Edit Profile (opens in new tab) El Hajj, Ahmad Compute Distance To: Compute Author ID: el-hajj.ahmad Published as: El Hajj, Ahmad; El Hajj, A.; Hajj, Ahmad El Homepage: http://lmac.utc.fr/auteur/ahmad-el-hajj External Links: MGP · ORCID · dblp Documents Indexed: 32 Publications since 2007 Co-Authors: 17 Co-Authors with 29 Joint Publications 172 Co-Co-Authors all top 5 Co-Authors 3 single-authored 13 El Badia, Abdellatif 6 Ibrahim, Hassan 5 Abdelaziz, Batoul 5 Monneau, Régis 4 Jazar, Mustapha 3 Boudjerada, Rachida 3 Moustafa, Hayat 3 Oussaily, Aya 3 Rizik, Vivian 1 Al Zohbi, Maryam 1 Bacha, Rekia Meriem Ahmed 1 Batoul, Abdelaziz 1 Cannone, Marco 1 Forcadel, Nicolas 1 Mottelet, Stéphane 1 Moulay, Mohamed Said 1 Ribaud, Francis all top 5 Serials 3 Comptes Rendus. Mathématique. Académie des Sciences, Paris 2 Applicable Analysis 2 Inverse Problems 2 Journal of Hyperbolic Differential Equations 2 Inverse Problems and Imaging 1 Archive for Rational Mechanics and Analysis 1 Journal of Mathematical Analysis and Applications 1 Mathematical Methods in the Applied Sciences 1 Nonlinearity 1 Mathematics of Computation 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Journal of Differential Equations 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 1 SIAM Journal on Applied Mathematics 1 SIAM Journal on Mathematical Analysis 1 Journal of Nonlinear Science 1 Continuum Mechanics and Thermodynamics 1 Journal of Inverse and Ill-Posed Problems 1 NoDEA. Nonlinear Differential Equations and Applications 1 Discrete and Continuous Dynamical Systems 1 European Series in Applied and Industrial Mathematics (ESAIM): Proceedings 1 Communications on Pure and Applied Analysis 1 Communications in Mathematical Sciences 1 European Series in Applied and Industrial Mathematics (ESAIM): Mathematical Modelling and Numerical Analysis 1 European Series in Applied and Industrial Mathematics (ESAIM): Proceedings and Surveys all top 5 Fields 30 Partial differential equations (35-XX) 15 Mechanics of deformable solids (74-XX) 10 Numerical analysis (65-XX) 5 Calculus of variations and optimal control; optimization (49-XX) 3 Mechanics of particles and systems (70-XX) 1 Ordinary differential equations (34-XX) 1 Integral equations (45-XX) 1 Operator theory (47-XX) 1 General topology (54-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Optics, electromagnetic theory (78-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Biology and other natural sciences (92-XX) 1 Systems theory; control (93-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 24 Publications have been cited 150 times in 63 Documents Cited by ▼ Year ▼ A convergent scheme for a non-local coupled system modelling dislocations densities dynamics. Zbl 1133.35097El Hajj, A.; Forcadel, N. 15 2008 Direct algorithm for multipolar sources reconstruction. Zbl 1325.65149Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 13 2015 Well-posedness theory for a nonconservative Burgers-type system arising in dislocation dynamics. Zbl 1149.35056El Hajj, Ahmad 13 2007 Global existence for a system of nonlinear and non-local transport equations describing the dynamics of dislocation densities. Zbl 1193.35218Cannone, Marco; Hajj, Ahmad El; Monneau, Régis; Ribaud, Francis 12 2010 Dislocation dynamics: from microscopic models to macroscopic crystal plasticity. Zbl 1178.35047El Hajj, A.; Ibrahim, H.; Monneau, R. 12 2009 Identification of dislocations in materials from boundary measurements. Zbl 1267.35252El Badia, A.; El Hajj, A. 9 2013 Direct algorithms for solving some inverse source problems in 2D elliptic equations. Zbl 1328.35295Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 9 2015 Global continuous solutions for diagonal hyperbolic systems with large and monotone data. Zbl 1198.35143El