negative sets -- Positive current -- Positive-definite function -- Positive-definite function on a group -- Positive-definite kernel -- Positive definiteness -- Positive definiteness (disambiguation) -- Positive feedback -- Positive form -- Positive harmonic function -- Positive linear functional -- Positive linear operator -- Positive map -- Positive operator (Hilbert space) -- Positive polynomial -- Positive-real function -- Positive real numbers -- Positive semidefinite -- Positive semidefinite (disambiguation) -- Positive set theory -- Positively invariant set -- Positively separated sets -- Posner's theorem -- Possibility theory -- Possible Worlds (play) -- Post correspondence problem -- Post hoc analysis -- Post hoc ergo propter hoc -- Post-Newtonian expansion -- Post–Turing machine -- Post's inversion formula -- Post's lattice -- Post's theorem -- Postage stamp problem -- PostBQP -- PostBQP = PP -- Postcondition -- Posterior predictive distribution -- Posterior probability -- Postnikov square -- Postnikov system -- Postselection -- Posynomial --

Potato paradox -- Potato peeling -- Potential -- Potential energy surface -- Potential flow -- Potential function -- Potential function (disambiguation) -- Potential good reduction -- Potential gradient -- Potential isomorphism -- Potential theory -- Potentiality and actuality -- Potsdam Miracle -- PottersWheel -- Potts model -- Pourbaix diagram -- Poussin graph -- Poussin proof -- Powell's method -- Power associativity -- Power automorphism -- Power center (geometry) -- Power closed -- Power diagram -- Power graph analysis -- Power iteration -- Power law -- Power law of cache misses -- Power mean -- Power of 10 -- Power of a point -- Power of three -- Power of two -- Power residue symbol -- Power rule -- Power series -- Power series solution of differential equations -- Power set -- Power sum symmetric polynomial -- Power transform -- Power, root-power, and field quantities -- Powerful number -- Powerful p-group --

Poynting vector -- PP (complexity) -- PPA (complexity) -- PPAD (complexity) -- PPP (complexity) -- PR (complexity) -- PR1ME Mathematics Teaching Programme -- Practical number -- Practical reason -- Prahalad Chunnilal Vaidya -- Pramana -- Pramāṇa-samuccaya -- Prasanta Chandra Mahalanobis -- Pratibandhaka -- Pre-abelian category -- Pre-algebra -- Pre-intuitionism -- Pre-Lie algebra -- Pre-math skills -- Pre-measure -- Pre-topological order -- Preadditive category -- Precalculus -- Precession -- Precision (computer science) -- Precision (statistics) -- Preclosure operator -- Precoloring extension -- Preconditioned Crank–Nicolson algorithm -- Preconditioner -- Predicate (mathematical logic) -- Predicate calculus -- Predicate functor logic -- Predicate variable -- Predicative programming -- Predictable σ-algebra -- Predictable process -- Predictable stopping time -- Prediction interval -- Predictive analytics -- Predictive inference -- Predictive informatics -- Predictive intake modelling -- Predictive modelling -- Predictive state representation -- Predictive validity -- Predictor–corrector method -- Predual -- Preference regression -- Preferential attachment -- Preferential entailment -- Preferred number -- Prefix code -- Prefix grammar -- Prefix order -- Pregaussian class -- Pregeometry -- Pregeometry (disambiguation) -- Pregeometry (model theory) -- Pregeometry (physics) -- Pregroup -- Prehistoric counting -- Prehomogeneous vector space -- Preimage theorem -- Preissman's theorem -- Prékopa–Leindler inequality -- Premature convergence -- Prenex normal form -- Preorder -- Preordered class -- Preparata code -- Preparation theorem -- Preparation theorem (disambiguation) -- Preradical -- Presburger arithmetic -- Prescribed Ricci curvature problem -- Prescribed scalar curvature problem -- Presentation complex -- Presentation of a group -- Presentation of a monoid -- Presheaf (category theory) -- Presheaf with transfers -- President of the American Statistical Association -- President of the Institute of Mathematical Statistics -- President of the Royal Statistical Society -- President of the Statistical Society of Canada -- Presidential Award for Excellence in Mathematics and Science Teaching -- Press–Schechter formalism -- PRESS statistic -- Pressure-correction method -- Prestack -- Presymplectic form -- Pretopological space -- Pretzel link -- Prevalent and shy sets -- Prewellordering -- Prezi --

Price of stability -- Price optimization -- Price's model -- Pricing kernel -- Priestley space -- Prim's algorithm -- Primal constraint graph -- Primal graph (disambiguation) -- Primal ideal -- Primality certificate -- Primality test -- Primality Testing for Beginners -- Primary cyclic group -- Primary decomposition -- Primary extension -- Primary ideal -- Primary Mathematics World Contest -- Primary pseudoperfect number -- Prime (order theory) -- Prime (symbol) -- Prime avoidance lemma -- Prime constant -- Prime-counting function -- Prime decomposition of 3-manifolds -- Prime element -- Prime end -- Prime factor exponent notation -- Prime-factor FFT algorithm -- Prime form -- Prime gap -- Prime geodesic -- Prime graph -- Prime ideal -- Prime ideal theorem -- Prime ideal theorem (disambiguation) -- Prime k-tuple -- Prime knot -- Prime manifold -- Prime model -- Prime number -- Prime number theorem -- Prime Obsession -- Prime omega function -- Prime power -- Prime quadruplet -- Prime reciprocal magic square -- Prime ring -- Prime signature -- Prime triplet -- Prime zeta function -- Prime95 -- Primecoin -- Primefree sequence -- PrimeGrid -- PrimePages -- Primes in arithmetic progression -- Primeval number -- Primitive abundant number -- Primitive element -- Primitive element (co-algebra) -- Primitive element (finite field) -- Primitive element theorem -- Primitive equations -- Primitive ideal -- Primitive notion -- Primitive part and content -- Primitive permutation group -- Primitive polynomial -- Primitive polynomial (field theory) -- Primitive recursive arithmetic -- Primitive recursive function -- Primitive recursive functional -- Primitive recursive set function -- Primitive ring -- Primitive root -- Primitive root (disambiguation) -- Primitive root modulo n -- Primitive semiperfect number -- Primon gas -- Primordial element (algebra) -- Primorial -- Primorial prime -- PRIMUS (journal) -- Prince Rupert's cube -- Princess and monster game -- Princeton Lectures in Analysis -- Princeton University Department of Mathematics -- Principal axis theorem -- Principal branch -- Principal bundle -- Principal component analysis -- Principal component regression -- Principal curvature -- Principal factor -- Principal geodesic analysis -- Principal homogeneous space -- Principal ideal -- Principal ideal domain -- Principal ideal ring -- Principal ideal theorem -- Principal indecomposable module -- Principal orbit type theorem -- Principal part -- Principal response curve -- Principal root of unity -- Principal series representation -- Principal stratification -- Principal subalgebra -- Principal value -- Principalization (algebra) -- Principia Mathematica -- Principle -- Principle of bivalence -- Principle of compositionality -- Principle of distributivity -- Principle of explosion -- Principle of indifference -- Principle of least action -- Principle of marginality -- Principle of maximum caliber -- Principle of maximum entropy -- Principle of permanence -- Principle of sufficient reason -- Principles and Standards for School Mathematics -- Principles of grid generation -- Principles of Hindu Reckoning -- Principles of Mathematical Analysis -- Principles of Mathematical Logic -- Principles of the Theory of Probability -- Prior Analytics -- Prior-independent mechanism -- Prior probability -- Priority heuristic -- Prism (geometry) -- PRISM (website) -- Prism correction -- Prism dioptre -- Prism graph -- Prismatic compound of antiprisms -- Prismatic compound of antiprisms with rotational freedom -- Prismatic compound of prisms -- Prismatic compound of prisms with rotational freedom -- Prismatic surface -- Prismatic uniform polyhedron -- Prismatoid -- Privacy-preserving computational geometry -- Prix Francoeur -- Prix Jaffé -- Prix Paul Doistau–Émile Blutet -- Prize of the Austrian Mathematical Society --

