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# Talk: Classical Orthogonal Polynomials: Orthogonality and duality

Classical Orthogonal Polynomials: Orthogonality and duality

Date: 2019..09..02
Event: 2nd International Conference on Symmetry
Venue: Instituto Pedro pascual. Benasque, Spain.

## Abstract

In this contribution we show the who classification of classical orthogonal polynomials, continuous, discrete and $$q$$-discrete, and we will describe some of the duality relations among them, as well as some of the orthogonality relations in the complex plane. Some details about the symmetry about their parameters will be considered.