Timeline for Expectation of trace of nth power of unitary matrices
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 29, 2015 at 16:12 | answer | added | Joonas Ilmavirta | timeline score: 3 | |
| Jan 29, 2015 at 16:11 | vote | accept | Atnap | ||
| Jan 29, 2015 at 15:32 | answer | added | Carlo Beenakker | timeline score: 10 | |
| Jan 29, 2015 at 15:17 | comment | added | Atnap | I'm sorry but I don't understand the second part of your comment ("The pullback of the Haar measure over $p_m$ is the original Haar measure"). I tried to find the answer for $m=2$ with Mathematica and I found the integral equals 2. | |
| Jan 29, 2015 at 14:25 | comment | added | Joonas Ilmavirta | If the map $U\mapsto U^m$ is surjective $U(n)\to U(n)$, then your integral doesn't change if you change $m$ to 1. In this case the pullback of the Haar measure over $p_m$ is the original Haar measure. | |
| Jan 29, 2015 at 14:14 | review | First posts | |||
| Jan 29, 2015 at 14:26 | |||||
| Jan 29, 2015 at 14:11 | history | asked | Atnap | CC BY-SA 3.0 |