I am a German mathematician.
my German page
editcreated pages /contributions to pages
edit- Möbius plane (new version)
- Laguerre plane
- Minkowski plane
- Benz plane
- Quadratic set
- Quadric (projective geometry)
- Steiner's theorem -> Steiner conic
- intersection point -> Intersection (Euclidean geometry)
- intersection curve
- Bundle theorem
- Surface triangulation
- Implicit curve
- Implicit surface
- Orthoptic (geometry)
- Dupin cyclide (essentially extended)
- Channel surface (new version)
- Conoid (new version)
- Generalized helicoid
- Ovoid
- Oval (German translation inserted)
- Segre's theorem
- Qvist's theorem
- Karl Wilhelm Pohlke (new version)
- Pohlke's theorem
- Parabola (major revision)
- Hyperboloid (revision)
- Paraboloid (revision)
- Ellipsoid (pictures and section "plane sections"
- Cardioid (major revision)
- Nephroid (revision)
- Hyperbola (major revision)
- Ellipse (new version)
- Rytz's construction (new version)
- David Rytz
- Parallel projection (new version)
- Axonometry
- Confocal conic sections
- Circular section
- Isophote
- Orthogonal trajectory (new version)
- Parallel curve (material and pictures added)
- Involute (new version)
- Evolute (new version)
- Semicubical parabola (new version)
- Zindler curve
- Ruled surface (new version)
- Steinmetz solid (revision)
- Translation surface (differential geometry)
- Steiner ellipse (new version)
- Inellipse
- Pappus's hexagon theorem (major revision and material added)
- Fermat's spiral (revision and material added)
- Spiral (sections "Two-dimensional" and "Three-dimensional" new)
- Hyperbolic spiral (new version)
- Conical spiral
- Clelia curve (new version)
- Viviani's curve (new version)
- Section Curves on a sphere added
- Focal conics
- Focal surface (revision)
- Dupin's theorem
- Barycentric coordinate system new version in the works, removed after unfriendly interference
- Power of a point new version
- Radical axis new version
- Area (geometry): List of formulas new
- Shoelace formula new version
- Homothety new version
- Varignon frame from stub to an article
created images
editlinks
editBarnstar
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The Graphic Designer's Barnstar |
| great figures in Implicit curve! fgnievinski (talk) 02:21, 21 August 2015 (UTC) |