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math.CA2020
A unified algebraic underpinning for the Hahn polynomials and rational functions
Luc Vinet, Alexei Zhedanov
An algebra denoted with three generators is introduced and shown to admit embeddings of the Hahn algebra and the rational Hahn algebra. It has a real version of the…
math.CA2020★ 1 cited
An algebraic description of the bispectrality of the biorthogonal rational functions of Hahn type
Satoshi Tsujimoto, Luc Vinet, Alexei Zhedanov
The biorthogonal rational functions of the type on the uniform grid provide the simplest example of rational functions with bispectrality properties that are similar to t…