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Complex Approximations, Orthogonal Polynomials and Applications Workshop
June 10, 2021 14:30–14:55, Sochi
 


Ratio asymptotics for symmetric multiple orthogonal polynomials

A. Loureiro

University of Kent

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Abstract: At the centre of this talk are polynomials on a single variable satisfying higher order recurrence relations with all recurrence coefficients, except the last one, equal to zero. The polynomials at issue are orthogonal with respect to a vector of measures, are rotational invariant and all the zeros lie on a star in the complex plane. The discussion will focus on their ratio asymptotic behaviour as well as the zero limit distribution.
This is a joint work with Walter Van Assche.

Language: English

Website: https://us02web.zoom.us/j/8618528524?pwd=MmxGeHRWZHZnS0NLQi9jTTFTTzFrQT09

* Zoom conference ID: 861 852 8524 , password: caopa
 
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