Canadian Journal of Mathematics |
Загальні терміни та фрази
abelian group angle bijective centrally compatible centrally symmetric commutative cones Cx connected contains convex Corollary corresponding CW complex cycle d-polytope decreasing rearrangement defined definition denote direct sum domain Dreieck element elliptischen endomorphism equivalent exact couple exists exterior product Fuchsian groups function Gap Theorem geometry given graph great-circle H. S. M. Coxeter Hence homomorphism honeycomb hyperbolischen hypothesis inductive inequality infinite integer interior intersects interval inversive isomorphism j-faces Kette Lemma locally finite CW Math morphism natural morphism NEC groups necessary and sufficient non-negative one-to-one Orthoschem p-mixed groups pairs parallel permutation plane polynomial polytopes positive integer proof prove pseudo-interval pseudo-lines pseudo-point pseudovaluation quasi-metric quotient space rechtwinkliges satisfies sequence signature g sphere spherical subgroup Suppose surjective Theorem topology transformation triangle two-term condition vectors vertex figure vertices W-element zero zonotope