2 papers
math.CV2026
Identifying Bergman space functions from intervals
Andreas Hartmann, Marcu-Antone Orsoni
We characterize functions of a Bergman space on a square by their values and derivatives on the diagonals. This problem is connected with the reachable space of the one-dimensional…
math.CV2025
Interpolation and random interpolation in de Branges-Rovnyak spaces
Andreas Hartmann, Giuseppe Lamberti
The aim of this paper is to characterize universal and multiplier interpolating sequences for de Branges-Rovnyak spaces H (b) where the defining function b is a general non-extreme…