Hajj, Ahmad; Monneau, Régis 8 2010 Reconstruction of extended sources with small supports in the elliptic equation \(\Delta u+\mu u=F\) from a single Cauchy data. (Reconstruction de sources dont le support est de petite taille, dans l’équation elliptique \(\Delta u+\mu u=F\), à partir d’une seule donnée de Cauchy.) Zbl 1282.35405Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 7 2013 Stability estimates for an inverse source problem of Helmholtz’s equation from single Cauchy data at a fixed frequency. Zbl 1292.65114El Badia, Abdellatif; El Hajj, Ahmad 7 2013 Global existence results for eikonal equation with \(BV\) initial data. Zbl 1327.35066Boudjerada, R.; El Hajj, A. 6 2015 Uniqueness results for diagonal hyperbolic systems with large and monotone data. Zbl 1284.35007El Hajj, Ahmad; Monneau, Régis 6 2013 Hölder stability estimates for some inverse pointwise source problems. Zbl 1271.35029El Badia, Abdellatif; El Hajj, Ahmad 6 2012 Short time existence and uniqueness in Hölder spaces for the 2D dynamics of dislocation densities. Zbl 1184.35198El Hajj, A. 5 2010 Global \(BV\) solution for a non-local coupled system modeling the dynamics of dislocation densities. Zbl 1378.35265El Hajj, Ahmad; Ibrahim, Hassan; Rizik, Vivian 5 2018 Logarithmic stability estimates for an inverse source problem from interior measurements. Zbl 1390.35414El Badia, Abdellatif; El Hajj, A.; Jazar, M.; Moustafa, H. 3 2018 Lipschitz stability estimates for an inverse source problem in an elliptic equation from interior measurements. Zbl 1348.35316El Badia, A.; El Hajj, A.; Jazar, M.; Moustafa, H. 3 2016 Existence result for a one-dimensional eikonal equation. (Résultat d’existence pour l’équation eikonale unidimensionnelle.) Zbl 1310.35072Boudjerada, Rachida; El Hajj, Ahmad; Moulay, Mohamed Said 3 2015 Existence and uniqueness of continuous solution for a non-local coupled system modeling the dynamics of dislocation densities. Zbl 1462.35332El Hajj, A.; Oussaily, A. 2 2021 \(BV\) solution for a non-linear Hamilton-Jacobi system. Zbl 1465.35112El Hajj, Ahmad; Ibrahim, Hassan; Rizik, Vivian 2 2021 Global solution for a non-local eikonal equation modelling dislocation dynamics. Zbl 1383.35050El Hajj, A. 1 2018 Some remarks on the small electromagnetic inhomogeneities reconstruction problem. Zbl 1377.49038Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 1 2017 Identification of point sources in an elliptic equation from interior measurements: application to a seawater intrusion problem. Zbl 1418.35379El Badia, Abdellatif; El Hajj, Ahmad; Jazar, Mustapha; Moustafa, Hayat 1 2019 Global existence to a diagonal hyperbolic system for any BV initial data. Zbl 1467.35213Al Zohbi, Maryam; El Hajj, Ahmad; Jazar, Mustapha 1 2021 Existence and uniqueness of continuous solution for a non-local coupled system modeling the dynamics of dislocation densities. Zbl 1462.35332El Hajj, A.; Oussaily, A. 2 2021 \(BV\) solution for a non-linear Hamilton-Jacobi system. Zbl 1465.35112El Hajj, Ahmad; Ibrahim, Hassan; Rizik, Vivian 2 2021 Global existence to a diagonal hyperbolic system for any BV initial data. Zbl 1467.35213Al Zohbi, Maryam; El Hajj, Ahmad; Jazar, Mustapha 1 2021 Identification of point sources in an elliptic equation from interior measurements: application to a seawater intrusion problem. Zbl 1418.35379El Badia, Abdellatif; El Hajj, Ahmad; Jazar, Mustapha; Moustafa, Hayat 1 2019 Global \(BV\) solution for a non-local coupled system modeling the dynamics of dislocation densities. Zbl 1378.35265El Hajj, Ahmad; Ibrahim, Hassan; Rizik, Vivian 5 2018 Logarithmic stability estimates for an inverse source problem from interior measurements. Zbl 1390.35414El Badia, Abdellatif; El Hajj, A.; Jazar, M.; Moustafa, H. 3 2018 Global solution for a non-local