Dépôt DSpace/Manakin

Parcourir Publications scientifiques par sujet "spectrum"

Parcourir Publications scientifiques par sujet "spectrum"

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  • On a General Feshbach Method1 
    Messirdi, Bekkai; Benaicha, Slimane; Djaa, Mustapha; Rahmani, Abdelkader (Publié dans International Journal of Mathematical Analysis, Volume1, 2007)
    We present a general reduction Feshbach method that can be applied in particular to the spectral study of operators including the hamiltonian of the Born-Oppenheimer approximation and also to Fredholm operators. This ...
  • On a General Reduction Scheme of Fredholm Operators 
    Messirdi, Bekkai; Djellouli, Ghouti (African Journal Of Mathematical Physics, 2007)
    In this paper we present a new reduction scheme that we can applied to the study of Fredholm operators. We mainly show in a simple and original manner the stability results for Fredholm operators. We also get a fundamental ...

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