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单词 unique factorization domain
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Examples ofunique factorization domain

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Since auniquefactorizationdomainis precisely a ring in which an analogue of the fundamental theorem of arithmetic holds, this question is readily answered.
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This ring is a frequently cited example of an integral domain that is not auniquefactorizationdomain.
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As for every principal ideal domain, is also auniquefactorizationdomain.
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Auniquefactorizationdomainis not necessarily a noetherian ring.
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Thus, a number field has class number 1 if and only if its ring of integers is a principal ideal domain (and thus auniquefactorizationdomain).
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The greatest common divisor may be defined and exists, more generally, for multivariate polynomials over a field or the ring of integers, and also over auniquefactorizationdomain.
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This property of unique factorization is commonly expressed by saying that the polynomial rings over a field or auniquefactorizationdomainare unique factorization domains.
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A third reason is that the theory and the algorithms for the multivariate case and for coefficients in auniquefactorizationdomainare strongly based on this particular case.
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The rings where every irreducible is prime are called unique factorization domains.
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The converse does not hold in general, but does hold for unique factorization domains.
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The fundamental theorem of arithmetic continues to hold in unique factorization domains.
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This led to the study of unique factorization domains, which generalize what was just illustrated in the integers.
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They showed that regular local rings of dimension 3 are unique factorization domains, and had previously shown that this implies that all regular local rings are unique factorization domains.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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更新时间:2025/1/31 13:22:17