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Results tagged with rt.representation-theory
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user 64404
Linear representations of algebras and groups, Lie theory, associative algebras, multilinear algebra.
3
votes
Accepted
symmetric 2-cocycle / many projective representations
I will answer your second question.
By generalized Maschke theorem the twisted group algebras $\mathbb{C}^fG$ are all semi-simple and the number of simple components is the number of the irreducible p …
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