Hamza El Azhar

most citedThe Local Operator Moment Problem on

R

4 citations · 4 across the 2 of their papers we have counts for

collaborators

2 papers

math.FA2026★ 4 cited

The Local Operator Moment Problem on $R$

Raul E. Curto, Abderrazzak Ech-charyfy, Hamza El Azhar +1

We study the connections between operator moment sequences $T = (T_{n})_{n \in Z_{+}}$ of self-adjoint operators on a complex Hilbert space $H$ a…

math.FA2026

Propagation Phenomena for Operator-Valued Weighted Shifts

Raul E. Curto, Abderrazzak Ech-charyfy, Hamza El Azhar +1

This paper is devoted to the study of propagation phenomena for $2$ --hyponormal, quadratically hyponormal, and cubically hyponormal operator-valued weighted shifts. \ First, we sho…