On the Elasticities of Krull Domains with Finite Cyclic Divisor Class Group
作者:
David F. Anderson,
Scott T. Chapman,
期刊:
Communications in Algebra
(Taylor Available online 2000)
卷期:
Volume 28,
issue 5
页码: 2543-2553
ISSN:0092-7872
年代: 2000
DOI:10.1080/00927870008826977
出版商: Gordon and Breach Science Publishers Ltd.
数据来源: Taylor
摘要:
LetRbe a Krull domain with finite divisor class group Cl(R).We coinsider possible values of ρ(R), the elasticity of factorizations ofR. We first determine an upper bound on ρ(R) based on the distribution of height-one prime ideals in Cl(R) and characterize when his upper bound is attained. We concentrate on the case, wherepis a prime, and determine further bounds on ρ(R) whenk=1 (i.e., Cl(R= Zp). Unlike a related analysis for the cross number of Zpk, we show that the elasticities of such domains do not take on a complete set of hypothesized values.
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