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Questions about the branch of algebra that deals with groups.

2 votes
1 answer
181 views

Inequivalence of group representations preserved under tensor product?

Let $G$ be either a finite group or a Lie group. Let $r_1$ and $r_2$ be two linear representations of $G$. $r_1$ is an ordinary representation but $r_2$ may be projective. Is there a criterion to d …
Matt Hastings's user avatar