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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Simplicial homotopy ： ウィキペディア英語版 Simplicial homotopy In algebraic topology, a simplicial homotopy is an analog of a homotopy between topological spaces for simplicial sets. If :$f,\; g:\; X\; \backslash to\; Y$ are maps between simplicial sets, a simplicial homotopy from ''f'' to ''g'' is a map :$h:\; X\; \backslash times\; \backslash triangle^\; \backslash to\; Y$ such that the obvious diagram (see ()) formed by ''f'', ''g'' and ''h'' commute; the key is to use the diagram that results in $f(x)\; =\; h(x,\; 0)$ and $g(x)\; =\; h(x,\; 1)$ for all ''x'' in ''X''. == See also == *Dold–Kan correspondence (under which a chain homotopy corresponds to a simplicial homotopy) 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「Simplicial homotopy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.