Harish-Chandra-Itzykson-Zuber integral
From Scholarpedia
This article has not yet been published; it may contain inaccuracies, unapproved changes, or be unfinished.
Dr. Jean-Bernard Zuber accepted the invitation on 7 July 2008 (self-imposed deadline: 7 January 2009).
Harish-Chandra-Itzykson-Zuber integral refers to the integral int dU exp tr AUBU* over the unitary group U(N), frequently encountered in the theory of random matrices and applications. It enjoys quite remarkable properties and admits interesting generalizations.
