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## El-Saify, Hussain A.

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 Author ID: el-saify.hussain-a Published as: El-Saify, H. A.; El Saify, H. A.; El-Saify, Hussain A.
 Documents Indexed: 30 Publications since 1981 Reviewing Activity: 45 Reviews
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#### Co-Authors

 10 single-authored 9 Gali, I. M. 4 Bahaa, Gaber Mohamed 4 Kotarski, Wiesław 3 Shehata, M. A. 2 Serag, Hassan M. 1 Abdual-Gawad, B. G. 1 AlNemer, Ghada 1 El-Hamid, H. A. Abd 1 El-Zahabi, S. A. 1 El-Zahaby, S. A. 1 Gaber, B. M. 1 Rezk, Haytham M. 1 Zakarya, M.
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#### Serials

 4 Journal of Mathematical Analysis and Applications 3 IMA Journal of Mathematical Control and Information 2 Mathematica Slovaca 2 Journal of Information & Optimization Sciences 2 Journal of the Egyptian Mathematical Society 2 Journal of Dynamical and Control Systems 1 Computers & Mathematics with Applications 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Optimization Theory and Applications 1 Proceedings of the Mathematical and Physical Society of Egypt 1 Revista de Matemáticas Aplicadas 1 Journal of Mathematics. The Punjab University 1 Journal of Interdisciplinary Mathematics 1 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 1 International Journal of Pure and Applied Mathematics 1 Journal of Function Spaces

#### Fields

 29 Calculus of variations and optimal control; optimization (49-XX) 21 Partial differential equations (35-XX) 20 Systems theory; control (93-XX) 3 Operator theory (47-XX) 2 Real functions (26-XX)

