Strong Metrizability for Closed Operators and the Semi-Fredholm Operators between Two Hilbert Spaces

by Mohammed Benharrat, Bekkai Messirdi
Published 2015-08-01

Strong Metrizability for Closed Operators and the Semi-Fredholm Operators between Two Hilbert Spaces

by Mohammed Benharrat, Bekkai Messirdi
Published 2015-08-01

Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators

by Leila Mebarki, Mohammed Benharrat, Bekkai Messirdi
Published 2015-11-01

A Spectral Analysis of Linear Operator Pencils on Banach Spaces with Application to Quotient of Bounded Operators

by Bekkai Messirdi, Abdellah Gherbi, Mohamed Amouch
Published 2015-03-01

A class of generalized integral operators

by Samir Bekkara, Bekkai Messirdi, Abderrahmane Senoussaoui
Published 2009-07-01

Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators

by Leila Mebarki, Mohammed Benharrat, Bekkai Messirdi
Published 2015-11-01

A Spectral Analysis of Linear Operator Pencils on Banach Spaces with Application to Quotient of Bounded Operators

by Bekkai Messirdi, Abdellah Gherbi, Mohamed Amouch
Published 2015-03-01

Semiclassical Resonances via Meromorphy of the Resolvent and the S-Matrix

by Soumia Belmouhoub, Bekkai Messirdi, Abderrahmane Senoussaoui
Published 2020-03-01

Birkhoff Normal Forms for Born-Oppenheimer Operators

by Nawel Latigui, Bekkai Messirdi, Kaoutar Ghomari
Published 2020-03-01

Left and Right Generalized Drazin Invertibility of an Upper Triangular Operator Matrices with Application to Boundary Value Problems

by Kouider Miloud Hocine, Bekkai Messirdi, Mohammed Benharrat
Published 2019-01-01

Left and Right Generalized Drazin Invertibility of an Upper Triangular Operator Matrices with Application to Boundary Value Problems

by Kouider Miloud Hocine, Bekkai Messirdi, Mohammed Benharrat
Published 2019-01-01