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Discrete orthogonal polynomials and difference equations of several variables |
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| Authors: | Plamen Iliev Yuan Xu |
| Affiliation: | a School of Mathematics, Georgia Institute of Technology, Atlanta, GA 30332-0160, USA b Department of Mathematics, University of Oregon, Eugene, OR 97403-1222, USA |
| Abstract: | The goal of this work is to characterize all second order difference operators of several variables that have discrete orthogonal polynomials as eigenfunctions. Under some mild assumptions, we give a complete solution of the problem. |
| Keywords: | 42C05 33C45 |
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