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  • On linear spectral transformations and the Laguerre-Hahn class
    Publication . Rebocho, M. N.; Castillo, Kenier
    We study the Christoffel, Geronimus, and Uvarov transformations for Laguerre-Hahn orthogonal polynomials on the real line. It is analysed the modification of the corresponding difference-differential equations that characterize the systems of orthogonal polynomials and the consequences for the three-term recurrence relation coefficients.