Dépôt DSpace/Manakin

Parcourir Publications scientifiques par auteur "Mortad, Mohammed Hichem"

Parcourir Publications scientifiques par auteur "Mortad, Mohammed Hichem"

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  • On Different products of closed operators 
    Messirdi, Bekkai; Mortad, Mohammed Hichem (Banach J. Math. Anal, 2008-01-01)
    The purpose of this work is to give different products of closed operators together with their faults and assets.
  • A topological characterization of the product of two closed operators 
    Messirdi, Bekkai; Mortad, Mohammed Hichem; Azzouz, Abdelhalim; Djellouli, Ghouti (Colloquium Mathematicum, 2008)
    The purpose of this work is to give a topological condition for the usual product of two closed operators acting in a Hilbert space to be closed

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