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Let A be a finite dimensional, connected, basic algebra over an algebraically closed field. We prove that A is of finite representation type if and only if there is a natural number m such that rad^m(End(M)) = 0, for any indecomposable A-modules M. This gives a partial answer to one of problems posed by Skowrofiski. 相似文献
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王树桂 《浙江大学学报(理学版)》2006,33(4):365-367
设R=(^A 0 ^M B)是三角矩阵代数,关于倾斜A-模T1,倾斜B-模T2何时能扩充为倾斜R-模的问题已有讨论.本文考察了倾斜R-模在Cokernel函子下是否还是倾斜模的问题.得到了如下结论:如果(X,Y,f)是倾斜R-模,f是单射,则Cok(y)中倾斜B-模.从而给出了单点扩张代数的倾斜模的结构. 相似文献
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