Pro-p group -- Pro-simplicial set -- Probabilistic analysis of algorithms -- Probabilistic argumentation -- Probabilistic automaton -- Probabilistic design -- Probabilistic encryption -- Probabilistic forecasting -- Probabilistic latent semantic analysis -- Probabilistic logic -- Probabilistic logic network -- Probabilistic method -- Probabilistic metric space -- Probabilistic number theory -- Probabilistic numerics -- Probabilistic proofs of non-probabilistic theorems -- Probabilistic proposition -- Probabilistic relational model -- Probabilistic risk assessment -- Probabilistic soft logic -- Probabilistic Turing machine -- Probabilistic voting theory -- Probabilistically checkable proof -- Probability -- Probability amplitude -- Probability and Mathematical Statistics -- Probability axioms -- Probability bounds analysis -- Probability box -- Probability density function -- Probability distribution -- Probability distribution function -- Probability distribution of extreme points of a Wiener stochastic process -- Probability-generating function -- Probability integral transform -- Probability interpretations -- Probability management -- Probability mass function -- Probability matching -- Probability measure -- Probability of direction -- Probability of error -- Probability of kill -- Probability-proportional-to-size sampling -- Probability space -- Probability Surveys -- Probability theory -- Probability Theory and Related Fields -- Probability vector -- Probable error -- Probable prime -- Probit -- Probit model -- Problem book -- Problem of Apollonius -- Problem of multiple generality -- Problem of points -- Problem solving -- Problem Solving Through Recreational Mathematics -- Problems in Latin squares -- Problems involving arithmetic progressions -- Problems, Problems, Problems -- ProbLog -- ProbOnto -- Proceedings - Mathematical Sciences -- Proceedings of A. Razmadze Mathematical Institute -- Proceedings of the American Mathematical Society -- Proceedings of the London Mathematical Society -- Procept -- Process capability -- Process control -- Process graph -- Process optimization -- Process performance qualification protocol -- Process Window Index -- Procrustes analysis -- Procrustes transformation -- Product (category theory) -- Product (mathematics) -- Product category -- Product-form solution -- Product integral -- Product measure -- Product metric -- Product numerical range -- Product of group subsets -- Product of groups -- Product of groups (disambiguation) -- Product of rings -- Product order -- Product rule -- Product term -- Product topology -- Productive matrix -- Products in algebraic topology -- Proebsting's paradox -- Professor Moriarty -- Professor of Mathematics, Glasgow -- Professor's Cube -- Professorship of Mathematical Statistics, University of Cambridge -- Professorship of Statistical Science, University of Cambridge -- Profinite group -- Profinite integer -- Profinite word -- Profit model -- Profunctor -- Prognostic equation -- Prognostics -- Program dependence graph -- Progressive function -- Progressive Graphics File -- Progressively measurable process -- Proizvolov's identity -- Proj construction -- Project Euler -- Project Mathematics! -- Project NExT -- Project SEED -- Projected dynamical system -- Projection (linear algebra) -- Projection (mathematics) -- Projection (measure theory) -- Projection (order theory) -- Projection (set theory) -- Projection body -- Projection formula -- Projection matrix -- Projection method (fluid dynamics) -- Projection plane -- Projection pursuit -- Projection pursuit regression -- Projection-slice theorem -- Projection-valued measure -- Projectionless C*-algebra -- Projections onto convex sets -- Projective bundle -- Projective cone -- Projective connection -- Projective cover -- Projective differential geometry -- Projective frame -- Projective geometry -- Projective group (disambiguation) -- Projective harmonic conjugate -- Projective hierarchy -- Projective Hilbert space -- Projective line -- Projective line over a ring -- Projective linear group -- Projective module -- Projective object -- Projective orthogonal group -- Projective plane -- Projective polyhedron -- Projective range -- Projective representation -- Projective semilinear group -- Projective Set (game) -- Projective space -- Projective tensor product -- Projective transformation -- Projective unitary group -- Projective variety -- Projective vector field -- Projectively extended real line -- Projectivization -- Prokhorov's theorem -- Prolate spheroidal coordinates -- Prolate spheroidal wave function -- Promoting adversaries -- Promptuary -- Pronic number -- Pronormal subgroup -- Prony equation -- Proof (2005 film) -- Proof (play) -- Proof (truth) -- Proof assistant -- Proof by contradiction -- Proof by contrapositive -- Proof by exhaustion -- Proof by infinite descent -- Proof by intimidation -- Proof calculus -- Proof-carrying code -- Proof complexity -- Proof compression -- Proof mining -- Proof net -- Proof-number search -- Proof of Bertrand's postulate -- Proof of concept -- Proof of Fermat's Last Theorem -- Proof of Fermat's Last Theorem for specific exponents -- Proof of impossibility -- Proof of knowledge -- Proof of O(log*n) time complexity of Union Find -- Proof of Stein's example -- Proof of the Euler product formula for the Riemann zeta function -- Proof procedure -- Proof School -- Proof sketch for Gödel's first incompleteness theorem -- Proof that π is irrational -- Proof that 22/7 exceeds π -- Proof that e is irrational -- Proof-theoretic semantics -- Proof theory -- Proof without words -- Proofs and Refutations -- Proofs from THE BOOK -- Proofs involving ordinary least squares -- Proofs involving the addition of natural numbers -- Proofs of convergence of random variables -- Proofs of elementary ring properties -- Proofs of Fermat's little theorem -- Proofs of quadratic reciprocity -- Proofs of trigonometric identities -- Proofs That Really Count -- PROP (category theory) -- Propagation graph -- Propagation of uncertainty -- Propagator -- Propensity probability -- Propensity score -- Propensity score matching -- Proper base change theorem -- Proper complexity function -- Proper convex function -- Proper forcing axiom -- Proper generalized decomposition -- Proper integral -- Proper linear model -- Proper map -- Proper morphism -- Proper orthogonal decomposition -- Proper score function -- Proper transfer function -- Property -- Property (mathematics) -- Property (philosophy) -- Property B -- Property of Baire -- Property P conjecture -- Proportion (architecture) -- Proportional control -- Proportional-fair rule -- Proportional hazards model -- Proportional reduction in loss -- Proportional reporting ratio -- Proportionality (mathematics) -- Proportionate reduction of error -- Proposition -- Propositional calculus -- Propositional directed acyclic graph -- Propositional formula -- Propositional function -- Propositional proof system -- Propositional variable -- Propositiones ad Acuendos Juvenes -- Proprism -- Prosecutor's fallacy -- Prosolvable group -- Prosthaphaeresis -- Protagoras -- Proth prime -- Proth's theorem -- Proto-cuneiform -- Proto-Indo-European numerals -- Proto-value function -- Protocol (science) -- Protorus -- Prototile -- Protractor -- Prouhet–Tarry–Escott problem -- Prouhet–Thue–Morse constant -- Provability logic -- Provable prime -- Proximal gradient methods for learning -- Proximal operator -- Proximity problems -- Proximity space -- Proxy (statistics) --