eikonal equation modelling dislocation dynamics. Zbl 1383.35050El Hajj, A. 1 2018 Some remarks on the small electromagnetic inhomogeneities reconstruction problem. Zbl 1377.49038Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 1 2017 Lipschitz stability estimates for an inverse source problem in an elliptic equation from interior measurements. Zbl 1348.35316El Badia, A.; El Hajj, A.; Jazar, M.; Moustafa, H. 3 2016 Direct algorithm for multipolar sources reconstruction. Zbl 1325.65149Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 13 2015 Direct algorithms for solving some inverse source problems in 2D elliptic equations. Zbl 1328.35295Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 9 2015 Global existence results for eikonal equation with \(BV\) initial data. Zbl 1327.35066Boudjerada, R.; El Hajj, A. 6 2015 Existence result for a one-dimensional eikonal equation. (Résultat d’existence pour l’équation eikonale unidimensionnelle.) Zbl 1310.35072Boudjerada, Rachida; El Hajj, Ahmad; Moulay, Mohamed Said 3 2015 Identification of dislocations in materials from boundary measurements. Zbl 1267.35252El Badia, A.; El Hajj, A. 9 2013 Reconstruction of extended sources with small supports in the elliptic equation \(\Delta u+\mu u=F\) from a single Cauchy data. (Reconstruction de sources dont le support est de petite taille, dans l’équation elliptique \(\Delta u+\mu u=F\), à partir d’une seule donnée de Cauchy.) Zbl 1282.35405Abdelaziz, Batoul; El Badia, Abdellatif; El Hajj, Ahmad 7 2013 Stability estimates for an inverse source problem of Helmholtz’s equation from single Cauchy data at a fixed frequency. Zbl 1292.65114El Badia, Abdellatif; El Hajj, Ahmad 7 2013 Uniqueness results for diagonal hyperbolic systems with large and monotone data. Zbl 1284.35007El Hajj, Ahmad; Monneau, Régis 6 2013 Hölder stability estimates for some inverse pointwise source problems. Zbl 1271.35029El Badia, Abdellatif; El Hajj, Ahmad 6 2012 Global existence for a system of nonlinear and non-local transport equations describing the dynamics of dislocation densities. Zbl 1193.35218Cannone, Marco; Hajj, Ahmad El; Monneau, Régis; Ribaud, Francis 12 2010 Global continuous solutions for diagonal hyperbolic systems with large and monotone data. Zbl 1198.35143El Hajj, Ahmad; Monneau, Régis 8 2010 Short time existence and uniqueness in Hölder spaces for the 2D dynamics of dislocation densities. Zbl 1184.35198El Hajj, A. 5 2010 Dislocation dynamics: from microscopic models to macroscopic crystal plasticity. Zbl 1178.35047El Hajj, A.; Ibrahim, H.; Monneau, R. 12 2009 A convergent scheme for a non-local coupled system modelling dislocations densities dynamics. Zbl 1133.35097El Hajj, A.; Forcadel, N. 15 2008 Well-posedness theory for a nonconservative Burgers-type system arising in dislocation dynamics. Zbl 1149.35056El Hajj, Ahmad 13 2007 all cited Publications top 5 cited Publications all top 5 Cited by 91 Authors 20 El Hajj, Ahmad 10 El Badia, Abdellatif 10 Monneau, Régis 7 Ibrahim, Hassan 5 Jazar, Mustapha 3 Abdelaziz, Batoul 3 Garroni, Adriana 3 Guo, Yukun 3 Moustafa, Hayat 3 Oussaily, Aya 3 Peletier, Mark Adriaan 3 van Meurs, Patrick 3 Wang, Xianchao 2 Bao, Gang 2 Boudjerada, Rachida 2 Bousba, Sara 2 Darbas, Marion 2 El Madkouri, Abdessamad 2 Ellabib, Abdellatif 2 Hinze, Michael 2 Hudson, Thomas 2 Liu, Yuantong 2 Lohrengel, Stephanie 2 Nielsen, Bjørn Fredrik 2 Quyen, Tran Nhan Tam 2 Rizik, Vivian 2 Triki, Faouzi 2 Zou, Jun 1 Al Jebawy, Hanin 1 Al Zohbi, Maryam 1 Alicandro, Roberto 1 Băleanu, Dumitru I. 1 Batoul, Abdelaziz 1 Briani, Ariela 1 Cacace, Simone 1 Cai, Xiao-Chuan 1 Cannone, Marco 1 Chambolle, Antonin 1 Charkaoui, Abderrahim 1 Chen, Jiecheng 1 Chen, Zhiming 1 Conti, Sergio 1 Cozzi, Matteo 1 Dávila, Juan 1 De Luca, Lucia 1 Del