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Timeline for Weakly symmetric Frobenius algebras

Current License: CC BY-SA 4.0

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Feb 5, 2021 at 23:11 comment added Mare Thanks, this should show more generally that a selfinjective algebra $A$ with Nakayama permutation $\nu$ has the property that $eAe$ is also selfinjective when $e$ is a sum of primitive orthogonal idempotents that is fixed by $\nu$.
Jan 28, 2021 at 13:48 history edited Matthew Pressland CC BY-SA 4.0
added 33 characters in body
Jan 28, 2021 at 13:17 vote accept Mare
Jan 28, 2021 at 12:28 history answered Matthew Pressland CC BY-SA 4.0