Prudnikov, Brychkov and Marichev -- Prüfer domain -- Prüfer group -- Prüfer manifold -- Prüfer rank -- Prüfer sequence -- Prüfer theorems -- Prune and search -- Prym differential -- Prym variety -- Pseudo-abelian category -- Pseudo algebraically closed field -- Pseudo-Anosov map -- Pseudo-arc -- Pseudo-Boolean function -- Pseudo-canonical variety -- Pseudo-deltoidal icositetrahedron -- Pseudo-determinant -- Pseudo-differential operator -- Pseudo-Euclidean space -- Pseudo-finite field -- Pseudo-functor -- Pseudo-Hadamard transform -- Pseudo-intersection -- Pseudo Jacobi polynomials -- Pseudo-marginal Metropolis–Hastings algorithm -- Pseudo-monotone operator -- Pseudo-multiplication -- Pseudo-order -- Pseudo-polynomial time -- Pseudo-polynomial transformation -- Pseudo-polyomino -- Pseudo-reductive group -- Pseudo-Riemannian manifold -- Pseudo-ring -- Pseudo-spectral method -- Pseudo-uniform polyhedron -- Pseudo-Zernike polynomials -- Pseudo-zero set -- Pseudoalgebra -- Pseudoanalytic function -- Pseudocircle -- Pseudocompact space -- Pseudocomplement -- Pseudocomplemented lattice -- Pseudoconvex function -- Pseudoconvexity -- Pseudoelementary class -- Pseudoforest -- Pseudogroup -- Pseudoholomorphic curve -- Pseudoideal -- Pseudoisotopy theorem -- Pseudolikelihood -- Pseudomanifold -- Pseudomathematics -- Pseudomedian -- Pseudometric -- Pseudometric (disambiguation) -- Pseudometric space -- Pseudonormal space -- Pseudoprime -- Pseudorandom ensemble -- Pseudorandom generator -- Pseudorandom generator theorem -- Pseudorandom graph -- Pseudorandom noise -- Pseudorandom number generator -- Pseudorandom permutation -- Pseudorandomness -- Pseudorealism -- Pseudoreflection -- Pseudoreplication -- Pseudoscalar -- Pseudospectral knotting method -- Pseudospectrum -- Pseudosphere -- Pseudotensor -- Pseudotriangle -- Pseudovector --

Psi function -- Psi function (disambiguation) -- PSL(2,7) -- PSPACE -- PSPACE-complete -- PSPACE-hard -- Psychological statistics -- Psychologism -- Psychology of reasoning -- PT-group -- Ptak space -- PTAS reduction -- Ptolemaic graph -- Ptolemy's table of chords -- Ptolemy's theorem -- Pu's inequality -- Public-key cryptography -- Public Opinion Quarterly -- Publicationes Mathematicae Debrecen -- Publications Mathématiques de l'IHÉS -- Pugh's closing lemma -- Pui Ching Invitational Mathematics Competition -- Puig subgroup -- Puiseux series -- Pulation square -- Pullback -- Pullback (category theory) -- Pullback (cohomology) -- Pullback (differential geometry) -- Pullback attractor -- Pullback bundle --

Pumping lemma -- Pumping lemma for context-free languages -- Pumping lemma for regular languages -- Puncture (topology) -- Punctured code -- Puppe sequence -- Purchasing power parity -- Pure function -- Pure inductive logic -- Pure mathematics -- Pure subgroup -- Pure submodule -- Pure type system -- Purely inseparable extension -- Purification theorem -- Purity (algebraic geometry) -- Purnell Model for Cultural Competence -- Purple triangle -- Pursuing Stacks -- Pursuit curve -- Push–relabel maximum flow algorithm -- Pushforward -- Pushforward (differential) -- Pushforward (disambiguation) -- Pushforward (homology) -- Pushforward measure -- Pushout (category theory) -- PyMC -- Pyragas method -- Pyramid -- Pyramid (geometry) -- Pyramidal number -- Pyritohedron -- Pyrrho's lemma --

Pythagoras number -- Pythagoras tree -- Pythagoras tree (fractal) -- Pythagorean addition -- Pythagorean comma -- Pythagorean expectation -- Pythagorean field -- Pythagorean means -- Pythagorean prime -- Pythagorean quadruple -- Pythagorean theorem -- Pythagorean tiling -- Pythagorean Triangles -- Pythagorean trigonometric identity -- Pythagorean triple -- Pythagorean tuning -- Pytkeev space --


Q-analog -- Q-analysis -- Q-ball -- Q-Bessel polynomials -- Q-Charlier polynomials -- Q-construction -- Q-derivative -- Q-difference polynomial -- Q-expansion principle -- Q-exponential -- Q-exponential distribution -- Q factor -- Q-function -- Q-gamma function -- Q-Gaussian distribution -- Q-Gaussian process -- Q-Hahn polynomials -- Q-Jacobi polynomials -- Q-Konhauser polynomials -- Q-Krawtchouk polynomials -- Q-Laguerre polynomials -- Q-matrix -- Q-Meixner–Pollaczek polynomials -- Q-Meixner polynomials -- Q-Pochhammer symbol -- Q-Q plot -- Q-Racah polynomials -- Q-statistic -- Q-systems -- Q-theta function -- Q-value (statistics) -- Q-Vandermonde identity -- Q-Weibull distribution --

