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Results tagged with rt.representation-theory
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user 51325
Linear representations of algebras and groups, Lie theory, associative algebras, multilinear algebra.
3
votes
2
answers
522
views
Algebraic Groups, Modules, and Comodules
Background:
Let $H$ be a finitely generated commutative Hopf $k$-algebra, where $k$ is a field of non-zero characteristic. For
$$
\widehat{H} := \text{Alg}_k\{H; k\},
$$
we recall (see Abe Chapter 4 …
- 401
0
votes
2
answers
1k
views
Representation Theory of $U(N)$
(1) Is it true that the category of representations of $U(n)$ is equivalent to the category of representations of $SU(N) \times U(1)$? If so, how is it proved, or what is a good reference. (I guess on …
- 401