A characterization of endotrivial modules over p-groups |
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| Authors: | Jon F. Carlson |
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| Affiliation: | (1) Department of Mathemtics, University of Georgia, Athens, GA 30602, USA. e-mail: jfc@sloth.math.uga.edu, US |
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| Abstract: | ![]()
Let P be a finite p-group, and let k a field of characteristic p>0. We prove that a finietly generated kG-module M is endotrivial if and only if where PHom (-,-) is the set of endomorphisms which factor through projective modules. Received: 23 January 1998 |
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| Keywords: | Mathematics Subject Classification (1991):20C20 |
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