2 papers
math.FA2026
Littlewood subordination for de Branges--Rovnyak spaces
Emmanuel Fricain, Andreas Hartmann, William T. Ross +1
In this paper, we study composition operators that act between different de Branges-Rovnyak spaces. Our main results are suggested by a paper of Mashreghi and Shabankhah concerning…
math.CV2023
An analytic approach to estimating the solutions of Bézout's polynomial identity
Emmanuel Fricain, Andreas Hartmann, William T. Ross +1
This paper contains sharp bounds on the coefficients of the polynomials and which solve the classical one variable Bézout identity , where and are po…