On the properties for modifications of classical orthogonal polynomials of discrete variables

We consider a modi cation of moment functionals for some classical polynomials of a discrete variable by adding a mass point at x = 0. We obtain the resulting orthogonal polynomials, identify them as hypergeometric functions and derive the second order di erence equation which these polynomials sati...

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Detalles Bibliográficos
Autores: Álvarez Nodarse, Renato, García García, Antonio, Marcellán Español, Francisco
Tipo de recurso: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:1995
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/41774
Acceso en línea:http://hdl.handle.net/11441/41774
https://doi.org/10.1016/0377-0427(95)00097-6
Access Level:acceso abierto
Palabra clave:Meixner
Charlier and Kravchuk polynomials
discrete measures
hypergeometric functions
associated polynomials
Descripción
Sumario:We consider a modi cation of moment functionals for some classical polynomials of a discrete variable by adding a mass point at x = 0. We obtain the resulting orthogonal polynomials, identify them as hypergeometric functions and derive the second order di erence equation which these polynomials satisfy. The corresponding tridiagonal matrices and associated polynomials were also studied.