Pino, Manuel A. 1 Deng, Xiaomao 1 Diallo, Mohamadou Malal 1 Eddine Alaa, Nour 1 Elvetun, Ole Iøseth 1 Elvetun, Ole Løseth 1 Feng, Hui 1 Fino, Ahmad Z. 1 Hamdi, Adel 1 Hassine, Maatoug 1 Hofmann, Bernd 1 Hrizi, Mourad 1 Jiang, Daijun 1 Jourdain, Benjamin 1 Kulczycki, Tadeusz 1 Li, Dong 1 Li, Jingzhi 1 Li, Longsuo 1 Liao, Ziju 1 Liu, Hongyu 1 Long, Le Dinh 1 Luo, Tao 1 Miao, Changxing 1 Ming, Pingbing 1 Morandotti, Marco 1 Nguyen Hoang Luc 1 Nguyen-Huu Can 1 Ortiz, Michael 1 Patrizi, Stefania 1 Ponsiglione, Marcello 1 Ren, Kui 1 Reygner, Julien 1 Ribaud, Francis 1 Rossi, Riccarda 1 Savaré, Giuseppe 1 Scardia, Lucia 1 Song, Minghui 1 Tonnoir, Antoine 1 Tse, Oliver 1 Wan, Renhui 1 Xiang, Yang 1 Xue, Liutang 1 Zhang, Deyue 1 Zhang, Wenlong 1 Zhong, Yimin 1 Zhu, Jiaqi all top 5 Cited in 43 Serials 4 Archive for Rational Mechanics and Analysis 4 Inverse Problems 4 Inverse Problems and Imaging 3 Applicable Analysis 3 Journal of Differential Equations 3 Journal of Hyperbolic Differential Equations 2 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 2 Journal of Nonlinear Science 2 Journal of Inverse and Ill-Posed Problems 2 European Series in Applied and Industrial Mathematics (ESAIM): Mathematical Modelling and Numerical Analysis 2 Inverse Problems in Science and Engineering 1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 1 Journal of Computational Physics 1 Journal of Mathematical Analysis and Applications 1 Journal of the Mechanics and Physics of Solids 1 Nonlinearity 1 Advances in Mathematics 1 Journal of Computational and Applied Mathematics 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Numerical Functional Analysis and Optimization 1 Numerische Mathematik 1 SIAM Journal on Numerical Analysis 1 European Journal of Applied Mathematics 1 M\(^3\)AS. Mathematical Models & Methods in Applied Sciences 1 Communications in Partial Differential Equations 1 SIAM Journal on Applied Mathematics 1 Continuum Mechanics and Thermodynamics 1 Calculus of Variations and Partial Differential Equations 1 NoDEA. Nonlinear Differential Equations and Applications 1 Discrete and Continuous Dynamical Systems 1 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 1 Journal of Inequalities and Applications 1 Journal of the European Mathematical Society (JEMS) 1 Communications in Contemporary Mathematics 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Communications on Pure and Applied Analysis 1 International Journal of Computational Methods 1 International Journal of Numerical Analysis and Modeling 1 Communications in Computational Physics 1 International Journal of Applied and Computational Mathematics 1 Minimax Theory and its Applications 1 European Series in Applied and Industrial Mathematics (ESAIM): Proceedings and Surveys 1 Journal of Elliptic and Parabolic Equations all top 5 Cited in 24 Fields 53 Partial differential equations (35-XX) 28 Numerical analysis (65-XX) 25 Mechanics of deformable solids (74-XX) 13 Calculus of variations and optimal control; optimization (49-XX) 6 Statistical mechanics, structure of matter (82-XX) 5 Operator theory (47-XX) 4 Mechanics of particles and systems (70-XX) 4 Biology and other natural sciences (92-XX) 3 Optics, electromagnetic theory (78-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Functional analysis (46-XX) 2 General topology (54-XX) 2 Probability theory and stochastic processes (60-XX) 2 Systems theory; control (93-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Real functions (26-XX) 1 Functions of a complex variable (30-XX) 1 Potential theory (31-XX) 1 Ordinary differential equations (34-XX) 1 Integral equations (45-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Fluid mechanics (76-XX) 1 Quantum theory (81-XX) 1 Mathematics education (97-XX) Citations by Year