2 papers
math.FA2026
Crescents and the real variable Cesaro operator
Anil Belli, Ugur Gul, William T. Ross +1
This paper explores a version of the classical Cesàro integral operator for the Lebesgue space where we discuss its norm, spectral properties, cyclicity, and invariant…
math.FA2017
An invertibility criterion in a C*-algebra acting on the Hardy space with applications to composition operators
Uğur Gül, Beyaz Başak Koca
In this paper we prove an invertibility criterion for certain operators which is given as a linear algebraic combination of Toeplitz operators and Fourier multipliers acting on the…