Blar i NTNU Open på forfatter "Toft, Tea"
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Auslander-Reiten components containing modules of finite complexity
Toft, Tea (Master thesis, 2011)Let R be a connected selfinjective Artin algebra. We prove that any almost split sequence ending at an Omega-perfect R-module of finite complexity has at most four non-projective summands in a chosen decomposition of the ...