We obtain differential operators for the bivariate Chebyshev polynomials of the first kind associated with the root systems of the simple Lie algebras C2 and G2.
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Dedicated to M. A. Semenov-Tian-Shansky on the occasion of his 70th birthday
Translated from Zapiski Nauchnykh Seminarov POMI, Vol. 473, 2018, pp. 99–109.
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Damaskinsky, E.V., Sokolov, M.A. On Differential Operators for Chebyshev Polynomials in Several Variables. J Math Sci 242, 651–657 (2019). https://doi.org/10.1007/s10958-019-04504-6
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DOI: https://doi.org/10.1007/s10958-019-04504-6