Q.E.D. -- Qallalin tiles -- Qashani -- QCMA -- QED manifesto -- QED project -- QIP (complexity) -- QMA -- QR algorithm -- QR decomposition -- QST (genetics) -- Quad-edge -- QUADPACK -- Quadrance -- Quadrant (plane geometry) -- Quadrant count ratio -- Quadratic -- Quadratic algebra -- Quadratic assignment problem -- Quadratic bottleneck assignment problem -- Quadratic classifier -- Quadratic differential -- Quadratic eigenvalue problem -- Quadratic equation -- Quadratic field -- Quadratic form -- Quadratic form (statistics) -- Quadratic formula -- Quadratic Fourier transform -- Quadratic Frobenius test -- Quadratic function -- Quadratic Gauss sum -- Quadratic growth -- Quadratic integer -- Quadratic integral -- Quadratic integrate and fire -- Quadratic irrational number -- Quadratic Jordan algebra -- Quadratic knapsack problem -- Quadratic Lie algebra -- Quadratic-linear algebra -- Quadratic pair -- Quadratic programming -- Quadratic pseudo-Boolean optimization -- Quadratic quadrilateral element -- Quadratic reciprocity -- Quadratic residue -- Quadratic residue code -- Quadratic residuosity problem -- Quadratic set -- Quadratic sieve -- Quadratic transformation -- Quadratic variation -- Quadratically closed field -- Quadratically constrained quadratic program -- Quadratics -- Quadratrix -- Quadratrix of Hippias -- Quadrature (mathematics) -- Quadrature domains -- Quadrature mirror filter -- Quadrature of the Parabola -- Quadray coordinates -- Quadrea -- Quadric -- Quadric (algebraic geometry) -- Quadric geometric algebra -- Quadrics (company) -- Quadrifolium -- Quadrilateral -- Quadrisecant -- Quadruple product -- Qualitative property -- Qualitative theory of differential equations -- Qualitative variation -- Quality control and genetic algorithms -- Quantale -- Quantaloid -- Quantification -- Quantification (science) -- Quantification of margins and uncertainties -- Quantificational variability effect -- Quantifier (linguistics) -- Quantifier (logic) -- Quantifier elimination -- Quantifier rank -- Quantifier variance -- Quantile -- Quantile function -- Quantile normalization -- Quantile-parameterized distribution -- Quantile regression -- Quantile regression averaging -- Quantitative analysis (finance) -- Quantitative analyst -- Quantitative behavioral finance -- Quantitative models of the action potential -- Quantitative risk assessment software -- Quantitative trait locus -- Quantity -- Quantization (physics) -- Quantization commutes with reduction -- Quantized enveloping algebra -- Quantized state systems method -- Quantum affine algebra -- Quantum algebra -- Quantum algorithm for linear systems of equations -- Quantum annealing -- Quantum Bayesianism -- Quantum calculus -- Quantum capacity -- Quantum chaos -- Quantum clock model -- Quantum cohomology -- Quantum complexity theory -- Quantum computing -- Quantum differential calculus -- Quantum dilogarithm -- Quantum dimer models -- Quantum ergodicity -- Quantum field theory -- Quantum Fourier transform -- Quantum game theory -- Quantum geometry -- Quantum graph -- Quantum group -- Quantum groupoid -- Quantum harmonic oscillator -- Quantum invariant -- Quantum jump method -- Quantum KZ equations -- Quantum logic -- Quantum Markov chain -- Quantum Markov semigroup -- Quantum mechanics -- Quantum Monte Carlo -- Quantum operation -- Quantum probability -- Quantum q-Krawtchouk polynomials -- Quantum spacetime -- Quantum speed limit -- Quantum spin model -- Quantum state -- Quantum supremacy -- Quantum threshold theorem -- Quantum topology -- Quantum Trajectory Theory -- Quantum triviality -- Quantum Turing machine -- Quantum walk -- Quaquaversal -- Quaquaversal tiling -- Quarry tile -- Quartan prime -- Quarter 5-cubic honeycomb -- Quarter 6-cubic honeycomb -- Quarter 7-cubic honeycomb -- Quarter 8-cubic honeycomb -- Quarter cubic honeycomb -- Quarter hypercubic honeycomb -- Quarter period -- Quarterly Journal of Mathematics -- Quartic -- Quartic equation -- Quartic function -- Quartic graph -- Quartic plane curve -- Quartic reciprocity -- Quartic surface -- Quartic threefold -- Quartile -- Quartile coefficient of dispersion -- Quasi-abelian category -- Quasi-algebraically closed field -- Quasi-analytic function -- Quasi-arithmetic mean -- Quasi-bialgebra -- Quasi-bipartite graph -- Quasi-birth–death process -- Quasi-category -- Quasi-commutative property -- Quasi-compact morphism -- Quasi-complete space -- Quasi-continuous function -- Quasi-derivative -- Quasi-empirical method -- Quasi-empiricism -- Quasi-empiricism in mathematics -- Quasi-exact solvability -- Quasi-fibration -- Quasi-finite field -- Quasi-finite morphism -- Quasi-Frobenius Lie algebra -- Quasi-Frobenius ring -- Quasi-homogeneous polynomial -- Quasi-Hopf algebra -- Quasi-identity -- Quasi-interior point -- Quasi-invariant measure -- Quasi-isometry -- Quasi-isomorphism -- Quasi-Lie algebra -- Quasi-likelihood -- Quasi-Monte Carlo method -- Quasi-Monte Carlo methods in finance -- Quasi-Newton method -- Quasi-open map -- Quasi-polynomial -- Quasi-polynomial time -- Quasi-probability distribution -- Quasi-projective variety -- Quasi-relative interior -- Quasi-separated morphism -- Quasi-set theory -- Quasi-sphere -- Quasi-split group -- Quasi-stationary distribution -- Quasi-triangular quasi-Hopf algebra -- Quasi-ultrabarrelled space -- Quasi-unmixed ring -- Quasi-variance -- Quasibarrelled space -- Quasibinomial -- Quasicircle -- Quasicompact cardinal -- Quasiconformal mapping -- Quasicontraction semigroup -- Quasiconvex function -- Quasiconvexity (calculus of variations) -- Quasicrystal -- Quasicrystals and Geometry -- Quasideterminant -- Quasidihedral group -- Quasifield -- Quasigroup -- Quasimorphism -- Quasinorm -- Quasinormal operator -- Quasinormal subgroup -- Quasiperfect number -- Quasiperiodic function -- Quasiperiodic motion -- Quasiperiodic tiling -- Quasiperiodicity -- Quasirandom group -- Quasiregular -- Quasiregular element -- Quasiregular map -- Quasiregular polyhedron -- Quasiregular representation -- Quasireversibility -- Quasisimple group -- Quasispecies model -- Quasisymmetric -- Quasisymmetric function -- Quasisymmetric map -- Quasithin group -- Quasitopological space -- Quasitopos -- Quasitoric manifold -- Quasitrace -- Quasitransitive relation -- Quasitriangular Hopf algebra -- Quasivariety -- Quater-imaginary base -- Quaternary cubic -- Quaternary numeral system -- Quaternion -- Quaternion algebra -- Quaternion group -- Quaternion-Kähler manifold -- Quaternion-Kähler symmetric space -- Quaternion Society -- Quaternionic analysis -- Quaternionic discrete series representation -- Quaternionic manifold -- Quaternionic matrix -- Quaternionic polytope -- Quaternionic projective space -- Quaternionic representation -- Quaternionic structure -- Quaternionic vector space -- Quaternions and spatial rotation --

Queap -- Queen's graph -- Query (complexity) -- Queue number -- Queueing delay -- Queueing Systems -- Queueing theory -- QuickSmart -- Quillen adjunction -- Quillen determinant line bundle -- Quillen–Lichtenbaum conjecture -- Quillen metric -- Quillen spectral sequence -- Quillen–Suslin theorem -- Quillen's lemma -- Quillen's theorems A and B -- Quinary -- Quincunx -- Quincunx matrix -- Quine–McCluskey algorithm -- Quine–Putnam indispensability argument -- Quintic function -- Quintic threefold -- Quintuple product identity -- Quippian -- Quipu -- Quiver (mathematics) -- Quorum -- Quot scheme -- Quota rule -- Quota sampling -- Quote notation -- Quotient -- Quotient (disambiguation) -- Quotient (universal algebra) -- Quotient algebra -- Quotient by an equivalence relation -- Quotient category -- Quotient graph -- Quotient group -- Quotient module -- Quotient of an abelian category -- Quotient of subspace theorem -- Quotient ring -- Quotient rule -- Quotient space (linear algebra) -- Quotient space (topology) -- Quotient space of an algebraic stack -- Quotient stack -- Quotientable automorphism -- Quotition and partition --

QuTiP -- Qvist's theorem --


R (complexity) -- R-algebroid -- R-matrix -- Rabatment of the rectangle -- Rabdology -- Rabin signature algorithm -- Rabinovich–Fabrikant equations -- Rabinowitsch trick -- Racah polynomials -- Racah W-coefficient -- Racemic acid -- Racetrack (game) -- Racetrack principle -- Rachael Meager -- Racks and quandles -- RACSAM -- Radar chart -- Rademacher complexity -- Rademacher distribution -- Rademacher–Menchov theorem -- Rademacher system -- Rademacher's theorem -- Rader's FFT algorithm -- Radial basis function -- Radial basis function interpolation -- Radial basis function network -- Radial function -- Radial set -- Radially unbounded function -- Radian -- Radiation law for human mobility -- Radiative flux -- Radical axis -- Radical extension -- Radical of a Lie algebra -- Radical of a module -- Radical of a ring -- Radical of an algebraic group -- Radical of an ideal -- Radical of an integer -- Radical polynomial -- Radical probabilism -- Radical symbol -- Radicial morphism -- Radio coloring -- Radio navigation -- Radiodrome -- Radius -- Radius (graph theory) -- Radius of convergence -- Radius of curvature -- Radius of gyration -- Radix -- Radix economy -- Radix point -- Rado graph -- Radó–Kneser–Choquet theorem -- Rado's theorem -- Radó's theorem (harmonic functions) -- Rado's theorem (Ramsey theory) -- Radó's theorem (Riemann surfaces) -- Radon measure -- Radon–Nikodym set -- Radon–Nikodym theorem -- Radon–Riesz property -- Radon transform -- Radon's theorem -- Radonifying function --

