What does integral element mean?

Definitions for integral element
in·te·gral el·e·ment

This dictionary definitions page includes all the possible meanings, example usage and translations of the word integral element.

Wikipedia

  1. Integral element

    In commutative algebra, an element b of a commutative ring B is said to be integral over A, a subring of B, if there are n ≥ 1 and aj in A such that b n + a n − 1 b n − 1 + ⋯ + a 1 b + a 0 = 0. {\displaystyle b^{n}+a_{n-1}b^{n-1}+\cdots +a_{1}b+a_{0}=0.} That is to say, b is a root of a monic polynomial over A. The set of elements of B that are integral over A is called the integral closure of A in B. It is a subring of B containing A. If every element of B is integral over A, then we say that B is integral over A, or equivalently B is an integral extension of A. If A, B are fields, then the notions of "integral over" and of an "integral extension" are precisely "algebraic over" and "algebraic extensions" in field theory (since the root of any polynomial is the root of a monic polynomial). The case of greatest interest in number theory is that of complex numbers integral over Z (e.g., 2 {\displaystyle {\sqrt {2}}} or 1 + i {\displaystyle 1+i} ); in this context, the integral elements are usually called algebraic integers. The algebraic integers in a finite extension field k of the rationals Q form a subring of k, called the ring of integers of k, a central object of study in algebraic number theory. In this article, the term ring will be understood to mean commutative ring with a multiplicative identity.

Wikidata

  1. Integral element

    In commutative algebra, an element b of a commutative ring B is said to be integral over A, a subring of B, if there is an n ≥ 1 and such that That is to say, b is a root of a monic polynomial over A. If every element of B is integral over A, then it is said that B is integral over A, or equivalently B is an integral extension of A. If A, B are fields, then the notions of "integral over" and of an "integral extension" are precisely "algebraic over" and "algebraic extensions" in field theory. The special case of greatest interest in number theory is that of complex numbers integral over Z; in this context, they are usually called algebraic integers. A ring consisting of the algebraic integers of a finite extension field k of the rationals Q is called the ring of integers of k, a central object in algebraic number theory. The set of elements of B that are integral over A is called the integral closure of A in B. It is a subring of B containing A. In this article, the term ring will be understood to mean commutative ring with a unity.

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Numerology

  1. Chaldean Numerology

    The numerical value of integral element in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of integral element in Pythagorean Numerology is: 7


Translations for integral element

From our Multilingual Translation Dictionary

  • عنصر لا يتجزأArabic
  • integreret elementDanish
  • αναπόσπαστο στοιχείοGreek
  • عنصر یکپارچهPersian
  • élément intégralFrench
  • अभिन्न तत्वHindi
  • 필수 요소Korean
  • integraal elementDutch

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"integral element." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/integral+element>.

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