Poincaré space
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English[edit]
Noun[edit]
Poincaré space (plural Poincaré spaces)
- (topology) An n-dimensional topological space with a distinguished element µ of its nth homology group such that taking the cap product with an element of the kth cohomology group yields an isomorphism to the (n − k)th cohomology group.
- Any closed, orientable, connected manifold is a Poincaré space.