Edit Profile (opens in new tab) Messirdi, Bekkai Compute Distance To: Compute Author ID: messirdi.bekkai Published as: Messirdi, Bekkai; Messirdi, B.; Mesirdi, Bekkai more...less Documents Indexed: 68 Publications since 1994, including 1 Book Co-Authors: 37 Co-Authors with 64 Joint Publications 218 Co-Co-Authors all top 5 Co-Authors 1 single-authored 20 Benharrat, Mohammed 10 Messirdi, Sanaa 10 Messirdi, Sofiane 7 Senoussaoui, Abderrahmane 6 Djellouli, Ghouti 5 Gherbi, Abdellah 5 Ghomari, Kaoutar 4 Hocine, Kouider Miloud 3 Amouch, Mohamed 3 Azzouz, Abdelhalim 3 Belaib, Lekhmissi 3 Khaldi, Nassima 3 Messirdi, Miloud 2 Bouarroudj, Nadra 2 Djaa, Mustapha 2 Mortad, Mohammed Hichem 2 Ounadjela, Djalel 2 Rahmani, Abdelkader 2 Sadli, Bendjedid 1 Aïboudi, Mohamed 1 Ammar, Aymen 1 Ayad-Djemai, Setti 1 Barigou, Ahmed 1 Bekkara, Samir 1 Belmouhoub, Soumia 1 Benaicha, Slimane 1 Bendjedid, Sadli 1 Bourada, Sofiane 1 Gherib, Fatiha 1 Jeribi, Aref 1 Latigui, Nawel 1 Martinez, André 1 Mebarki, Leila 1 Membarki, Leila 1 Ould-Ali, Mohand 1 Ouldali, Mohand 1 Vũ Ngọc, San all top 5 Serials 4 Asian-European Journal of Mathematics 4 International Journal of Analysis and Applications 3 Journal of Mathematical Analysis and Applications 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Analele Universității din Oradea. Fascicola Matematică 2 Electronic Journal of Differential Equations (EJDE) 2 Advanced Studies in Contemporary Mathematics (Kyungshang) 2 Sarajevo Journal of Mathematics 2 Proyecciones 2 International Journal of Contemporary Mathematical Sciences 2 International Journal of Mathematical Analysis (Ruse) 2 Applied Mathematical Sciences (Ruse) 2 Journal of Advanced Mathematical Studies 2 Bulletin of the Transilvania University of Brașov. Series III. Mathematics, Informatics, Physics 2 African Journal of Mathematical Physics 2 Functional Analysis, Approximation and Computation 1 Applicable Analysis 1 Journal of Mathematical Physics 1 Linear and Multilinear Algebra 1 Mathematical Notes 1 Rocky Mountain Journal of Mathematics 1 Colloquium Mathematicum 1 Zeitschrift für Analysis und ihre Anwendungen 1 Asymptotic Analysis 1 Lecturas Matemáticas 1 Communications in Partial Differential Equations 1 Annales de l’Institut Henri Poincaré. Physique Théorique 1 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică 1 Bulletin Mathématique de la Société des Sciences Mathématiques de Roumanie. Nouvelle Série 1 Mathematica 1 Georgian Mathematical Journal 1 Memoirs on Differential Equations and Mathematical Physics 1 Filomat 1 Serdica Mathematical Journal 1 Methods of Functional Analysis and Topology 1 Matematychni Studiï 1 Complex Analysis and Operator Theory 1 International Journal of Algebra 1 Operators and Matrices 1 Banach Journal of Mathematical Analysis 1 Bulletin of Mathematical Analysis and Applications 1 Azerbaijan Journal of Mathematics 1 Malaya Journal of Matematik 1 Romanian Journal of Mathematics and Computer Science 1 Références Sciences all top 5 Fields 53 Operator theory (47-XX) 14 Partial differential equations (35-XX) 9 Quantum theory (81-XX) 4 Functional analysis (46-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Mechanics