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math.CA2025★ 12 cited
Matrix valued orthogonal polynomials related to SU, their algebras of differential operators and the corresponding curves
F. Alberto Grünbaum, Manuel D. De la Iglesia
We give two examples of algebras of differential operators associated to families of matrix valued orthogonal polynomials arising from representations of SU. The first one g…
math.CA2019
Bispectral Laguerre type polynomials
Antonio J. Durán, Manuel D. de la Iglesia
We study the bispectrality of Laguerre type polynomials, which are defined by taking suitable linear combinations of a fixed number of consecutive Laguerre polynomials. These Lague…
math.CA2018
On difference operators for symmetric Krall-Hahn polynomials
Antonio J. Durán, Manuel D. de la Iglesia
The problem of finding measures whose orthogonal polynomials are also eigenfunctions of higher-order difference operators have been recently solved by multiplying the classical dis…