2 papers
math.CA2023
Lie algebras of differential operators for Matrix valued Laguerre type polynomials
Andrea L. Gallo, Pablo Román
We study algebras of differential and difference operators acting on matrix valued orthogonal polynomials (MVOPs) with respect to a weight matrix of the form $W^{(ν)}_ϕ(x) = x^νe^{…
math.CO2023
Number of cliques of Paley-type graphs over finite commutative local rings
Andrea L. Gallo, Denis E. Videla
In this work, given a finite commutative local ring with identity and with , we study the number of cliques of any size in the Cayley gr…