Sets of arithmetical invariants in transfer Krull monoids

被引:18
作者
Geroldinger, Alfred [1 ]
Zhong, Qinghai [1 ]
机构
[1] Graz Univ, NAWI Graz, Inst Math & Sci Comp, Heinrichstr 36, A-8010 Graz, Austria
基金
奥地利科学基金会;
关键词
Krull monoids; Bounded hereditary prime rings; Sets of lengths; Sets of distances; Elasticities; Catenary degrees; DIRECT-SUM DECOMPOSITIONS; FACTORIZATION THEORY; CATENARY DEGREES; DELTA SETS; RINGS; ELASTICITY; DISTANCES; TAMENESS; MODULES; DOMAINS;
D O I
10.1016/j.jpaa.2018.12.011
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Transfer Krull monoids are a recently introduced class of monoids and include the multiplicative monoids of all commutative Krull domains as well as of wide classes of non-commutative Dedekind domains. We show that transfer Krull monoids are fully elastic (i.e., every rational number between 1 and the elasticity of the monoid can be realized as the elasticity of an element). In commutative Krull monoids which have sufficiently many prime divisors in all classes of their class group, the set of catenary degrees and the set of tame degrees are intervals. Without the assumption on the distribution of prime divisors, arbitrary finite sets can be realized as sets of catenary degrees and as sets of tame degrees. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码:3889 / 3918
页数:30
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