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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 Andreotti–Norguet formula ： ウィキペディア英語版 Andreotti–Norguet formula The Andreotti–Norguet formula, first introduced by ,〔For a brief historical sketch, see the "historical section" of the present entry.〕 is a higher–dimensional analogue of Cauchy integral formula for expressing the derivatives of a holomorphic function. Precisely, this formula express the value of the partial derivative of any multiindex order of a holomorphic function of several variables,〔Partial derivatives of a holomorphic function of several complex variables are defined as partial derivatives respect to its complex arguments, i.e. as Wirtinger derivatives.〕 in any interior point of a given bounded domain, as a hypersurface integral of the values of the function on the boundary of the domain itself. In this respect, it is analogous and generalizes the Bochner–Martinelli formula,〔See , , and .〕 reducing to it when the absolute value of the multiindex order of differentiation is .〔As remarked in and .〕 When considered for functions of complex variables, it reduces to the ordinary Cauchy formula for the derivative of a holomorphic function:〔As remarked by .〕 however, when , its integral kernel is not obtainable by simple differentiation of the Bochner–Martinelli kernel.〔See the remarks by and .〕 ==Historical note== The Andreotti–Norguet formula was first published in the research announcement :〔As correctly stated by and . cites only the later work which, however, contains the full proof of the formula.〕 however, its full proof was only published later in the paper .〔See .〕 Another, different proof of the formula was given by .〔According to , , and , who does not describe his results in this reference, but merely mentions them.〕 In 1977 and 1978, Lev Aizenberg gave still another proof and a generalization of the formula based on the Cauchy–Fantappiè–Leray kernel instead on the Bochner–Martinelli kernel.〔See , , the references cited in those sources and the brief remarks by and by : each of these works gives Aizenberg's proof.〕 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「Andreotti–Norguet formula」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.