Author Details

Chafai, Ezzeddine, Faculty of sciences of Sfax, Tunisia, Tunisia

  • Vol 31, No 3 (2017) - Dragan Djordjevic - Functional analysis, Operator theory
    Ascent, Essential Ascent, Descent and Essential Descent for a Linear Relation in a Linear Space
    Abstract  PDF
  • Vol 32, No 10 (2018) - Snezana Zivkovic Zlatanovic - Operator theory
    SOME PERTURBATION RESULTS FOR ASCENT AND DESCENT VIA MEASURE OF NON-COMPACTNESS
    Abstract