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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 Noether's theorem on rationality for surfaces ： ウィキペディア英語版 Noether's theorem on rationality for surfaces In mathematics, Noether's theorem on rationality for surfaces is a classical result of Max Noether on complex algebraic surfaces, giving a criterion for a rational surface. Let ''S'' be an algebraic surface that is non-singular and projective. Suppose there is a morphism φ from ''S'' to the projective line, with ''general fibre'' also a projective line. Then the theorem states that ''S'' is rational.〔http://www.springerlink.com/content/k855808570108741/fulltext.pdf?page=1〕 ==See also== *Hirzebruch surface *List of complex and algebraic surfaces 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「Noether's theorem on rationality for surfaces」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.