The Jacobi polynomial ensemble and the Painleve VI equation
(1999) Journal of Mathematical Physics — Vol. 40, n° 4, p. 2117-2134 (1999)
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- Abstract
- We consider the Jacobi polynomial ensemble of n X n random matrices. We show that the probability of finding no eigenvalues in the interval [-1,z] for a random matrix chosen from the ensemble, viewed as a function of z, satisfies a second-order differential equation. After a simple change of variable, this equation can be reduced to the Okamoto-Jimbo-Miwa form of the Painleve VI equation. The result is achieved by a comparison of the Tracy-Widom and the Virasoro approaches to the problem, which both lead to different third-order differential equations. The Virasoro constraints satisfied by the tau functions are obtained by a systematic use of the moments, which drastically simplifies the computations. (C) 1999 American Institute of Physics. [S0022-2488(99)02203-3].
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Haine, L., & Semengue, J. (1999). The Jacobi polynomial ensemble and the Painleve VI equation. Journal of Mathematical Physics, 40(4), 2117-2134. https://doi.org/10.1063/1.532855 (Original work published 1999)