【摘要】 讨论了模M的τ–挠根Tτ(M)的结构。利用Tτ(M)作为模M的τ–纯子模的最小性得出结论:Tτ(M)为M的所有τ–纯子模的交。更多还原

【Abstract】 This paper discusses the problem of the structure of τ –torsion radical Tτ(M).Depending on the theory that τ –torsion radical Tτ(M) of M which is the minimum τ –pure submodule,it draw the conclusion: Tτ(M)is the intersection of all the τ –pure submodules of M.更多还原