Raghunatha Siromani -- Ragsdale conjecture -- Raikov's theorem -- Rainbow coloring -- Rainbow-independent set -- Rainbow matching -- Rainville polynomials -- Raised cosine distribution -- Raising and lowering indices -- Raising Genius -- Rajchman measure -- Rake (angle) -- Ramanujam–Samuel theorem -- Ramanujam vanishing theorem -- Ramanujan graph -- Ramanujan Institute for Advanced Study in Mathematics -- Ramanujan Math Park -- Ramanujan Mathematical Society -- Ramanujan–Nagell equation -- Ramanujan–Petersson conjecture -- Ramanujan prime -- Ramanujan–Sato series -- Ramanujan–Soldner constant -- Ramanujan summation -- Ramanujan tau function -- Ramanujan theta function -- Ramanujan's congruences -- Ramanujan's constant -- Ramanujan's lost notebook -- Ramanujan's master theorem -- Ramanujan's sum -- Ramanujan's ternary quadratic form -- Ramer–Douglas–Peucker algorithm -- Ramification -- Ramification (mathematics) -- Ramification group -- Ramification theory of valuations -- Ramified forcing -- Ramism -- Ramp function -- Ramsey cardinal -- Ramsey class -- Ramsey RESET test -- Ramsey theory -- Ramsey-Turán theory -- Ramsey's theorem --

Ran space -- Rand index -- Randić's molecular connectivity index -- Randolph diagram -- Random-access Turing machine -- Random algebra -- Random binary tree -- Random cluster model -- Random coil -- Random compact set -- Random dynamical system -- Random effects estimation -- Random effects model -- Random element -- Random Fibonacci sequence -- Random field -- Random forest -- Random geometric graph -- Random graph -- Random graph theory of gelation -- Random group -- Random matrix -- Random measure -- Random minimum spanning tree -- Random neural network -- Random number -- Random number book -- Random number table -- Random optimization -- Random permutation -- Random permutation statistics -- Random polytope -- Random recursive tree -- Random regular graph -- Random sample consensus -- Random-sampling mechanism -- Random search -- Random self-reducibility -- Random sequence -- Random surfing model -- Random tree -- Random variable -- Random variate -- Random walk -- Random walk closeness centrality -- Random walk hypothesis -- Randomization -- Randomized algorithm -- Randomized algorithms as zero-sum games -- Randomized response -- Randomness -- Randomness extractor -- Randomness merger -- Randomness test -- Range (statistics) -- Range of a function -- Range searching -- Rank (differential topology) -- Rank (graph theory) -- Rank (linear algebra) -- Rank 3 permutation group -- Rank correlation -- Rank error-correcting code -- Rank factorization -- Rank-into-rank -- Rank–nullity theorem -- Rank of a group -- Rank of a partition -- Rank of an abelian group -- Rank of an elliptic curve -- Rank product -- Rank ring -- Rank–size distribution -- Rank-width -- Ranked poset -- Rankin–Cohen bracket -- Rankin–Selberg method -- Rankine–Hugoniot conditions -- Rankine-Hugoniot equation -- Rankine vortex -- Rankine's method -- Ranking -- Rankit -- Ranklet --

Rao–Blackwell theorem -- Raptor code -- Rare disease assumption -- Rarita–Schwinger equation -- Rasch model -- Rasch model estimation -- Rasiowa–Sikorski lemma -- Rastrigin function -- Rata Die -- Rate distortion theory -- Rate function -- Rate of convergence -- Rathjen's psi function -- Ratio -- Ratio distribution -- Ratio estimator -- Ratio of uniforms -- Ratio scale -- Ratio test -- Rational agent -- Rational approximation -- Rational arrival process -- Rational consequence relation -- Rational dependence -- Rational difference equation -- Rational fideism -- Rational function -- Rational homotopy theory -- Rational mapping -- Rational monoid -- Rational normal curve -- Rational normal scroll -- Rational number -- Rational point -- Rational quadratic covariance function -- Rational reciprocity law -- Rational reconstruction (mathematics) -- Rational representation -- Rational root theorem -- Rational sequence topology -- Rational series -- Rational sieve -- Rational singularity -- Rational surface -- Rational variety -- Rational zeta series -- Rationalisation (mathematics) -- Rationality -- Ratnakīrti -- Ratner's theorems --

Rauch comparison theorem -- Rauzy fractal -- Raven paradox -- Ravenel's conjectures -- Raviart–Thomas basis functions -- Raw data -- Raw score -- Ray casting -- Ray class field -- Ray transfer matrix analysis -- Rayleigh dissipation function -- Rayleigh distribution -- Rayleigh–Faber–Krahn inequality -- Rayleigh mixture distribution -- Rayleigh–Plesset equation -- Rayleigh quotient -- Rayleigh quotient iteration -- Rayleigh–Ritz method -- Rayleigh test -- Rayleigh theorem for eigenvalues -- Rayleigh's equation (fluid dynamics) -- Rayleigh's quotient in vibrations analysis -- Raymond Cattell -- Raynaud surface -- Raynaud's isogeny theorem -- Rayo's number -- RBC (code) -- RE (complexity) -- RE-complete -- Reach (mathematics) -- Reachability -- Reaction–diffusion system -- Read-once function -- Read's conjecture -- Real algebraic geometry -- Real analysis -- Real Analysis Exchange -- Real analytic Eisenstein series -- Real closed field -- Real closed ring -- Real computation -- Real coordinate space -- Real element -- Real form (Lie theory) -- Real hyperelliptic curve -- Real number -- Real plane curve -- Real point -- Real projective line -- Real projective plane -- Real projective space -- Real radical -- Real RAM -- Real rank (C*-algebras) -- Real representation -- Real-root isolation -- Real structure -- Real-Time Outbreak and Disease Surveillance -- Real tree -- Real-valued function -- Real variable -- Realcompact space -- Reality -- Reality structure -- Realizability -- Realization (probability) -- Realization (systems) -- Rearrangement inequality -- Reason -- Reasoning system -- Reassignment method --

Recall bias -- Recamán's sequence -- Receiver operating characteristic -- Recession cone -- Reciprocal difference -- Reciprocal distribution -- Reciprocal Fibonacci constant -- Reciprocal gamma function -- Reciprocal lattice -- Reciprocal polynomial -- Reciprocal rule -- Reciprocals of primes -- Reciprocation -- Reciprocity -- Reciprocity (engineering) -- Reciprocity law -- Reckoning board -- Reconstruction conjecture -- Record linkage -- Record value -- Recreational mathematics -- Rectangle -- Rectangle packing -- Rectangular function -- Rectangular lattice -- Rectangular mask short-time Fourier transform -- Rectangulus -- Rectifiable set -- Rectification (geometry) -- Rectified 10-cubes -- Rectified 10-orthoplexes -- Rectified 10-simplexes -- Rectified 120-cell -- Rectified 2 31 polytope -- Rectified 24-cell -- Rectified 24-cell honeycomb -- Rectified 5-cell -- Rectified 5-cubes -- Rectified 5-orthoplexes -- Rectified 5-simplexes -- Rectified 6-cubes -- Rectified 6-orthoplexes -- Rectified 6-simplexes -- Rectified 600-cell -- Rectified 7-cubes -- Rectified 7-orthoplexes -- Rectified 7-simplexes -- Rectified 8-cubes -- Rectified 8-orthoplexes -- Rectified 8-simplexes -- Rectified 9-cubes -- Rectified 9-orthoplexes -- Rectified 9-simplexes -- Rectified Gaussian distribution -- Rectified prism -- Rectified tesseract -- Rectified tesseractic honeycomb -- Rectified truncated cube -- Rectified truncated dodecahedron -- Rectified truncated icosahedron -- Rectified truncated octahedron -- Rectified truncated tetrahedron -- Rectilinear minimum spanning tree -- Rectilinear polygon -- Rectilinear Steiner tree -- Recurrence period density entropy -- Recurrence plot -- Recurrence quantification analysis -- Recurrence relation -- Recurrent event analysis -- Recurrent point -- Recurrent sequence -- Recurrent tensor -- Recurrent word -- Recursion -- Recursion (computer science) -- Recursionism -- Recursive Bayesian estimation -- Recursive definition -- Recursive economics -- Recursive function -- Recursive indexing -- Recursive language -- Recursive largest first algorithm -- Recursive partitioning -- Recursive set -- Recursive tree -- Recursive wave -- Recursively enumerable language -- Recursively enumerable set -- Recursively inseparable sets --