of particles and systems (70-XX) 2 Systems theory; control (93-XX) 1 Ordinary differential equations (34-XX) 1 Probability theory and stochastic processes (60-XX) 1 Statistics (62-XX) 1 Mechanics of deformable solids (74-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Mathematics education (97-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 39 Publications have been cited 110 times in 73 Documents Cited by ▼ Year ▼ Left and right generalized Drazin invertible operators. Zbl 1320.47001Hocine, Kouider Miloud; Benharrat, Mohammed; Messirdi, Bekkai 15 2015 Resonances of diatomic molecules in the Born-Oppenheimer approximation. Zbl 0826.35148Martinez, André; Messirdi, Bekkai 12 1994 \(L^2\)-boundedness and \(L^2\)-compactness of a class of Fourier integral operators. Zbl 1166.35039Messirdi, Bekkai; Senoussaoui, Abderrahmane 8 2006 Quotient operators: new generation of linear operators. Zbl 1353.47002Gherbi, Abdellah; Messirdi, Bekkai; Benharrat, Mohammed 7 2015 On the spectral boundary value problems and boundary approximate controllability of linear systems. Zbl 1309.47011Khaldi, Nassima; Benharrat, Mohammed; Messirdi, Bekkai 5 2014 On the generalized Kato spectrum. Zbl 1259.47003Benharrat, M.; Messirdi, B. 5 2011 Born-Oppenheimer asymptotic for the molecular predissociation (case of regular potentials). (Asymptotique de Born-Oppenheimer pour la prédissociation moléculaire (cas de potentiels réguliers).) Zbl 0812.35109Messirdi, Bekkai 4 1994 The perturbation classes problem for generalized Drazin invertible operators. I. Zbl 1466.47002Ounadjela, Djalel; Hocine, Kouider Miloud; Messirdi, Bekkai 4 2018 A spectral analysis of linear operator pencils on Banach spaces with application to quotient of bounded operators. Zbl 1463.47047Messirdi, Bekkai; Gherbi, Abdellah; Amouch, Mohamed 4 2015 Stability of almost closed operators on a Hilbert space. Zbl 1189.47003Messirdi, Sanaa; Djaa, Mustapha; Messirdi, Bekkai 3 2009 A class of generalized integral operators. Zbl 1177.35267Bekkara, Samir; Messirdi, Bekkai; Senoussaoui, Abderrahmane 3 2009 Left and right generalized Drazin invertible operators and local spectral theory. Zbl 07289337Benharrat, Mohammed; Hocine, Kouider Miloud; Messirdi, Bekkai 3 2019 Linear boundary-value problems described by Drazin invertible operators. Zbl 1369.47011Khaldi, Nassima; Benharrat, Mohammed; Messirdi, Bekkai 3 2017 Relationship between the essential quasi-Fredholm spectrum and the closed-range spectrum. Zbl 1313.47010Benharrat, Mohammed; Messirdi, Bekkai 2 2014 On the Kato, semi-regular and essentially semi-regular spectra. Zbl 1352.47007Benharrat, Mohammed; Ammar, Aymen; Jeribi, Aref; Messirdi, Bekkai 2 2014 Strong metrizability for closed operators and the semi-Fredholm operators between two Hilbert spaces. Zbl 1463.47017Benharrat, Mohammed; Messirdi, Bekkai 2 2015 Quasi-compact perturbations of the Weyl essential spectrum and application to singular transport operators. Zbl 1463.47064Membarki, Leila; Benharrat, Mohammed; Messirdi, Bekkai 2 2015 A topological characterization of the product of two closed operators. Zbl 