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Search options not deleted user 121261

This tag is used if a reference is needed in a paper or textbook on a specific result.

2 votes
0 answers
244 views

Adjugates and topological proof the Cayley-Hamilton Theorem [closed]

Let $F$ be a field, for $H \in M_{k \times k}(F)$, let $H^*$ be the adjugate matrix of $H$. (Where the adjugate $H^*$ is the transpose of the matrix of cofactors of $H$.) I am trying to prove the fo …
David Watson's user avatar
5 votes
1 answer
152 views

Group rings over central products

I have a proof of the following result but I was wondering if anyone had a reference for it. I have asked on math.stackexchange here but didn't receive any replies. Let $G$ a finite group given by th …
David Watson's user avatar