Bing's theorem
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This article is about Bing's theorem on 3-manifolds. For Bing's metrization theorem, see Bing metrization theorem. For Bing's example of a product of non-manifolds, see Bing's example.
In topology, Bing's theorem, named for RH Bing, asserts that a necessary and sufficient condition for a 3-manifold M to be homeomorphic to the 3-sphere is that every Jordan curve in M be contained within a topological ball.
[edit] References
- Bing, RH (1958). "Necessary and sufficient condition that the 3-manifold be S3". Annals of Mathematics 68 (1): 17. doi:.
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