1142.47002Messirdi, Bekkai; Mortad, Mohammed Hichem; Azzouz, Abdelhalim; Djellouli, Ghouti 2 2008 Parametrix of the hyperbolic \(C^\infty\) Cauchy problem with a Leray-Volevich order system. (Parametrix du problème de Cauchy \(C^\infty\) hyperbolique muni d’un système d’ordres de Leray-Volevîc.) Zbl 1100.35133Messirdi, Bekkai; Senoussaoui, Abderrahmane 2 2005 New results on the closedness of the product and sum of closed linear operators. Zbl 1314.47003Azzouz, A.; Messirdi, B.; Djellouli, G. 2 2011 On different concepts of closedness of linear operators. Zbl 1303.47004Messirdi, Sanaa; Messirdi, Bekkai; Messirdi, Miloud 2 2014 Some stronger topologies for closed operators in Hilbert space. Zbl 1257.47018Djellouli, Ghouti; Messirdi, Sanaa; Mesirdi, Bekkai 2 2010 Generalized Kato linear relations. Zbl 1483.47008Benharrat, Mohammed; Álvarez, Teresa; Messirdi, Bekkai 2 2017 Quotient of linear relations and applications. Zbl 07074026Gherbi, Abdellah; Messirdi, Bekkai 1 2019 The perturbation classes problem for generalized Drazin invertible operators. II. Zbl 1480.47002Ounadjela, Djalel; Benharrat, Mohammed; Messirdi, Bekkai 1 2019 Essential spectra and Drazin invertibility of quasisimilar closed operators. Zbl 1438.47035Djellouli, Ghouti; Azzouz, Abdelhalim; Messirdi, Bekkai 1 2018 A spectral method for fourth-order boundary value problems. Zbl 1449.35208Bouarroudj, Nadra; Belaib, Lekhmissi; Messirdi, Bekkai 1 2018 Retracted: Spectral mapping theorem for generalized Kato spectrum. Zbl 1304.47016Amouch, M.; Benharrat, M.; Messirdi, B. 1 2015 Semi-Fredholm operators and pure contractions in Hilbert space. Zbl 1293.47010Benharrat, Mohammed; Messirdi, Bekkai 1 2013 Asymptotic analysis for Schrödinger Hamiltonians via Birkhoff-Gustavson normal form. Zbl 1288.70014Ghomari, Kaoutar; Messirdi, Bekkai; Ngọc, San Vũ 1 2013 Essential spectrum: a brief survey of concepts and applications. Zbl 1278.47009Benharrat, Mohammed; Messirdi, Bekkai 1 2012 Quantum Birkhoff-Gustavson normal form in some completely resonant cases. Zbl 1208.81079Ghomari, Kaoutar; Messirdi, Bekkai 1 2011 On closed range operators in Hilbert space. Zbl 1262.47001Ould-Ali, Mohand; Messirdi, Bekkai 1 2010 Hamiltonians spectrum in Fermi resonance via the Birkhoff-Gustavson normal form. Zbl 1204.37049Ghomari, Kaoutar; Messirdi, Bekkai 1 2009 Drazin invertibility of sum and product of closed linear operators. Zbl 1371.47002Messirdi, Bekkai; Messirdi, Sanaa; Messirdi, Miloud 1 2014 An example of unbounded Fourier integral operator on \(L^2\) with symbol in \(\bigcap_{0<\rho<1}S^0_{\rho,1}\). Zbl 1146.35427Aïboudi, Mohamed; Messirdi, Bekkai; Senoussaoui, Abderrahmane 1 2007 Resonances of polyatomic molecules in the Born-Oppenheimer approximation. Zbl 1111.81360Messirdi, B.; Senoussaoui, A.; Djellouli, G. 1 2005 Resonances of a two-state semiclassical Schrödinger Hamiltonians. Zbl 1124.35070Messirdi, Bekkai; Ghomari, Kaoutar 1 2007 Further results on left and right generalized Drazin invertible operators. Zbl 07286282Messirdi, So.; Messirdi, Sa.; Messirdi, B. 1 2020 Further results on left and right generalized Drazin invertible operators. Zbl 