Characterization of uniformly asymptotic S-Toeplitz and S-Hankel operators
Characterization of uniformly asymptotic S-Toeplitz and S-Hankel operators

Massoud Salehi Sarvestani; Massoud Amini

Volume 5, Issue 2 , July 2023, , Pages 17-28

https://doi.org/10.30495/maca.2023.1989709.1071

Abstract
  In this paper,  we show that a shift operator on a separable Hilbert space with infinite multiplicity is strongly approximated by shift operators with finite multiplicities. Moreover, ...  Read More
Toeplitzness of weighted composition operators
Toeplitzness of weighted composition operators

Massoud Salehi Sarvestani

Volume 2, Issue 1 , April 2020, , Pages 1-8

https://doi.org/10.30495/maca.2020.679850

Abstract
  For a bounded analytic map ψ on the unit disk D and analytic self-map  φ of D, a weighted composition operator Cψ,φ on the Hardy space H2=H2(D) is ...  Read More