On discrete coherent pairs of measures

R. Álvarez-Nodarse, K. Castillo, D. Mbouna +1

In [Castillo \& Mbouna, Indag. Math. {\bf 31} (2020) 223-234], the concept of ${\pi }_N$-coherent pairs of order $(m,k)$ with index $M$ is introduced. This definition, implicitly relate…