Finite-term recurrences in a generalized Bochner--Krall family

L. M. Anguas, D. Barrios Rolanía, B. Shapiro +1

We classify the differential operators \(T=z^j\partial_z^j+z^m\partial_z^\ell\), where \(0\le m<\ell\) and \(1\le j<\ell\), whose monic eigenpolynomials satisfy a finite-term recur…