#### Citations contained in zbMATH Open

23 Publications have been cited 74 times in 26 Documents Cited by Year
Optimal control of parabolic equation with an infinite number of variables for non-standard functional and time delay. Zbl 1044.49018
Kotarski, W.; El-Saify, H. A.; Bahaa, G. M.
2002
Optimal control for $$n\times n$$ systems of hyperbolic types. Zbl 0994.49001
El-Saify, H. A.; Gaber, B. M.
2001
Boundary control problem with an infinite number of variables. Zbl 0999.49003
El-Saify, Hussain A.
2001
Distributed control of a system governed by Dirichlet and Neumann problems for a self-adjoint elliptic operator with an infinite number of variables. Zbl 0481.49015
Gali, I. M.; El-Saify, H. A.
1983
Optimal control of a system governed by a self-adjoint elliptic operator with an infinite number of variables. Zbl 0528.49013
Gali, I. M.; El-Saify, H. A.
1981
Optimal control of a system governed by hyperbolic operator with an infinite number of variables. Zbl 0563.49013
Gali, I. M.; El-Saify, H. A.
1982
Optimal control of $$n\times n$$ parabolic system involving time lag. Zbl 1094.49019
El-Saify, H. A.
2005
Optimal control problem for a hyperbolic system with mixed control-state constraints involving operator of infinite order. Zbl 1009.49021
Kotarski, W.; El-Saify, H. A.; Bahaa, G. M.
2002
Control of systems governed by infinite order equation of hyperbolic type. Zbl 0545.93040
Gali, I. M.; El-Saify, H. A.
1983
Optimal control for $$n\times n$$ hyperbolic systems involving operators of infinite order. Zbl 1016.49003
El-Saify, H. A.; Bahaa, G. M.
2002
Time-optimal control of parabolic lag system with infinite variables. Zbl 1172.49003
Kotarski, W.; El-Saify, H. A.; Shehata, M. A.
2007
Optimal control of systems governed by Petrowsky type equation with an infinite number of variables. Zbl 0535.49017
Gali, I. M.; El-Saify, H. A.
1983
Distributed control of a system governed by Dirichlet and Neumann problems for elliptic equations of infinite order. Zbl 0545.93039
Gali, I. M.; El-Saify, H. A.; El-Zahaby, S. A.
1983
Optimal boundary control problem for $$n\times n$$ infinite-order parabolic lag system. Zbl 1113.49023
El-Saify, H. A.
2006
Optimality of the boundary control for $$n\times n$$ parabolic lag system. Zbl 1101.49017
Kotarski, W.; El-Saify, H. A.
2006
Optimal control of a system governed by hyperbolic operator with an infinite number of variables. Zbl 0503.49013
Gali, I. M.; El-Saify, H. A.
1982
Optimal control for $$n \times n$$ coupled systems governed by Petrowsky type equations with control-constrained and infinite number of variables. Zbl 1088.49023
El-Saify, H. A.; Bahaa, G. M.
2003
Dynamic inequalities in quotients with general kernels and measures. Zbl 1448.26022
El-Hamid, H. A. Abd; Rezk, H. M.; Ahmed, A. M.; AlNemer, Ghada; Zakarya, M.; El Saify, H. A.
2020
Quadratic optimal control problem for differential system of Petrowsky type. Zbl 1087.49025
El-Saify, H. A.
2006
On optimal control for the hyperbolic operator with an infinite number of variables. Zbl 0516.49007
El-Saify, H. A.
1983
Boundary control for the parabolic operator with an infinite number of variables. Zbl 0547.49013
El-Saify, H. A.
1983
Optimal control problem for infinite order parabolic lag system. Zbl 1117.49022
El-Saify, H. A.
2006
Optimality conditions for infinite order hyperbolic differential system. Zbl 1109.49024
El Saify, H. A.
2006
Dynamic inequalities in quotients with general kernels and measures. Zbl 1448.26022
El-Hamid, H. A. Abd; Rezk, H. M.; Ahmed, A. M.; AlNemer, Ghada; Zakarya, M.; El Saify, H. A.
2020
Time-optimal control of parabolic lag system with infinite variables. Zbl 1172.49003
Kotarski, W.; El-Saify, H. A.; Shehata, M. A.
2007
Optimal boundary control problem for $$n\times n$$ infinite-order parabolic lag system. Zbl 1113.49023
El-Saify, H. A.
2006
Optimality of the boundary control for $$n\times n$$ parabolic lag system. Zbl 1101.49017
Kotarski, W.; El-Saify, H. A.
2006
Quadratic optimal control problem for differential system of Petrowsky type. Zbl 1087.49025
El-Saify, H. A.
2006
Optimal control problem for infinite order parabolic lag system. Zbl 1117.49022
El-Saify, H. A.
2006
Optimality conditions for infinite order hyperbolic differential system. Zbl 1109.49024
El Saify, H. A.
2006
Optimal control of $$n\times n$$ parabolic system involving time lag. Zbl 1094.49019
El-Saify, H. A.
2005
Optimal control for $$n \times n$$ coupled systems governed by Petrowsky type equations with control-constrained and infinite number of variables. Zbl 1088.49023
El-Saify, H. A.; Bahaa, G. M.
2003
Optimal control of parabolic equation with an infinite number of variables for non-standard functional and time delay. Zbl 1044.49018
Kotarski, W.; El-Saify, H. A.; Bahaa, G. M.
2002
Optimal control problem for a hyperbolic system with mixed control-state constraints involving operator of infinite order. Zbl 1009.49021
Kotarski, W.; El-Saify, H. A.; Bahaa, G. M.
2002
Optimal control for $$n\times n$$ hyperbolic systems involving operators of infinite order. Zbl 1016.49003
El-Saify, H. A.; Bahaa, G. M.
2002
Optimal control for $$n\times n$$ systems of hyperbolic types. Zbl 0994.49001
El-Saify, H. A.; Gaber, B. M.
2001
Boundary control problem with an infinite number of variables. Zbl 0999.49003
El-Saify, Hussain A.
2001
Distributed control of a system governed by Dirichlet and Neumann problems for a self-adjoint elliptic operator with an infinite number of variables. Zbl 0481.49015
Gali, I. M.; El-Saify, H. A.
1983
Control of systems governed by infinite order equation of hyperbolic type. Zbl 0545.93040
Gali, I. M.; El-Saify, H. A.
1983
Optimal control of systems governed by Petrowsky type equation with an infinite number of variables. Zbl 0535.49017
Gali, I. M.; El-Saify, H. A.
1983
Distributed control of a system governed by Dirichlet and Neumann problems for elliptic equations of infinite order. Zbl 0545.93039
Gali, I. M.; El-Saify, H. A.; El-Zahaby, S. A.
1983
On optimal control for the hyperbolic operator with an infinite number of variables. Zbl 0516.49007
El-Saify, H. A.
1983
Boundary control for the parabolic operator with an infinite number of variables. Zbl 0547.49013
El-Saify, H. A.
1983
Optimal control of a system governed by hyperbolic operator with an infinite number of variables. Zbl 0563.49013
Gali, I. M.; El-Saify, H. A.
1982
Optimal control of a system governed by hyperbolic operator with an infinite number of variables. Zbl 0503.49013
Gali, I. M.; El-Saify, H. A.
1982
Optimal control of a system governed by a self-adjoint elliptic operator with an infinite number of variables. Zbl 0528.49013
Gali, I. M.; El-Saify, H. A.
1981
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#### Cited by 18 Authors

 10 El-Saify, Hussain A. 8 Bahaa, Gaber Mohamed 7 Kotarski, Wiesław 3 Gali, I. M. 2 Kowalewski, Adam 1 AlNemer, Ghada 1 Bedaiwi, G. M. 1 El-Hamid, H. A. Abd 1 El-Zahaby, S. A. 1 Katani, Roghayeh 1 Krakowiak, Anna 1 Ledzewicz, Urszula 1 Qamlo, A. H. 1 Rezk, Haytham M. 1 Serag, Hassan M. 1 Shahmorad, Sedaghat 1 Shehata, M. A. 1 Zakarya, M.
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#### Cited in 18 Serials

 3 Journal of Mathematical Analysis and Applications 3 Journal of Optimization Theory and Applications 2 Mathematica Slovaca 2 Journal of Information & Optimization Sciences 2 International Journal of Applied Mathematics and Computer Science 2 Journal of Dynamical and Control Systems 1 Applicable Analysis 1 Computers & Mathematics with Applications 1 Ukrainian Mathematical Journal 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Numerical Functional Analysis and Optimization 1 European Journal of Control 1 Journal of Interdisciplinary Mathematics 1 Journal of Applied Mathematics 1 Advances in Difference Equations 1 Asian-European Journal of Mathematics 1 Advances in Differential Equations and Control Processes 1 Journal of Function Spaces
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#### Cited in 7 Fields

 24 Calculus of variations and optimal control; optimization (49-XX) 17 Partial differential equations (35-XX) 11 Systems theory; control (93-XX) 2 Real functions (26-XX) 2 Operator theory (47-XX) 1 Integral equations (45-XX) 1 Numerical analysis (65-XX)