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Evi Daems, A. Kuijlaars, W. Veys (2007)
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Bleher & Kuijlaars and Daems & Kuijlaars showed that the correlation functions of the eigenvalues of a random matrix from unitary ensemble with external source can be expressed in terms of the Christoffel-Darboux kernel for multiple orthogonal polynomials. We obtain a representation of this Christoffel-Darboux kernel in terms of the usual orthogonal polynomials.
Computational Methods and Function Theory – Springer Journals
Published: Feb 8, 2009
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