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Symbolic Approach to 2-Orthogonal Polynomial Solutions of a Third Order Differential Equation

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Abstract

In a recent work, a generic differential operator on the vectorial space of polynomial functions was presented and applied in the study of differential relations fulfilled by polynomial sequences either orthogonal or 2-orthogonal. Considering a third order differential operator that does not increase the degree of polynomials, we search for polynomial eigenfunctions with the help of symbolic computations, assuming that those polynomials constitute a 2-orthogonal polynomial sequence. Two examples are extensively described.

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Acknowledgements

The author T. A. Mesquita was partially supported by CMUP, which is financed by national funds through FCT-Fundação para a Ciência e a Tecnologia, I.P., under the project with reference UIDB/00144/2020. The author would like to thank the referee’s comments and suggestions.

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Correspondence to Teresa Augusta Mesquita.

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Mesquita, T.A. Symbolic Approach to 2-Orthogonal Polynomial Solutions of a Third Order Differential Equation. Math.Comput.Sci. 16, 6 (2022). https://doi.org/10.1007/s11786-022-00525-8

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  • DOI: https://doi.org/10.1007/s11786-022-00525-8

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