Red auxiliary number -- Red-black tree -- Redescending M-estimator -- Redheffer matrix -- Redheffer star product -- Redshift conjecture -- Reduced chi-squared statistic -- Reduced cost -- Reduced derivative -- Reduced dimensions form -- Reduced homology -- Reduced product -- Reduced residue system -- Reduced ring -- Reduced row echelon form -- Reducible variety -- Reducing subspace -- Reduct -- Reductio ad absurdum -- Reduction -- Reduction (complexity) -- Reduction (mathematics) -- Reduction (recursion theory) -- Reduction of order -- Reduction strategy -- Reductive dual pair -- Reductive group -- Reductive Lie algebra -- Redundancy (information theory) -- Redundant binary representation -- Redundant CORDIC -- Redundant proof --

Ree group -- Reeb foliation -- Reeb graph -- Reeb sphere theorem -- Reeb stability theorem -- Reeb vector field -- Reed–Muller code -- Reed–Muller expansion -- Reed–Solomon error correction -- Reeh–Schlieder theorem -- Rees algebra -- Rees decomposition -- Rees factor semigroup -- Rees matrix semigroup -- Reeve tetrahedron -- Refactorable number -- Reference class forecasting -- Reference class problem -- Refinable function -- Refinement (category theory) -- Refinement (topology) -- Refinement calculus -- Refinement monoid -- Reflected binary code -- Reflected Brownian motion -- Reflecting cardinal -- Reflection (mathematics) -- Reflection formula -- Reflection group -- Reflection lines -- Reflection principle -- Reflection principle (disambiguation) -- Reflection principle (Wiener process) -- Reflection symmetry -- Reflection theorem -- Reflective subcategory -- Reflexive closure -- Reflexive module -- Reflexive operator algebra -- Reflexive relation -- Reflexive sheaf -- Reflexive space -- Reform mathematics --

Regenerative process -- Regev's theorem -- Regge calculus -- Regge–Wheeler–Zerilli equations -- Regina (program) -- Regiomontanus' angle maximization problem -- Region (model checking) -- Region connection calculus -- Regionalized variable theory -- Register machine -- Regnal number -- Regression analysis -- Regression Analysis of Time Series -- Regression dilution -- Regression discontinuity design -- Regression fallacy -- Regression-kriging -- Regression toward the mean -- Regression validation -- Regressive discrete Fourier series -- Regula falsi -- Regular 4-polytope -- Regular cardinal -- Regular category -- Regular chain -- Regular complex polygon -- Regular conditional probability -- Regular constraint -- Regular distribution (economics) -- Regular Division of the Plane -- Regular dodecahedron -- Regular element -- Regular element of a Lie algebra -- Regular embedding -- Regular extension -- Regular Figures -- Regular grammar -- Regular graph -- Regular grid -- Regular Hadamard matrix -- Regular homotopy -- Regular icosahedron -- Regular ideal -- Regular isotopy -- Regular local ring -- Regular map -- Regular map (graph theory) -- Regular matrix -- Regular matroid -- Regular measure -- Regular number -- Regular numerical predicate -- Regular open set -- Regular p-group -- Regular paperfolding sequence -- Regular part -- Regular polygon -- Regular polyhedron -- Regular polytope -- Regular Polytopes (book) -- Regular prime -- Regular representation -- Regular ring -- Regular scheme -- Regular semi-algebraic system -- Regular semigroup -- Regular sequence -- Regular singular point -- Regular skew apeirohedron -- Regular skew polyhedron -- Regular space -- Regular surface -- Regular tuning -- Regularity structure -- Regularity theorem -- Regularity theorem for Lebesgue measure -- Regularization (mathematics) -- Regularization (physics) -- Regularization by spectral filtering -- Regularization perspectives on support vector machines -- Regularized canonical correlation analysis -- Regularized Gamma function -- Regularized least squares -- Regularized meshless method -- Regularly ordered -- Regulated function -- Regulated integral -- Regulus (geometry) --

Reidemeister move -- Reider's theorem -- Reification (statistics) -- Reilly formula -- Reinforcement learning -- Reinhardt cardinal -- Reinhardt domain -- Reisner Papyrus -- Reiss relation -- Rejecta Mathematica -- Rejection sampling -- Related rates -- Relation (mathematics) -- Relation algebra -- Relation composition -- Relation construction -- Relational algebra -- Relational calculus -- Relational dependency network -- Relational developmental systems -- Relational model -- Relational operator -- Relationship between mathematics and physics -- Relationship square -- Relationships among probability distributions -- Relative canonical model -- Relative change and difference -- Relative contact homology -- Relative cycle -- Relative dimension -- Relative effective Cartier divisor -- Relative homology -- Relative interior -- Relative neighborhood graph -- Relative risk -- Relative scalar -- Relative term -- Relatively compact subspace -- Relatively hyperbolic group -- Relativistic Breit–Wigner distribution -- Relativistic chaos -- Relativistic Euler equations -- Relativistic heat conduction -- Relativistic Lagrangian mechanics -- Relativistic quantum mechanics -- Relativistic system (mathematics) -- Relaxation (approximation) -- Relaxation (iterative method) -- Relevance logic -- Relevance vector machine -- Reliability (statistics) -- Reliability theory -- Relief -- Rellich–Kondrachov theorem --

Remainder -- Remak decomposition -- Remarkable cardinal -- Remarks on the Foundations of Mathematics -- Remez algorithm -- Remez inequality -- Remmert–Stein theorem -- Remote point -- Removable singularity -- Renard series -- Rencontres numbers -- Rendezvous problem -- Rendiconti del Seminario Matematico della Università di Padova -- Rendiconti del Seminario Matematico Università e Politecnico di Torino -- Rendiconti di Matematica e delle sue Applicazioni -- Renewal theory -- Renormalization -- Renormalization group -- Rényi entropy -- Rep-tile -- Repdigit -- Repeatability -- Repeated measures design -- Repeated median regression -- Repeating decimal -- Repetition code -- Replacement product -- Replacement theorem -- Replica cluster move -- Replicate (biology) -- Replication (statistics) -- Replicator equation -- Reports on Mathematical Physics -- Representable functor -- Representation (mathematics) -- Representation of a Lie group -- Representation of a Lie superalgebra -- Representation on coordinate rings -- Representation rigid group -- Representation ring -- Representation theorem -- Representation theory -- Representation theory of diffeomorphism groups -- Representation theory of finite groups -- Representation theory of Hopf algebras -- Representation theory of semisimple Lie algebras -- Representation theory of SL2(R) -- Representation theory of SU(2) -- Representation theory of the Galilean group -- Representation theory of the Lorentz group -- Representation theory of the Poincaré group -- Representation theory of the symmetric group -- Representation up to homotopy -- Representations of classical Lie groups -- Representative function -- Representer theorem -- Reproducibility -- Reproducibility Project -- Reproducing kernel Hilbert space -- Reptation Monte Carlo -- Repunit -- Repunit prime --