07286282Messirdi, So.; Messirdi, Sa.; Messirdi, B. 1 2020 Left and right generalized Drazin invertible operators and local spectral theory. Zbl 07289337Benharrat, Mohammed; Hocine, Kouider Miloud; Messirdi, Bekkai 3 2019 Quotient of linear relations and applications. Zbl 07074026Gherbi, Abdellah; Messirdi, Bekkai 1 2019 The perturbation classes problem for generalized Drazin invertible operators. II. Zbl 1480.47002Ounadjela, Djalel; Benharrat, Mohammed; Messirdi, Bekkai 1 2019 The perturbation classes problem for generalized Drazin invertible operators. I. Zbl 1466.47002Ounadjela, Djalel; Hocine, Kouider Miloud; Messirdi, Bekkai 4 2018 Essential spectra and Drazin invertibility of quasisimilar closed operators. Zbl 1438.47035Djellouli, Ghouti; Azzouz, Abdelhalim; Messirdi, Bekkai 1 2018 A spectral method for fourth-order boundary value problems. Zbl 1449.35208Bouarroudj, Nadra; Belaib, Lekhmissi; Messirdi, Bekkai 1 2018 Linear boundary-value problems described by Drazin invertible operators. Zbl 1369.47011Khaldi, Nassima; Benharrat, Mohammed; Messirdi, Bekkai 3 2017 Generalized Kato linear relations. Zbl 1483.47008Benharrat, Mohammed; Álvarez, Teresa; Messirdi, Bekkai 2 2017 Left and right generalized Drazin invertible operators. Zbl 1320.47001Hocine, Kouider Miloud; Benharrat, Mohammed; Messirdi, Bekkai 15 2015 Quotient operators: new generation of linear operators. Zbl 1353.47002Gherbi, Abdellah; Messirdi, Bekkai; Benharrat, Mohammed 7 2015 A spectral analysis of linear operator pencils on Banach spaces with application to quotient of bounded operators. Zbl 1463.47047Messirdi, Bekkai; Gherbi, Abdellah; Amouch, Mohamed 4 2015 Strong metrizability for closed operators and the semi-Fredholm operators between two Hilbert spaces. Zbl 1463.47017Benharrat, Mohammed; Messirdi, Bekkai 2 2015 Quasi-compact perturbations of the Weyl essential spectrum and application to singular transport operators. Zbl 1463.47064Membarki, Leila; Benharrat, Mohammed; Messirdi, Bekkai 2 2015 Retracted: Spectral mapping theorem for generalized Kato spectrum. Zbl 1304.47016Amouch, M.; Benharrat, M.; Messirdi, B. 1 2015 On the spectral boundary value problems and boundary approximate controllability of linear systems. Zbl 1309.47011Khaldi, Nassima; Benharrat, Mohammed; Messirdi, Bekkai 5 2014 Relationship between the essential quasi-Fredholm spectrum and the closed-range spectrum. Zbl 1313.47010Benharrat, Mohammed; Messirdi, Bekkai 2 2014 On the Kato, semi-regular and essentially semi-regular spectra. Zbl 1352.47007Benharrat, Mohammed; Ammar, Aymen; Jeribi, Aref; Messirdi, Bekkai 2 2014 On different concepts of closedness of linear operators. Zbl 1303.47004Messirdi, Sanaa; Messirdi, Bekkai; Messirdi, Miloud 2 2014 Drazin invertibility of sum and product of closed linear operators. Zbl 1371.47002Messirdi, Bekkai; Messirdi, Sanaa; Messirdi, Miloud 1 2014 Semi-Fredholm operators and pure contractions in Hilbert space. Zbl 1293.47010Benharrat, Mohammed; Messirdi, Bekkai 1 2013 Asymptotic analysis for Schrödinger Hamiltonians via Birkhoff-Gustavson normal form. Zbl 1288.70014Ghomari, Kaoutar; Messirdi, Bekkai; Ngọc, San Vũ 1 2013 Essential