User:Ag2gaeh

I am a German mathematician.

my German page
Benutzer:Ag2gaeh

created pages /contributions to pages

 * 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

 * images

links

 * mathematics portal
 * portal:geometry
 * user:ag2gaeh/playground
 * list of circle topics