2 papers
math.FA2026
Some properties of unbounded truncated Toeplitz operators
Ali Chettih, Ameur Yagoub, Zohra Bendaoud
In this paper, we study closed densely defined unbounded truncated Toeplitz operators on model space, where u is an inner function, that commute with modified compressed shifts. Th…
math.FA2021
Exponential stability of c0-semigroup via Lyapunov inequality in Banach space
Belabbas Madani, Zohra Bendaoud
We give a relation between the exponential stability of semigroup and the solutions of Lyapunov inequality \( \le…