Darboux-type formula for Jacobi biorthogonal polynomials
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formulabiorthogonaldarboux-typejacobipolynomialsapplyappropriateasymptotic
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In this paper, we study the asymptotic behavior of Jacobi biorthogonal polynomials. A Darboux-type formula is established using the method of steepest descent. In the proof, we construct an appropriate contour to apply the Rodrigues formula. Our result reduces to the classical Darboux formula in the orthogonal case.
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