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- 2016
所有τ-刚性模是投射模的代数
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Abstract:
摘要： 给出了某类特殊的代数上利用单模构造不可分解τ-刚性模的方法。并由此得出所有τ-刚性模是投射模的根平方为零的本原的不可分解代数是局部代数。
Abstract: For a special class of algebras, a method on constructing indecomposable τ-rigid modules from simple modules is given. As a result, it is proved that a basic and connected algebra A with radical square zero is local if all τ-rigid A-modules are projective
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