Yan V Fyodorov and Boris A Khoruzhenko 2007 J. Phys. A: Math. Theor. 40 669 doi:10.1088/1751-8113/40/4/007
Yan V Fyodorov1,2 and Boris A Khoruzhenko3
Show affiliationsWe investigate diverse relations of the colour–flavour transformations (CFT) introduced by Zirnbauer in 'Supersymmetry for systems with unitary disorder: circular ensembles' (1996 J. Phys. A: Math. Gen. 29 7113–36) to various topics in random matrix theory and multivariate analysis, such as measures on truncations of unitary random matrices, Jacobi ensembles of random matrices, Berezin reproducing kernels and a generalization of the Selberg integral due to Kaneko, Kadell and Yan involving the Schur functions. Apart from suggesting explicit formulae for bosonic CFT for the unitary group in the range of parameters beyond that in Zirnbauer's paper we also suggest an alternative variant of the transformation with integration going over an unbounded domain of a pair of Hermitian matrices. The latter makes possible the evaluation of certain averages in random matrix theory.
15A57 Other types of matrices (Hermitian, skew-Hermitian, etc.)
Issue 4 (26 January 2007)
Received 17 October 2006, in final form 27 November 2006
Published 9 January 2007
Yan V Fyodorov and Boris A Khoruzhenko 2007 J. Phys. A: Math. Theor. 40 669
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