Resampling (statistics) -- Rescaled range -- Research in Number Theory -- Research Institute for Advanced Studies -- Research Institute for Mathematical Sciences -- Research subject -- Research Synthesis Methods -- Reservoir sampling -- Reshetikhin–Turaev invariant -- Reshetnyak gluing theorem -- Residual -- Residual (numerical analysis) -- Residual intersection -- Residual neural network -- Residual property -- Residual property (mathematics) -- Residual sum of squares -- Residual time -- Residual topology -- Residual variance -- Residually finite group -- Residuated Boolean algebra -- Residuated lattice -- Residuated mapping -- Residue (complex analysis) -- Residue at infinity -- Residue-class-wise affine group -- Residue field -- Residue number system -- Residue theorem -- Resistance distance -- Resistive ballooning mode -- Resolution (algebra) -- Resolution (logic) -- Resolution of singularities -- Resolution proof compression by splitting -- Resolution proof reduction via local context rewriting -- Resolvable space -- Resolvent (Galois theory) -- Resolvent cubic -- Resolvent formalism -- Resolvent set -- Resonance -- Resource bounded measure -- Resource contention -- Resource-dependent branching process -- Resource leak -- Resource selection function -- Response bias -- Response modeling methodology -- Response rate (survey) -- Response surface methodology -- Restricted Boltzmann machine -- Restricted isometry property -- Restricted Lie algebra -- Restricted maximum likelihood -- Restricted partial quotients -- Restricted power series -- Restricted product -- Restricted randomization -- Restricted representation -- Restricted root system -- Restricted sumset -- Restriction (mathematics) -- Resultant -- Results in Mathematics -- Resummation --

Rethinking Mathematics -- Retired number -- Retract (group theory) -- Retraction (topology) -- Retrial queue -- Return period -- Reuleaux polygon -- Reuleaux tetrahedron -- Reuleaux triangle -- Reuschle's theorem -- Reverse Cuthill-McKee algorithm -- Reverse-delete algorithm -- Reverse divisible number -- Reverse lookup -- Reverse mathematics -- Reverse Monte Carlo -- Reverse perspective -- Reverse Polish notation -- Reverse-search algorithm -- Reversed compound agent theorem -- Reversible cellular automaton -- Reversible diffusion -- Reversible-jump Markov chain Monte Carlo -- Reversible reference system propagation algorithm -- Reviews in Mathematical Physics -- Revised simplex method -- Revista Colombiana de Estadística -- Revolutions in Mathematics -- REVSTAT -- Rewrite order -- Rewriting --

Rexer's Annual Data Miner Survey -- Reye configuration -- Reynolds-averaged Navier–Stokes equations -- Reynolds operator -- Reynolds stress -- Reynolds transport theorem -- Rhetoric -- Rhind Mathematical Papyrus -- Rhind Mathematical Papyrus 2/n table -- Rho calculus -- Rhode Island Math League -- Rhombic dodecahedral honeycomb -- Rhombic dodecahedron -- Rhombic enneacontahedron -- Rhombic hectotriadiohedron -- Rhombic hexecontahedron -- Rhombic icosahedron -- Rhombic triacontahedron -- Rhombicosacron -- Rhombicosahedron -- Rhombicosidodecahedral prism -- Rhombicosidodecahedron -- Rhombicuboctahedral prism -- Rhombicuboctahedron -- Rhombidodecadodecahedron -- Rhombille tiling -- Rhombitetraheptagonal tiling -- Rhombitetrapentagonal tiling -- Rhombitriheptagonal tiling -- Rhombitrihexagonal tiling -- Rhombitrioctagonal tiling -- Rhombohedron -- Rhomboid -- Rhombus --

Rhumb line -- Ribbon (mathematics) -- Ribbon category -- Ribbon graph -- Ribbon Hopf algebra -- Ribbon knot -- Ribenboim Prize -- Ribet's lemma -- Ribet's theorem -- Riccati equation -- Ricci calculus -- Ricci curvature -- Ricci decomposition -- Ricci-flat manifold -- Ricci flow -- Ricci soliton -- Rice distribution -- Rice–Shapiro theorem -- Rice's formula -- Rice's theorem -- Ricerche di Matematica -- Richard Aaron -- Richard Rusczyk -- Richard von Mises Prize -- Richard's paradox -- Richards equation -- Richardson Chair of Applied Mathematics -- Richardson extrapolation -- Richardson-Lucy deconvolution -- Richardson's theorem -- Richmond surface -- Rickart space -- Ricker model -- Ricker wavelet --

Ridders' method -- Ridge (differential geometry) -- Ridge detection -- Ridge function -- Ridge regression -- Ridit scoring -- Riemann curvature tensor -- Riemann form -- Riemann–Hilbert correspondence -- Riemann–Hilbert problem -- Riemann–Hurwitz formula -- Riemann hypothesis -- Riemann integral -- Riemann invariant -- Riemann–Lebesgue lemma -- Riemann–Liouville integral -- Riemann manifold -- Riemann mapping theorem -- Riemann Prize -- Riemann problem -- Riemann–Roch theorem -- Riemann–Roch theorem for smooth manifolds -- Riemann–Roch theorem for surfaces -- Riemann–Roch-type theorem -- Riemann series theorem -- Riemann–Siegel formula -- Riemann–Siegel theta function -- Riemann–Silberstein vector -- Riemann solver -- Riemann sphere -- Riemann–Stieltjes integral -- Riemann sum -- Riemann surface -- Riemann–von Mangoldt formula -- Riemann Xi function -- Riemann zeta function -- Riemann's differential equation -- Riemann's minimal surface -- Riemannian circle -- Riemannian connection on a surface -- Riemannian geometry -- Riemannian manifold -- Riemannian metric and Lie bracket in computational anatomy -- Riemannian Penrose inequality -- Riemannian submanifold -- Riemannian submersion -- Riesel number -- Riesel Sieve -- Riesz–Fischer theorem -- Riesz function -- Riesz–Markov–Kakutani representation theorem -- Riesz mean -- Riesz potential -- Riesz projector -- Riesz rearrangement inequality -- Riesz representation theorem -- Riesz sequence -- Riesz space -- Riesz theorem -- Riesz–Thorin theorem -- Riesz transform -- Riesz's lemma --

Rig category -- Rigged Hilbert space -- Right angle -- Right conoid -- Right-continuous filtration -- Right group -- Right half-plane -- Right-hand rule -- Right inverse -- Right kite -- Right prime -- Right quotient -- Right triangle -- Right-truncatable prime -- Rigid analytic space -- Rigid body -- Rigid body dynamics -- Rigid category -- Rigid cohomology -- Rigid graph -- Rigid origami -- Rigid transformation -- Rigidity (K-theory) -- Rigidity (mathematics) -- Rigidity matroid -- Rigorous coupled-wave analysis -- Rijndael MixColumns -- Rijndael S-box -- Ring (mathematics) -- Ring class field -- Ring extension -- Ring homomorphism -- Ring learning with errors -- Ring lemma -- Ring of integers -- Ring of mixed characteristic -- Ring of modular forms -- Ring of polynomial functions -- Ring of sets -- Ring of symmetric functions -- Ring spectrum -- Ring theory -- Ringed space -- Ringed topos -- Ringel–Hall algebra --

