G. Lagomasino

collaborators

2 papers

math.CA2017

Sobolev extremal polynomials with respect to mutually singular measures

A. Diaz Gonzalez, G. Lopez Lagomasino, H. Pijeira Cabrera

We consider extremal polynomials with respect to a Sobolev-type $p$ -norm, with $1 < p < \infty$ and measures supported on compact subsets of the real line. For a wide class of such ext…

math.CV2016

Determining system poles using row sequences of orthogonal Hermite-Padé approximants

Nattapong Bosuwan, G. López Lagomasino

Given a system of functions $F = (F_{1}, \dots, F_{d}),$ analytic on a neighborhood of some compact subset $E$ of the complex plane with simply connected complement, we…