V2EX commutative algebra

Commutative Algebra

定义 Definition

交换代数(commutative algebra):数学中研究交换环及其理想、模等代数结构的分支,常与代数几何紧密相关(例如通过环的素谱来研究几何对象)。在交换代数里,环的乘法满足交换律:\(ab=ba\)。

发音 Pronunciation (IPA)

/kmjuttv ldbr/

例句 Examples

Commutative algebra studies ideals in commutative rings.
交换代数研究交换环中的理想。

Tools from commutative algebra, such as localization and Noetherian conditions, are essential in modern algebraic geometry.
交换代数中的工具(如局部化与诺特条件)在现代代数几何中至关重要。

词源 Etymology

commutative 源自拉丁语 commutare(意为“交换、互换”),在数学里指“可交换的”,即运算顺序不影响结果(如 \(ab=ba\))。algebra 源自阿拉伯语 al-jabr(意为“复原、重组”),后来成为“代数”的名称。合起来,commutative algebra 字面即“研究可交换代数结构的学科”,通常特指以交换环为核心的理论体系。

相关词 Related Words

文学与经典著作 Literary Works

  • Introduction to Commutative Algebra M. F. Atiyah & I. G. Macdonald
  • Commutative Algebra with a View Toward Algebraic Geometry David Eisenbud
  • Commutative Ring Theory Hideyuki Matsumura
  • Commutative Algebra Nicolas Bourbaki
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