EMIS ELibM Electronic Journals Publications de l'Institut Mathématique, Nouvelle Série
Vol. 84(98), pp. 49–60 (2008)

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Gradimir V. Milovanovic, Aleksandar S. Cvetkovic, and Zvezdan M. Marjanovic

Elektronski fakultet, Nis, Serbia

Abstract: This is a continuation of our previous investigations on polynomials orthogonal with respect to the linear functional $\mathcal{L}:\mathcal{P}\to\mathbb{C}$, where $\mathcal{L}=\int_{-1}^1 p(x) d\mu(x)$, $d\mu(x)=(1-x^2)^{\lambda-1/2} \exp(i\zeta x) dx$, and $\mathcal{P}$ is a linear space of all algebraic polynomials. Here, we prove an extension of our previous existence theorem for rational $\lambda\in(-1/2,0]$, give some hypothesis on three-term recurrence coefficients, and derive some differential relations for our orthogonal polynomials, including the second order differential equation.

Classification (MSC2000): 30C10; 33C47

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Electronic fulltext finalized on: 9 Dec 2008. This page was last modified: 12 Dec 2008.

© 2008 Mathematical Institute of the Serbian Academy of Science and Arts
© 2008 ELibM and FIZ Karlsruhe / Zentralblatt MATH for the EMIS Electronic Edition