connex
correlation
Euclidean plane
geometral
intermodillion
isometric space
eigenplane
metric
metric function
solid torus
self-dual
plane
sheet
Keller's conjecture
accidental
projectivization
duality
bundle
dual
Thurston's geometrization conjecture
conformal geometry
apolar
projective line
manifold
distance
multidistance
geometrization
Witt group
Zeuthen-Segre invariant
realspace
solid geometry
Klein quadric
projectivity
hyperbolic space
subbase
retraction
Euclidean space
two-dimensional figure
Euclidian space
plane figure
torus
Krein-Milman theorem
descriptive geometry
antiflag
transversality
bidimensional
projective geometry
isodual
quasifield
geometrically