Tagged Questions
4
votes
1answer
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Seek results in group theory obtained by applping algebraic topology tools
After studying the first section, especially the section 1.3 (covering spaces) in Hatcher's book, it is obvious that many classical topics in group theory, especially in infinite group theory, have ...
3
votes
0answers
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Necessary and sufficient conditions for $G$ to have $A(G)$ isomorphic to an operator algebra?
Let $G$ be a locally compact group. We denote by $A(G)$ the Fourier algebra of $G$.
An operator algebra is a closed subalgebra of $B(H)$ where $H$ is a Hilbert space.
What are the necessary and ...
2
votes
0answers
60 views
Induced representations of topological groups
Sorry if this is a naive question-- I'm trying to learn this stuff.
If $G$ is a group with subgroup $H$, then we have the restriction functor $\operatorname{Res}$ from $G-\operatorname{mod}$ to ...