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RATIONAL RINGS RELATED TO WEAKLY TRANSITIVE TORSION-FREE ABELIAN GROUPS

机译:与弱传递扭转无阿贝尔群相关的有理环

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摘要

We study subgroups R of the rational numbers Q having the property that for every pair of integers m, n such that gcd(m, n) = 1 and gcd(m, p) = gcd(n, p) = 1 whenever p is in the spectrum of R there is a unit u of R and an element r is an element of R such that un + rm - 1. These rings are closely related to weakly transitive separable groups. We prove that the property is dependent on the spectrum of the rational group in question and that the spectrum may be very complicated.
机译:我们研究有理数Q的子群R,其具有以下性质:对于每对整数m,n,使得gcd(m,n)= 1且gcd(m,p)= gcd(n,p)= 1,只要p为在R的光谱中,存在R的单位u,元素r是R的元素,使得un + rm-1。这些环与弱传递可分离基团密切相关。我们证明了该性质取决于所讨论的有理群的频谱,并且该频谱可能非常复杂。

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