spectrum: a brief survey of concepts and applications. Zbl 1278.47009Benharrat, Mohammed; Messirdi, Bekkai 1 2012 On the generalized Kato spectrum. Zbl 1259.47003Benharrat, M.; Messirdi, B. 5 2011 New results on the closedness of the product and sum of closed linear operators. Zbl 1314.47003Azzouz, A.; Messirdi, B.; Djellouli, G. 2 2011 Quantum Birkhoff-Gustavson normal form in some completely resonant cases. Zbl 1208.81079Ghomari, Kaoutar; Messirdi, Bekkai 1 2011 Some stronger topologies for closed operators in Hilbert space. Zbl 1257.47018Djellouli, Ghouti; Messirdi, Sanaa; Mesirdi, Bekkai 2 2010 On closed range operators in Hilbert space. Zbl 1262.47001Ould-Ali, Mohand; Messirdi, Bekkai 1 2010 Stability of almost closed operators on a Hilbert space. Zbl 1189.47003Messirdi, Sanaa; Djaa, Mustapha; Messirdi, Bekkai 3 2009 A class of generalized integral operators. Zbl 1177.35267Bekkara, Samir; Messirdi, Bekkai; Senoussaoui, Abderrahmane 3 2009 Hamiltonians spectrum in Fermi resonance via the Birkhoff-Gustavson normal form. Zbl 1204.37049Ghomari, Kaoutar; Messirdi, Bekkai 1 2009 A topological characterization of the product of two closed operators. Zbl 1142.47002Messirdi, Bekkai; Mortad, Mohammed Hichem; Azzouz, Abdelhalim; Djellouli, Ghouti 2 2008 An example of unbounded Fourier integral operator on \(L^2\) with symbol in \(\bigcap_{0<\rho<1}S^0_{\rho,1}\). Zbl 1146.35427Aïboudi, Mohamed; Messirdi, Bekkai; Senoussaoui, Abderrahmane 1 2007 Resonances of a two-state semiclassical Schrödinger Hamiltonians. Zbl 1124.35070Messirdi, Bekkai; Ghomari, Kaoutar 1 2007 \(L^2\)-boundedness and \(L^2\)-compactness of a class of Fourier integral operators. Zbl 1166.35039Messirdi, Bekkai; Senoussaoui, Abderrahmane 8 2006 Parametrix of the hyperbolic \(C^\infty\) Cauchy problem with a Leray-Volevich order system. (Parametrix du problème de Cauchy \(C^\infty\) hyperbolique muni d’un système d’ordres de Leray-Volevîc.) Zbl 1100.35133Messirdi, Bekkai; Senoussaoui, Abderrahmane 2 2005 Resonances of polyatomic molecules in the Born-Oppenheimer approximation. Zbl 1111.81360Messirdi, B.; Senoussaoui, A.; Djellouli, G. 1 2005 Resonances of diatomic molecules in the Born-Oppenheimer approximation. Zbl 0826.35148Martinez, André; Messirdi, Bekkai 12 1994 Born-Oppenheimer asymptotic for the molecular predissociation (case of regular potentials). (Asymptotique de Born-Oppenheimer pour la prédissociation moléculaire (cas de potentiels réguliers).) Zbl 0812.35109Messirdi, Bekkai 4 1994 all cited Publications top 5 cited Publications all top 5 Cited by 93 Authors 20 Messirdi, Bekkai 11 Benharrat, Mohammed 9 Senoussaoui, Abderrahmane 4 Martinez, André 3 Aid, Omar Farouk 3 Gherbi, Abdellah 3 Ghomari, Kaoutar 3 Hocine, Kouider Miloud 3 Messirdi, Sanaa 3 Messirdi, Sofiane 3 Mnif, Maher 3 Moalla, Nedra 2 Aitemrar, Chafika Amel 2 Álvarez Seco, Teresa 2 Amouch, Mohamed 2 Boudhief, Monia 2 Cvetković, Miloš D. 2 Fujiié, Setsuro 2 Jecko, Thierry 2 Ounadjela, Djalel 2 Sordoni, Vania 2 Watanabe, Takuya 1 Abdellah, Gherbi 1 Aiena, Pietro 1 Alhomidi Zakariya, M. R. F. 1 Ammar, Aymen 1 Ashida, Sohei 1 Ayad-Djemai, Setti 1 Baklouti, Hamadi 