Partial Differential Equations and Bivar
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Alan L. Schwartz
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Article
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1999
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Elsevier Science
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English
⚖ 350 KB
In 1929, S. Bochner identified the families of polynomials which are eigenfunctions of a second-order linear differential operator. What is the appropriate generalization of this result to bivariate polynomials? One approach, due to Krall and Sheffer in 1967 and pursued by others, is to determine wh