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Results tagged with rt.representation-theory
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user 165646
Linear representations of algebras and groups, Lie theory, associative algebras, multilinear algebra.
1
vote
0
answers
123
views
Irreducible projective representations of finite abelian groups
I want to know if there is a description of all irreducible complex projective representations of an arbitrary finite abelian group. I have seen this for particular cases such as those given here and …
- 249
5
votes
1
answer
368
views
Simple component that is not a two-sided ideal
Suppose $R$ is a semisimple ring and if $L$ is a minimal left ideal. Let $B$ be the direct sum of all minimal left ideals isomorphic to $L$ ($B$ is called a simple component corresponding to $L$). It …
- 249
4
votes
1
answer
266
views
Wedderburn decomposition of special linear groups
$\DeclareMathOperator\SL{SL}\newcommand\card[1]{\lvert#1\rvert}$I want to study about Wedderburn decomposition of group algebra $k\SL(n,\mathbb{F}_p)$ where $k$ is either an algebraically closed field …
- 249