Riordan array -- Rippling -- Rips machine -- Risch algorithm -- Rising sun lemma -- Risk -- Risk Analysis (journal) -- Risk assessment -- Risk-based authentication -- Risk function -- Risk-limiting audit -- Risk-neutral measure -- Risk of ruin -- Risk perception -- Risk theory -- Rithmomachia -- Ritz method -- Rivista di Matematica della Università di Parma -- Rivista italiana di economia demografia e statistica -- Rivlin–Ericksen tensor -- Rizza manifold -- RL (complexity) -- RMIT School of Science -- Rng (algebra) -- Road coloring theorem -- ROAM -- Robbins algebra -- Robbins lemma -- Robbins pentagon -- Robbins problem -- Robbins' problem -- Robbins' theorem -- Robert Anton Wilson -- Robert Audi -- Robertson graph -- Robertson–Seymour theorem -- Robertson–Wegner graph -- Robin boundary condition -- Robinson algorithm -- Robinson arithmetic -- Robinson–Schensted correspondence -- Robinson–Schensted–Knuth correspondence -- Robinson's joint consistency theorem -- Robust Bayesian analysis -- Robust control -- Robust fuzzy programming -- Robust geometric computation -- Robust measures of scale -- Robust optimization -- Robust principal component analysis -- Robust regression -- Robust Regression and Outlier Detection -- Robust statistics -- Robustification --

Rocha–Thatte cycle detection algorithm -- Rock paper scissors -- Rocket City Math League -- Rocky Mountain Journal of Mathematics -- Rod (unit) -- Rod calculus -- Rod group -- Roderick Chisholm -- Rodger's method -- Rodrigues' formula -- Rodrigues' rotation formula -- Roe solver -- Rogers polynomials -- Rogers–Ramanujan continued fraction -- Rogers–Ramanujan identities -- Rogers–Szegő polynomials -- Roitman's theorem -- Rokhlin lemma -- Rokhlin's theorem -- Rolf Schock Prizes -- Rolle's theorem -- Romaka Siddhanta -- Roman abacus -- Roman dodecahedron -- Roman numerals -- Roman Opałka -- Roman surface -- Romanesco broccoli -- Romanian Master of Mathematics and Sciences -- Romanian numbers -- Romanov's theorem -- Romanovski polynomials -- Romberg's method --

Ronald Hugh Barker -- Roof pitch -- Roof tiles -- Rook polynomial -- Rook's graph -- Room square -- Root (mathematics) (disambiguation) -- Root datum -- Root extraction -- Root-finding algorithms -- Root locus -- Root mean square -- Root-mean-square deviation -- Root-mean-square deviation of atomic positions -- Root of a function -- Root of unity -- Root of unity modulo n -- Root system -- Root test -- Rooted graph -- Rooted product of graphs -- Rope-burning puzzle -- Ropelength -- Rosati involution -- Rose (mathematics) -- Rose (topology) -- Rose–Vinet equation of state -- Rosenbrock function -- Rosenbrock methods -- Rosenbrock system matrix -- Ross–Fahroo lemma -- Ross–Fahroo pseudospectral method -- Ross' π lemma -- Ross's conjecture -- Rosser's equation -- Rosser's theorem -- Rosser's trick -- Rössler attractor -- Rost invariant --

Rot operator -- Rota–Baxter algebra -- Rota's basis conjecture -- Rota's conjecture -- Rotating calipers -- Rotation -- Rotation (mathematics) -- Rotation around a fixed axis -- Rotation formalisms in three dimensions -- Rotation map -- Rotation matrix -- Rotation number -- Rotation of axes -- Rotation operator -- Rotation system -- Rotational invariance -- Rotational–vibrational coupling -- Rotations and reflections in two dimensions -- Rotations in 4-dimensional Euclidean space -- Roth's theorem -- Rothamsted Experimental Station -- Rothberger space -- Rothe–Hagen identity -- Rotor (mathematics) -- Rotunda (geometry) -- Rouché–Capelli theorem -- Rouché's theorem -- Rough number -- Rough path -- Rough set -- Roulette (curve) -- Round function -- Round number -- Round-off error -- Round robin test -- Roundel -- Rounding -- Rounding Errors in Algebraic Processes -- Roundness -- Rouse Ball Professor of Mathematics -- Rouse History of Mathematics -- Routh–Hurwitz stability criterion -- Routh–Hurwitz theorem -- Routh's theorem -- Routhian mechanics --

Row and column spaces -- Row and column vectors -- Row echelon form -- Row equivalence -- Rowbottom cardinal -- Royal Dutch Mathematical Society -- Royal Spanish Mathematical Society -- Royal Statistical Society -- RP (complexity) -- Rprop -- RRQR factorization -- RSA -- RSA-100 -- RSA-1024 -- RSA-110 -- RSA-120 -- RSA-129 -- RSA-130 -- RSA-140 -- RSA-150 -- RSA-1536 -- RSA-155 -- RSA-160 -- RSA-170 -- RSA-180 -- RSA-190 -- RSA-200 -- RSA-2048 -- RSA-210 -- RSA-220 -- RSA-230 -- RSA-232 -- RSA-240 -- RSA-250 -- RSA-260 -- RSA-270 -- RSA-280 -- RSA-290 -- RSA-300 -- RSA-309 -- RSA-310 -- RSA-320 -- RSA-330 -- RSA-340 -- RSA-350 -- RSA-360 -- RSA-370 -- RSA-380 -- RSA-390 -- RSA-400 -- RSA-420 -- RSA-430 -- RSA-440 -- RSA-450 -- RSA-460 -- RSA-470 -- RSA-480 -- RSA-490 -- RSA-500 -- RSA-576 -- RSA-617 -- RSA-640 -- RSA-704 -- RSA-768 -- RSA-896 -- RSA Award for Excellence in Mathematics -- RSA Factoring Challenge -- RSA numbers -- RSA problem --

Rubik's Cube -- Rubik's Cube group -- Rubik's family cubes of all sizes -- Rubik's Revenge -- Rubin Causal Model -- Rudin–Shapiro sequence -- Rudin's conjecture -- Rudvalis group -- Ruelle zeta function -- Ruffini's rule -- Ruin theory -- Rule complex -- Rule of 72 -- Rule of division (combinatorics) -- Rule of inference -- Rule of marteloio -- Rule of product -- Rule of replacement -- Rule of Sarrus -- Rule of succession -- Ruled join -- Ruled surface -- Ruled variety -- Ruler -- Ruler function -- Rules for the Direction of the Mind -- Rules of passage (logic) -- Rulkov map -- Rumi Numeral Symbols -- Run-length encoding -- Runcic 5-cubes -- Runcic 6-cubes -- Runcic 7-cubes -- Runcicantellated 24-cell honeycomb -- Runcicantellated tesseractic honeycomb -- Runcicantitruncated tesseractic honeycomb -- Runcinated 120-cells -- Runcinated 16-cell honeycomb -- Runcinated 24-cell honeycomb -- Runcinated 24-cells -- Runcinated 5-cell -- Runcinated 5-cubes -- Runcinated 5-orthoplexes -- Runcinated 5-simplexes -- Runcinated 6-cubes -- Runcinated 6-orthoplexes -- Runcinated 6-simplexes -- Runcinated 7-cubes -- Runcinated 7-orthoplexes -- Runcinated 7-simplexes -- Runcinated 8-simplexes -- Runcinated tesseractic honeycomb -- Runcinated tesseracts -- Runcination -- Runcitruncated tesseractic honeycomb -- Runge–Kutta–Fehlberg method -- Runge–Kutta method (SDE) -- Runge–Kutta methods -- Runge's phenomenon -- Runge's theorem -- Running total --

Ruppeiner geometry -- Ruppert's algorithm -- Rupture field -- Russell's paradox -- Russian Mathematical Surveys -- Russo–Dye theorem -- Russo–Vallois integral -- Ruth–Aaron pair -- Ruth I. Michler Memorial Prize -- Ruth Lyttle Satter Prize in Mathematics -- Ruziewicz problem -- Ruzsa–Szemerédi problem -- Ruzzo–Tompa algorithm -- RV coefficient -- Rvachev function -- RYB color model -- Rybicki Press algorithm -- Ryll-Nardzewski fixed-point theorem -- Ryser's conjecture -- Rytz's construction -- Ryu–Takayanagi conjecture --