Showing math.CAShow all
2 papers · 1 filter
math.CA2026
Szegő Mapping and Hermite--Padé Polynomials for Multiple Orthogonality on the Unit Circle
Rostyslav Kozhan, Marcus Vaktnäs
We investigate generalized Laurent multiple orthogonal polynomials on the unit circle satisfying simultaneous orthogonality conditions with respect to probability measures or l…
math.CA2024
Angelesco and AT systems on the Unit Circle
Rostyslav Kozhan, Marcus Vaktnäs
We introduce the concept of Laurent multiple orthogonality on the unit circle and define Angelesco and AT systems in this setting. Using a generalized Andreief identity, we establi…