授業の目的 【日本語】 Goals of the Course(JPN) | | 可換環上のイデアルおよび加群の整閉包の理論について理解を深めるため, この授業では関連する諸概念の基本事項を修得し, 2次元正則局所環上の整閉イデアル・整閉加群の理論を学ぶことを目的とする. |
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授業の目的 【英語】 Goals of the Course | | In order to understand the theory of integral closure of ideals and modules over commutative rings, the purpose of this course is to acquire the basics of related concepts and to learn the theory of integrally closed ideals and modules over two-dimensional regular local rings. |
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到達目標 【日本語】 Objectives of the Course(JPN)) | | ・加群の整閉包の定義と基本性質を理解する. ・整閉包や重複度の具体的計算ができる. ・2次元正則局所環上の整閉イデアル・整閉加群の理論を知る. |
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到達目標 【英語】 Objectives of the Course | | - To understand the definition and the basics of integral closure of modules. - To be able to calculate the integral closure and the multiplicity in concrete examples. - To obtain the knowledge about the theory of integrally closed ideals and modules over two-dimensional regular local rings. |
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授業の内容や構成 Course Content / Plan | | 1. 加群の整閉包の定義と基本性質 2. 行列式イデアルと節減 3. 加群の重複度の定義と基本性質 4. 2次元正則局所環上の整閉イデアル・整閉加群の理論 5. 2次元正則局所環上の直既約整閉加群の構成
1. Definition of the integral closure of modules and its basic properties 2. Determinantal ideals and reductions 3. Definition of the multiplicity of modules and its basic properties 4. Theory of integrally closed modules over two-dimensional regular local rings 5. Construction of indecomposable integrally closed modules over two-dimensional regular local rings |
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履修条件 Course Prerequisites | | 可換環, イデアル, 加群に関する基礎概念と基本性質は仮定します.
This course will be taught in Japanese. |
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関連する科目 Related Courses | | |
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成績評価の方法と基準 Course Evaluation Method and Criteria | | 授業中に出す演習問題のレポートで評価する. 加群の整閉包と関連する諸概念について正しく理解し, 具体例の計算ができることを合格の基準とする. |
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教科書・テキスト Textbook | | |
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参考書 Reference Book | | (1) Craig Huneke and Irena Swanson, "Integral closure of ideals, rings and modules", London Mathematical Society Lecture Note Series 336, Cambridge University Press, 2006 (2) Wolmer Vasconcelos, "Integral closure. Rees algebras, multiplicities, algorithms", Springer Monographs in Mathematics, Springer-Verlag, 2005 |
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課外学習等(授業時間外学習の指示) Study Load(Self-directed Learning Outside Course Hours) | | 授業内容を復習し, 授業中に出す演習問題に取り組むこと. |
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注意事項 Notice for Students | | |
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他学科聴講の可否 Propriety of Other department student's attendance | | |
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他学科聴講の条件 Conditions of Other department student's attendance | | |
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レベル Level | | |
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キーワード Keyword | | |
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履修の際のアドバイス Advice | | |
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授業開講形態等 Lecture format, etc. | | |
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遠隔授業(オンデマンド型)で行う場合の追加措置 Additional measures for remote class (on-demand class) | | |
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