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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 Suspension of a ring ： ウィキペディア英語版 Suspension of a ring In algebra, more specifically in algebraic K-theory, the suspension $\backslash Sigma\; R$ of a ring ''R'' is given by〔Weibel, III, Ex. 1.15〕 $\backslash Sigma(R)\; =\; C(R)/M(R)$ where $C(R)$ is the ring of all infinite matrices with coefficients in ''R'' having only finitely many nonzero elements in each row or column and $M(R)$ is its ideal of matrices having only finitely many nonzero elements. It is an analog of suspension in topology. One then has: $K\_i(R)\; \backslash simeq\; K\_(\backslash Sigma\; R)$. == References == * C. Weibel "(The K-book: An introduction to algebraic K-theory )" 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「Suspension of a ring」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.