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On feckly clean rings

机译:在雀斑干净的戒指上

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摘要

A ring R is feckly clean provided that for any a is an element of R there exists an element e is an element of R and a full element u is an element of R such that a = e + u, eR(1 - e) subset of J(R). We prove that a ring R is feckly clean if and only if for any a is an element of R, there exists an element e is an element of R such that V (a) subset of V (e), V (1 - a) subset of V (1 - e) and eR(1 - e) subset of J(R), if and only if for any distinct maximal ideals M and N, there exists an element e is an element of R such that e is an element of M, 1 - e is an element of N and eR(1 - e) subset of J(R), if and only if J-spec(R) is strongly zero-dimensional, if and only if Max(R) is strongly zero-dimensional and every prime ideal containing J(R) is contained in a unique maximal ideal. More explicit characterizations are also discussed for commutative feckly clean rings.
机译:环R可以清洁干净,只要对于任何a是R的元素,都存在一个元素e是R的元素,并且完整元素u是R的元素,使得a = e + u,eR(1- e) J(R)的子集。我们证明,当且仅当对于任何a是R的元素,存在一个元素e是R的元素,使得V(e)是V(e),V(1-a )J(R)的V(1- e)和eR(1- e)子集,当且仅当对于任何不同的最大理想M和N,存在一个元素e是R的元素,使得e为M的元素,1-e是J(R)的N和eR(1- e)子集的元素,当且仅当J-spec(R)是强零维的,并且且仅当Max(R )是强零维的,并且每个包含J(R)的素理想都包含在唯一的最大理想中。还讨论了交换性雀斑清洁环的更明确的表征。

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