V2EX prime polynomial

Prime Polynomial

释义 Definition

素多项式 / “质”多项式:在给定的代数结构(如某个域或环)中,指一个不能被分解为更低次数的非单位多项式乘积、并在相应意义下表现为“质”的多项式。
在很多常见情境(尤其在上的多项式环里),它通常等同于不可约多项式(irreducible polynomial);而在更一般的环中,“prime”与“irreducible”可能需要区分(取决于环是否满足唯一分解等性质)。

发音 Pronunciation (IPA)

/pram plnmil/

例句 Examples

A prime polynomial over a finite field cannot be factored into lower-degree polynomials.
有限域上的素多项式不能分解为更低次数多项式的乘积。

In coding theory, choosing a prime polynomial is crucial because it can generate a field extension with desirable arithmetic properties.
在编码理论中,选择一个素多项式很关键,因为它可以生成具有良好运算性质的域扩张。

词源 Etymology

prime 源自拉丁语 primus(“第一、最主要的”),在数学中引申为“基本的、不可再分的(质的)”。polynomial 由 *poly-*(“多”)与 nomial(与“项/名称”相关)构成,表示“多项”。组合成 prime polynomial,用于描述在某种代数体系下“不可再分”的多项式对象。

相关词 Related Words

文学与经典著作 Literary Works

  • Finite Fields(Rudolf Lidl & Harald Niederreiter)
  • Introduction to Finite Fields and Their Applications(Rudolf Lidl & Harald Niederreiter)
  • Algebra(Michael Artin)
  • Abstract Algebra(David S. Dummit & Richard M. Foote)
  • Algebraic Function Fields and Codes(Henning Stichtenoth)
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