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广义幂级数上的GPP-环
引用本文:杨晓燕.广义幂级数上的GPP-环[J].河西学院学报,2004,20(5):7-10.
作者姓名:杨晓燕
作者单位:西北师范大学数学与信息科学学院,甘肃,兰州,730070
摘    要:设R是交换环,(S,≤)是严格全序幺半群.本文证明了:(1)广义幂级数环RS,≤]]是强GPP-环当且仅当R是强GPP-环,且B(R)(R的所有幂等元的集合)的任意S-加标子集C在B(R)中有最小下界.(2)如果(S,≤)满足条件:任意S∈S,s≥0,则环RS,≤]]是弱GPP-环当且仅当R是弱GPP-环.

关 键 词:广义幂级数环  强GPP-环  弱GPP-环

GPP-rings of generalized power series
YANG Xiao-yan.GPP-rings of generalized power series[J].Journal of Hexi University,2004,20(5):7-10.
Authors:YANG Xiao-yan
Institution:Northwest Normal University Department of Mathematics Gansu Lanzhou 730070
Abstract:Let be a commutative ring and a strictly totally ordered monoid.In this paper we prove that the ring ]] of generalized power series is a strongly ring if and only if is a strongly ring and every -indexed subset of (the set of all idempotents of )has a least upper bound in ,and if also satisfied the condition that for any .then the ring ]] is weakly ring if and only if is weakly ring.
Keywords:ring of generalized power series  strongly ring  weakly ring
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