Szegő-type asymptotics for ray sequences of Frobenius-Padé approximants

Alexander I. Aptekarev, Alexey I. Bogolubsky, Maxim L. Yattselev

Let $\hat{\sigma }$ be a Cauchy transform of a possibly complex-valued Borel measure $\sigma$ and $\{p_n\}$ be a system of orthonormal polynomials with respect to a measure $\mu$, $\mathrm{su…