Poincaré conjecture

Angol

Poincaré conjecture (tsz. Poincaré conjectures)

v t e topology
fields	general (point-set) algebraic combinatorial continuum differential geometric low-dimensional homology cohomology set-theoretic digital	computer graphics rendering of a klein bottle
key concepts	open set / closed set interior continuity space compact connected hausdorff metric uniform homotopy homotopy group fundamental group simplicial complex cw complex polyhedral complex manifold bundle (mathematics) second-countable space cobordism
Metrics and properties	Euler characteristic Betti number Winding number Chern number Orientability
Key results	Banach fixed-point theorem De Rham cohomology Invariance of domain Poincaré conjecture Tychonoff's theorem Urysohn's lemma
Category Wikibook Wikiversity Topics general algebraic geometric Publications