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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 Reiss relation ： ウィキペディア英語版 Reiss relation In algebraic geometry, the Reiss relation, introduced by , is a condition on the second-order elements of the points of a plane algebraic curve meeting a given line. ==Statement== If ''C'' is a complex plane curve given by the zeros of a polynomial ''f''(''x'',''y'') of two variables, and ''L'' is a line meeting ''C'' transversely and not meeting ''C'' at infinity, then :$\backslash sum\backslash fracf\_xf\_y+f\_f\_x^2\}=0$ where the sum is over the points of intersection of ''C'' and ''L'', and ''f''''x'', ''f''''xy'' and so on stand for partial derivatives of ''f'' . This can also be written as :$\backslash sum\backslash frac=0$ where κ is the curvature of the curve ''C'' and θ is the angle its tangent line makes with ''L'', and the sum is again over the points of intersection of ''C'' and ''L'' . 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「Reiss relation」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.