Hardy-type theorem for functions orthogonal with respect to their zeros. The Jacobi weight case

L. D. Abreu, F. Marcellan, S. Yakubovich

Motivated by G. H. Hardy's 1939 results \cite{Hardy} on functions orthogonal with respect to their real zeros ${\lambda }_n,n=1,2,...$, we will consider, within the same general conditi…