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On the distribution of the maximum value of the characteristic polynomial of GUE random matrices
2016
Nonlinearity
Motivated by recently discovered relations between logarithmically correlated Gaussian processes and characteristic polynomials of large random N × N matrices H from the Gaussian Unitary Ensemble (GUE), we consider the problem of characterising the distribution of the global maximum of D_N(x):=-|(xI-H)| as N →∞ and x∈ (-1,1). We arrive at an explicit expression for the asymptotic probability density of the (appropriately shifted) maximum by combining the rigorous Fisher-Hartwig asymptotics due
doi:10.1088/0951-7715/29/9/2837
fatcat:p2nh7clbebfnln62isx2zwxmxa