1 Bekkai, Messirdi 1 Belaib, Lekhmissi 1 Ben Ali, Anouer 1 Berkani, Mohammed 1 Bouarroudj, Nadra 1 Boukattaya, Bilel 1 Caragea, Andrei 1 Charfi, Salma 1 Cvetković-Ilić, Dragana S. 1 Djordjević, Bogdan D. 1 Djordjević, Slaviša V. 1 Drazin, Michael P. 1 Elong, Ouissam 1 Gesztesy, Fritz 1 Habel, Nawel 1 Hagedorn, George A. 1 Hajipouri, Rana 1 Haq, Abdul 1 Harrat, Chahrazed 1 Hireche, Faouzi 1 Jabbarzadeh, Mohammad Reza 1 Jeribi, Aref 1 Johnson, P. Sam 1 Kachmar, Ayman 1 Keraval, Pierig 1 Keskes, Sonia 1 Khaldi, Nassima 1 Krishna, Krishnanagara Mahesh 1 Lajnef, Melik 1 Latushkin, Yuri 1 Lee, Dae Gwan 1 Makarov, Konstantin A. 1 Mebarki, Leila 1 Messirdi, Miloud 1 Miloud Hocine, K. 1 Mokkedem, Fatima Zahra 1 Mortad, Mohammed Hichem 1 Nedelec, Laurence 1 Novikova, E. M. 1 Oudghiri, Mourad 1 Ouled-Hmed, Aman-Allah 1 Palafox, Sergio 1 Pavlović, Vladimir 1 Philipp, Friedrich 1 Rahali, Sassia 1 Raymond, Nicolas 1 Sanaa, Messirdi 1 Sánchez Perales, Salvador 1 Sandovici, Adrian 1 Selmi, Wafa 1 Souilah, Khalid 1 Sukavanam, Nagarajan 1 Sukochev, Fedor Anatol’evich 1 Tajmouati, Abdelaziz 1 Toloza, Julio H. 1 Tomilov, Yuri 1 Triolo, Salvatore 1 Voigtlaender, Felix 1 Wang, Long 1 Wei, Junchao 1 Yao, Hua 1 Zagorodnyuk, Sergey Mihaylovich 1 Zhao, Ruju 1 Živković-Zlatanović, Snežana Č. all top 5 Cited in 39 Serials 5 Journal of Mathematical Analysis and Applications 5 Asian-European Journal of Mathematics 4 Journal of Mathematical Physics 4 Turkish Journal of Mathematics 4 Filomat 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Annales de l’Institut Henri Poincaré. Physique Théorique 3 Matematychni Studiï 3 Complex Analysis and Operator Theory 3 Functional Analysis, Approximation and Computation 2 Mathematical Notes 2 Demonstratio Mathematica 2 Journal of Differential Equations 2 Facta Universitatis. Series Mathematics and Informatics 2 Linear Algebra and its Applications 2 Proyecciones 1 Analysis Mathematica 1 Applicable Analysis 1 Rocky Mountain Journal of Mathematics 1 Advances in Mathematics 1 Journal of the Mathematical Society of Japan 1 Mathematica Slovaca 1 Bulletin of the Iranian Mathematical Society 1 Extracta Mathematicae 1 Asymptotic Analysis 1 Mathematica Bohemica 1 Aequationes Mathematicae 1 Indagationes Mathematicae. New Series 1 Applied and Computational Harmonic Analysis 1 Georgian Mathematical Journal 1 Communications of the Korean Mathematical Society 1 Journal of Dynamical and Control Systems 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 1 Banach Journal of Mathematical Analysis 1 Confluentes Mathematici 1 Annals of Functional Analysis 1 International Journal of Analysis and Applications 1 Advances in Operator Theory all top 5 Cited in 14 Fields 56 Operator theory (47-XX) 24 Partial differential equations (35-XX) 14 Quantum theory (81-XX) 3 Associative rings and algebras (16-XX) 3 Ordinary differential equations (34-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Functional analysis (46-XX) 2 Systems theory; control (93-XX) 1 Group theory and generalizations (20-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Optics, electromagnetic theory (78-XX) Citations by Year