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Dixmier's lemma as a generalisation of Schur's first lemma

gr.group-theory rt.representation-theory operator-theory asked Jul 19, 2019 at 23:11

mathoverflow.net

A theorem from the theory of groups

group-theory asked Nov 28, 2014 at 20:41

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Simple formulae for matrices

linear-algebra asked Dec 24, 2017 at 18:20

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Dixmier's lemma as a generalisation of Schur's first lemma

group-theory operator-theory representation-theory asked Jul 19, 2019 at 0:09

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In what types of QFTs are the Wilson loops of interest?

quantum-field-theory gauge-theory observables wilson-loop asked Mar 5, 2017 at 3:49

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Two definitions of representation of a topological group

abstract-algebra group-theory representation-theory topological-groups asked Mar 1, 2021 at 0:54

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Complete reducibility, in linear algebra versus topology. The example of the translation representation of $\mathbb R$ in $L^2({\mathbb{R}})$

general-topology fourier-analysis representation-theory fast-fourier-transform asked Oct 10, 2021 at 23:04

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Exact sequence and short exact sequence

group-theory category-theory finite-groups exact-sequence asked May 14, 2023 at 21:30

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Definition of an Induced Representation. Technicalities.

group-theory representation-theory definition lie-groups asked May 24, 2020 at 22:25

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