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Push-out of Schemes
http://hdl.handle.net/2261/22025
http://hdl.handle.net/2261/220250076db94-415b-4953-87b4-1ee1c7df9ab8
名前 / ファイル | ライセンス | アクション |
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jms140403.pdf (267.6 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2009-01-05 | |||||
タイトル | ||||||
タイトル | Push-out of Schemes | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
著者 |
Li, Kezheng
× Li, Kezheng |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We study the existence of a push-out for two morphisms $Z \to X$ and $Z \to Y$ in the category of schemes. Push-out is a generalization of quotient of groupoid. We give a necessary and sufficient condition for the existence of a push-out in the flat projective case. We also give a sufficient condition for the existence of a push-out in the finite normal case, which does not assume any flatness. In particular, this gives a sufficient condition for the existence of a quotient of a finite groupoid on a normal scheme, which does not assume any flatness. | |||||
書誌情報 |
Journal of mathematical sciences, the University of Tokyo 巻 14, 号 4, p. 531-565, 発行日 2007-12-28 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13405705 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11021653 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
日本十進分類法 | ||||||
主題 | 415 | |||||
主題Scheme | NDC | |||||
Mathmatical Subject Classification | ||||||
14A15(MSC2000) | ||||||
Mathmatical Subject Classification | ||||||
14D22(MSC2000) | ||||||
出版者 | ||||||
出版者 | Graduate School of Mathematical Sciences, The University of Tokyo | |||||
原稿受領日 | ||||||
2004-10-20 |