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Vietoris–Begle mapping theorem : ウィキペディア英語版 | Vietoris–Begle mapping theorem The Vietoris–Begle mapping theorem is a result in the mathematical field of algebraic topology. It is named for Leopold Vietoris and Edward G. Begle. The statement of the theorem, below, is as formulated by Stephen Smale. ==Theorem== Let and be compact metric spaces, and let be surjective and continuous. Suppose that the fibers of are acyclic, so that : for all and all , with denoting the th reduced homology group. Then, the induced homomorphism : is an isomorphism for and a surjection for .
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Vietoris–Begle mapping theorem」の詳細全文を読む
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