affine geometry
Euclideanism
metageometry
metageometrician
imaginary geometry
differentiable manifold
Euclidian space
non-Euclidean geometry
absolute geometry
taxicab geometry
Riemannian geometry
elliptic geometry
Riemann
Bernhard Riemann
Georg Friedrich Bernhard Riemann
hyperbolic space
Cartesian space
hyperbolic geometry
Euclid's axiom
Euclid's postulate
n space
Euclidean axiom
tropical geometry
geometrization
Cartesian distance
noneuclidean geometry
flat
quasifield
root system
compact space
solid torus
regular grid
manifold
Euclidean plane
hypocube
Euclideanness
Riemann space
pseudomanifold
pseudometric space
semi-metric space
simplex
point
quantum
affine differential geometry
analytic geometry
Plücker coordinate
curvature
mean proportional
plane curve
Klein geometry