On the number of terms in the middle of almost split sequences over cycle-finite artin algebras
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Abstract
We prove that the number of terms in the middle of an almost split sequence in the module category of a cycle-finite artin algebra is bounded by 5.
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Auslander-Reiten quiver, almost split sequence, cycle-finite algebra
Citation
Central European Journal of Mathematics 12 (2014), no. 1, 39--45.