半群环的Krull性质

Ryuki Matsuda
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引用次数: 8

摘要

ΣaαXα对于aα∈D和α∈G几乎所有的aα都是零。不同的代数性质研究了不同作者([1]、[3]、[4]、[5],[8],[9],[10],[11],[12],[13],[14],[15],[16]等)。本文研究了群环D[X;G]的Krull性质。设K是D的商域,设F={Vλ;λ∈Λ}是K的一组赋值环。我们关注F上的下列性质:(E1) D=∩{Vλ;λ∈Λ};(E2)每个Vλ为秩1离散;(E2)每个Vλ的秩为1;(E2)”每个Vλ是一个有理数值赋值环;(E3) F具有有限的特征,即如果0≠x∈K,则x在F中的有限多个赋值环中是非单位的;
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Krull Properties of Semigroup Rings
ΣaαXα for aα∈D and α∈G almost all aα are zero. Various algebraic properties have been studied by various authors ([1],[3],[4],[5],[8],[9],[10],[11],[12], [13],[14],[15],[16] etc.). We concern Krull properties of the group ring D[X;G] in this paper. Let K be the quotient field of D and let F={Vλ;λ ∈ Λ} be a set of valuation rings of k. We concern following properties on F: (E1) D=∩{Vλ;λ ∈Λ}; (E2) Each Vλ is rank 1 discrete; (E2)' Each Vλ has rank 1; (E2)" Each Vλ is a rational number valued valuation ring; (E3) F has finite character-that is, if 0≠x∈K, then x is a nonunit in only finitely many of the valuation rings in F;
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