Timeline for Faithful representations and tensor powers
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Apr 13, 2020 at 20:55 | comment | added | caffeinemachine | Oh I see. That's very nice. Thanks. | |
| Apr 13, 2020 at 20:43 | comment | added | David E Speyer | @caffeinemachine $G$ is a finite group, so all elements in $g$ have finite order. So $\rho(g)$ is diagonalizable with all eigenvalues roots of unity. | |
| Apr 13, 2020 at 13:39 | comment | added | caffeinemachine | Hi. Can you please share why $|\psi(g)|\leq \dim W$ for all $g$? I can see this by WLOG assuming that the representation $\rho$ is unitary, but do you know of an inner-product free proof? | |
| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Apr 26, 2011 at 14:35 | history | answered | David E Speyer | CC BY-SA 3.0 |