A note on the spectrum of diagonal perturbation of weighted shift operator

  • Mohamed Lamine Sahari University of Annaba, Algeria
  • A. K. Taha Federal University of Toulouse Midi-Pyre ́ne ́es, Toulouse, France
  • Louis Randriamihamison Institut National Polytechnique de Toulouse, University of Toulouse,Toulouse, France.

Abstract

This note provides a complete description of the spectrum of di- agonal perturbation of weighted shift operator acting on a separable Hilbert space.

Published
2019-05-24
Section
Articoli