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arxiv: 1803.01827 · v1 · pith:2IJ4PSEVnew · submitted 2018-03-05 · 🧮 math.RT

On reflexive simple modules in Artin algebras

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keywords algebrasreflexivealgebraartineverymoduleonlyquestion
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Let $A$ be an Artin algebra. It is well known that $A$ is selfinjective if and only if every finitely generated $A$-module is reflexive. In this article we pose and motivate the question whether an algebra $A$ is selfinjective if and only if every simple module is reflexive. We give a positive answer to this question for large classes of algebras which include for example all Gorenstein algebras and all QF-3 algebras.

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