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Questions about the properties of vector spaces and linear transformations, including linear systems in general.

3 votes

Central idempotents from characters in Frobenius algebras (generalizing Lusztig arXiv:math/0...

I think you should check out Chapter 7 of Geck and Pfeiffer's book "Characters of Finite Coxeter Groups and Iwahori-Hecke Algebras". There, many properties of symmetric algebras are worked out in quit …
Jay Taylor's user avatar
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1 vote
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Degenerate representation

Suppose $V = \mathbb{R}^n$ has a basis $(e_1,\dots,e_n)$. Your assumption is that you have a family of linear maps $\lambda_1,\dots,\lambda_m \in V^*$ which are defined such that $\lambda_r(e_i) = \la …
Jay Taylor's user avatar
  • 2,902