V2EX homomorphic

Homomorphic

释义 Definition

同态的;保结构对应的(数学/计算机):指两个结构之间存在一种“保持运算/关系不变”的映射或对应关系。最常见于代数(群、环、向量空间等)与计算机科学(如同态加密)。(在不同领域也可能有更具体的技术含义。)

发音 Pronunciation (IPA)

/hommr.fk/

例句 Examples

A homomorphic function preserves addition.
同态函数会保持加法运算不变。

In homomorphic encryption, computations on encrypted data correspond to meaningful operations on the original plaintext.
在同态加密中,对密文进行计算会对应到对原始明文的有意义运算。

词源 Etymology

来自希腊语成分:**homo-**(“相同”)+ **-morph-**(“形状/形式”)+ 形容词后缀 -ic。字面意思接近“同形的”,在数学里引申为“在结构上保持对应关系的”。

相关词 Related Words

文学与名著用例 Literary Works

  • Abstract Algebra(Dummit & Foote):讨论群/环等结构的同态与相关定理时频繁出现(如“homomorphic image”“homomorphic to”)。
  • Algebra(Michael Artin):在代数结构与映射章节中使用“homomorphic/homomorphism”描述保结构映射。
  • A Course in Abstract Algebra(John B. Fraleigh):介绍群同态、核与像等基础概念时出现该词。
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