V2EX noetherian ring

Noetherian Ring

释义 Definition

诺特环:指满足“升链条件”(Ascending Chain Condition, ACC)的环。等价地说,它的每个理想都有限生成;也等价于任意递增的理想链最终稳定不再严格变大。此概念在交换代数与代数几何中非常核心。(通常默认讨论交换环,但也可在更一般的环上定义。)

发音 Pronunciation (IPA)

/noθrin r/

例句 Examples

A polynomial ring in finitely many variables over a field is a Noetherian ring.
含有限个变量的域上的多项式环是诺特环。

In algebraic geometry, working over a Noetherian ring ensures many constructions (like taking ideals, quotients, and spectra) behave in a finitary way and avoid infinite ascending chains.
在代数几何中,在诺特环上工作能保证许多构造(如取理想、商环与谱)具有“有限性”的良好性质,并避免出现无限递增的理想链。

词源 Etymology

Noetherian 来自德国数学家 Emmy Noether(埃米诺特) 的姓氏 Noether 加上形容词后缀 -ian,表示“与诺特有关的/由诺特思想引出的”。“诺特环”这一术语强调以诺特提出与推动的有限生成与链条件思想为核心的环论性质。

相关词 Related Words

文学与经典著作 Literary Works

  • Introduction to Commutative Algebra(Atiyah & Macdonald)
  • Commutative Algebra with a View Toward Algebraic Geometry(David Eisenbud)
  • Commutative Ring Theory(Hideyuki Matsumura)
  • Algebraic Geometry(Robin Hartshorne)
  • Algebra(Serge Lang)
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