On a Certain Type of Deformation of Umbral Orthogonal Polynomials

Student: Krotkov Danil

Educational Programme: Mathematics (Master)

Year of Graduation: 2021

In the present paper we derive complicated families of orthogonal polynomials in one variable from scratch using the known ones as building blocks. We recall the basics of operational formalism and introduce the notations we use throughout this paper. Then we establish through this formalism the known families of orthogonal polynomials in order to see the mechanism that lies at the heart of classical and hypergeometric $q=1$ orthogonal polynomials and their associated families, which arise form this viewpoint in a very natural manner.

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