G invariant inner product and the proof of Schur's lemma

3 years ago
1

Lecture3: G invariant inner product and the proof of Schur's lemma

0:00 start
3:30 prove G invariant subspace exists
7:20: definition of an irreducible representation
8:00 every finite group representation can be decomposed to direct sum of irreducible one
12:00 the proof of Schur's lemma

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