Author Details

Abdelmoumen, Boulbeba Boulbeba, Faculté des sciences de Sfax Tunisie, Tunisia

  • Vol 34, No 4 (2020) - Dragan Djordjevic - Functional analysis, Operator theory
    PERTURBATION THEORY, M-ESSENTIAL SPECTRA OF OPERATOR MATRICES
    Abstract
  • Vol 35, No 7 (2021) - Snezana Zivkovic Zlatanovic - Operator theory
    Perturbation results in the Fredholm theory and M-essential spectra of some matrix operators
    Abstract
  • Vol 37, No 14 (2023) - Dragan Djordjevic - Functional analysis, Operator theory
    On a Riesz Basis of Diagonally Generalized Subordinate Operator Matrices and Application to a Gribov Operator Matrix in Bargmann Space
    Abstract