Timeline for kostant partition function vs Haar measure
Current License: CC BY-SA 3.0
6 events
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Dec 13, 2014 at 3:55 | comment | added | Allen Knutson | I would say "the Kostant partition function is the Fourier transform of the reciprocal of the Weyl denominator", in that the first is a function on the weight lattice of a torus and the second is a function on the torus itself. | |
| Dec 12, 2014 at 17:08 | comment | added | ofer zeitouni | The function $|e^{i\theta_1}-e^{i\theta_2}|^{-2}$ is not integrable. If you do not mean an integral but rather a formal power series expansion, that's a different story. | |
| Dec 12, 2014 at 16:28 | comment | added | john mangual | @oferzeitouni Here is an example by Doron Zeilberger, arxiv.org/abs/math/9811108. It looks like Selberg integral, but perhaps not quite? I am trying to find clarification. | |
| Dec 12, 2014 at 16:11 | comment | added | ofer zeitouni | Are you sure? Does not look integrable to me.... Unless you only integrate functions that vanish quadraticaly in $\theta_i-\theta_j$. | |
| Dec 12, 2014 at 15:44 | history | asked | john mangual | CC BY-SA 3.0 |