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Timeline for Non-trivial summand in End(\rho)

Current License: CC BY-SA 3.0

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May 26, 2015 at 11:45 comment added Paul Broussous Your question is not clear at all! What do you mean by "the projection on ${\rm PGL}_n$"? "the adjoint of ${\rm PGL}_n$"?
May 25, 2015 at 13:43 comment added Kimball Schur's lemma says $End(\rho) = \mathbb C$, for irreducible $\rho$. Are you thinking of $\rho \otimes \check \rho = 1 \oplus Ad(\rho)$?
May 21, 2015 at 22:39 review First posts
May 21, 2015 at 22:40
May 21, 2015 at 22:27 history asked user73971 CC BY-SA 3.0