Left and right generalized Drazin invertible operators K Miloud Hocine, M Benharrat, B Messirdi Linear and multilinear algebra 63 (8), 1635-1648, 2015 | 27 | 2015 |
On the Kato, semi-regular and essentially semi-regular spectra M Benharrat, A Ammar, A Jeribi, B Messirdi Functional Analysis, Approximation and Computation 6 (2), 9-22, 2014 | 18 | 2014 |
Relationship Between the Kato Spectrum and the Goldberg Spectrum of a Linear Relation T Alvarez, M Benharrat Mediterranean Journal of Mathematics, 2014 | 14 | 2014 |
Optimal control with time delays via the penalty method M Benharrat, DFM Torres Mathematical Problems in Engineering 2014 (1), 250419, 2014 | 13 | 2014 |
On the generalized Kato spectrum M Benharrat, B Messirdi Serdica Mathematical Journal 37 (4), 283-294, 2011 | 13 | 2011 |
Quotient operators: new generation of linear operators A Gherbi, B Messirdi, M Benharrat Funct. Anal. Approx. Comput 7 (1), 85-93, 2015 | 11 | 2015 |
On the spectral boundary value problems and boundary approximate controllability of linear systems N Khaldi, M Benharrat, B Messirdi Rendiconti del Circolo Matematico di Palermo 63, 141-153, 2014 | 10 | 2014 |
Relationship between the Kato essential spectrum and a variant of essential spectrum M Benharrat, B Messirdi General Mathematics 20 (4), 71-88, 2012 | 10 | 2012 |
Essential spectrum a brief survey of concepts and applications, Azerb M Benharrat, B Messirdi J. Math 2 (1), 35-61, 2012 | 8 | 2012 |
The Perturbation Classes Problem for Generalized Drazin Invertible Operators II D Ounadjela, M Benharrat, B Messirdi Complex Analysis and Operator Theory 13 (3), 1361-1375, 2019 | 7 | 2019 |
Generalized Kato linear relations M Benharrat, T Álvarez, B Messirdi Filomat 31 (5), 1129-1139, 2017 | 6 | 2017 |
Exterior penalty in optimal control problem with state-control constraints M Benharrat, H Mokhtar-Kharroubi Rendiconti del Circolo Matematico di Palermo 59, 389-403, 2010 | 6 | 2010 |
Left and right generalized Drazin invertible operators and local spectral theory M Benharrat, KM Hocine, B Messirdi Proyecciones (Antofagasta) 38 (5), 897-919, 2019 | 5 | 2019 |
Harnack parts of ρ-contractions G Cassier, M Benharrat, S Belmouhoub Journal of Operator Theory 80 (2), 453-480, 2018 | 5 | 2018 |
Comparison between the different definitions of the essential spectrum and Applications. M Benharrat Doctoral Thesis, University of Oran, 2013 | 5 | 2013 |
Linear boundary-value problems described by Drazin invertible operators N Khaldi, M Benharrat, B Messirdi Mathematical notes 101 (5), 994-999, 2017 | 4 | 2017 |
Relationship between the essential quasi-Fredholm spectrum and the closed-range spectrum, An M Benharrat, B Messirdi Univ. Oradea Fasc. Mat. XXI (1), 5-12, 2014 | 4 | 2014 |
An exact penalty method for constrained optimal control problems A Hammoudi, M Benharrat Rendiconti del Circolo Matematico di Palermo Series 2 70 (1), 275-293, 2021 | 3 | 2021 |
Spectral approach for solving boundary value matrix problems: existence, uniqueness and application to symplectic elasticity N Khaldi, M Benharrat, B Messirdi J. Adv. Res. Appl. Math. 6 (4), 68-80, 2014 | 3 | 2014 |
Semi-Fredholm operators and pure contractions in Hilbert space M Benharrat, B Messirdi Rendiconti del Circolo Matematico di Palermo 62 (2), 267-272, 2013 | 3 | 2013 |