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Title: On the Krall-type discrete polynomials
Authors: Álvarez-Nodarse, R. 
Petronilho, J. 
Keywords: Quasi-definite linear functionals; Classical discrete polynomials; q-polynomials; Krall-type polynomials; Orthogonal polynomials; Addition of delta Dirac masses
Issue Date: 2004
Citation: Journal of Mathematical Analysis and Applications. 295:1 (2004) 55-69
Abstract: In this paper we present a unified theory for studying the so-called Krall-type discrete orthogonal polynomials. In particular, the three-term recurrence relation, lowering and raising operators as well as the second order linear difference equation that the sequences of monic orthogonal polynomials satisfy are established. Some relevant examples of q-Krall polynomials are considered in detail.
Rights: openAccess
Appears in Collections:FCTUC Matemática - Artigos em Revistas Internacionais

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