All Stories

  1. Fractional optimal control in non-normable spaces: weak formulation and optimality system

    Article • Arabian Journal of Mathematics, May 2026, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  2. Optimal control of fractional quantum systems governed by the Caputo time-fractional Schrödinger equation

    Article • Journal of King Saud University - Science, May 2026, Scientific Scholar

    Prof.Dr. G.M Bahaa

  3. Fractional optimal control analysis of a melanoma tumor–immune–drug interaction model with numerical simulations

    Article • Boundary Value Problems, April 2026, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  4. Fractional optimal control and numerical analysis of a Zika virus transmission model

    Article • Boundary Value Problems, March 2026, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  5. Fractional optimal control of breast cancer dynamics using Caputo derivatives: modeling, analysis, and numerical investigation

    Article • Boundary Value Problems, March 2026, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  6. Optimal control of coupled fractional dynamical systems using Caputo–Fabrizio derivatives and Forward–Backward Sweep Method

    Article • Journal of Inequalities and Applications, December 2025, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  7. Numerical solutions for fractional optimal control problems of coupled diffusion systems via Laplace Adomian Decomposition Method

    Article • Boundary Value Problems, September 2025, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  8. Fractional Optimal Control Problem for Symmetric System Involving Distributed-Order Atangana–Baleanu Derivatives with Non-Singular Kernel

    Article • Symmetry, March 2025, MDPI AG

    Prof.Dr. G.M Bahaa

  9. Fractional Optimal Control For Infinite Variables Parabolic SystemsWith Time Lags Given In Integral Form

    Article • December 2024, MDPI AG

    Prof.Dr. G.M Bahaa

  10. Optimality Conditions for Systems with Distributed Parameters Based on the Dubovitskii–Milyutin Theorem with Incomplete Information About the Initial Conditions

    Article • Journal of Mathematical Sciences, October 2023, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  11. Bang-Bang Property and Time Optimal Control For Caputo Fractional Differential Systems

    Article • September 2023, MDPI AG

    Prof.Dr. G.M Bahaa

  12. Generalized variational calculus in terms of multi-parameters involving Atangana-Baleanu's derivatives and application

    Article • Discrete and Continuous Dynamical Systems - S, January 2020, American Institute of Mathematical Sciences (AIMS)

    Prof.Dr. G.M Bahaa

  13. Optimal control problem and maximum principle for fractional order cooperative systems

    Article • Kybernetika, June 2019, Institute of Information Theory and Automation

    Prof.Dr. G.M Bahaa

  14. Elementary waves, Riemann problem, Riemann invariants and new conservation laws for the pressure gradient model

    Article • The European Physical Journal Plus, May 2019, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  15. Optimal control problem for variable-order fractional differential systems with time delay involving Atangana–Baleanu derivatives

    Article • Chaos Solitons & Fractals, May 2019, Elsevier

    Prof.Dr. G.M Bahaa

  16. Integral inequalities of Hilbert's type involving Fenchel-Legendre transform with applications

    Article • Journal of Taibah University for Science, February 2019, Taylor & Francis

    Prof.Dr. G.M Bahaa

  17. Time-Fractional Optimal Control of Initial Value Problems on Time Scales

    Article • January 2019, Springer Science + Business Media

    Professor Delfim F. M. Torres, Prof.Dr. G.M Bahaa

  18. Necessary and Sufficient Optimality Conditions for Fractional Problems Involving Atangana–Baleanu’s Derivatives

    Article • January 2019, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  19. On Mittag-Leffler Kernel-Dependent Fractional Operators with Variable Order

    Article • January 2019, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  20. Optimal control problem for coupled time-fractional diffusion systems with final observations

    Article • Journal of Taibah University for Science, November 2018, Taylor & Francis

    Prof.Dr. G.M Bahaa

  21. Numerical solutions for optimal control problem governed by elliptic system on Lipschitz domains

    Article • Journal of Taibah University for Science, September 2018, Taylor & Francis

    Prof.Dr. G.M Bahaa, Shaban Khidr

  22. Optimality conditions for fractional differential inclusions with nonsingular Mittag–Leffler kernel

    Article • Advances in Difference Equations, July 2018, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  23. Fractional optimal control problem for variable-order differential systems

    Article • Fractional Calculus and Applied Analysis, December 2017, De Gruyter

    Prof.Dr. G.M Bahaa

  24. Optimal Control Problem for Coupled Time-Fractional Evolution Systems with Control Constraints

    Article • Differential Equations and Dynamical Systems, November 2017, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  25. Fractional optimal control problem for differential system with delay argument

    Article • Advances in Difference Equations, March 2017, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  26. Fractional optimal control problem for infinite order system with control constraints

    Article • Advances in Difference Equations, September 2016, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  27. Fractional optimal control problem for variational inequalities with control constraints

    Article • IMA Journal of Mathematical Control and Information, August 2016, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  28. Time-Optimal Control of Infinite Order Distributed Parabolic Systems Involving Multiple Time-Varying Lags

    Article • Numerical Functional Analysis and Optimization, June 2016, Taylor & Francis

    Prof.Dr. G.M Bahaa

  29. Fractional optimal control problem for differential system with control constraints

    Article • Filomat, January 2016, National Library of Serbia

    Prof.Dr. G.M Bahaa

  30. Global analysis of a model of bioreactor with cell recycling using general form of rate functions

    Article • Journal of Taibah University for Science, July 2015, Taylor & Francis

    Prof.Dr. G.M Bahaa

  31. Pareto optimal control for mixed Neumann infinite-order parabolic system with state-control constraints

    Article • Journal of Taibah University for Science, April 2015, Taylor & Francis

    Prof.Dr. G.M Bahaa

  32. Bifurcation and chaotic in a model for activated sludge reactors

    Article • The European Physical Journal Plus, April 2015, Springer Science + Business Media

    Prof.Dr. G.M Bahaa

  33. Time-optimal control of infinite order distributed parabolic systems involving time lags

    Article • Beni-Suef University Journal of Basic and Applied Sciences, June 2014, Elsevier

    Prof.Dr. G.M Bahaa

  34. An optimization problem for infinite order distributed parabolic systems with multiple time-varying lags

    Article • Journal of Taibah University for Science, July 2013, Taylor & Francis

    Prof.Dr. G.M Bahaa

  35. Boundary Control for 2 × 2 Elliptic Systems with Conjugation Conditions

    Article • Intelligent Control and Automation, January 2013, Scientific Research Publishing, Inc,

    Prof.Dr. G.M Bahaa

  36. Time-optimal control of (n×n) infinite order parabolic system with time lags given in integral form

    Article • Journal of Information and Optimization Sciences, March 2012, Taru Publications

    Prof.Dr. G.M Bahaa

  37. Boundary Control Problem of Infinite Order Distributed Hyperbolic Systems Involving Time Lags

    Article • Intelligent Control and Automation, January 2012, Scientific Research Publishing, Inc,

    Prof.Dr. G.M Bahaa

  38. Optimality Conditions for Infinite Order Distributed Parabolic Systems with Multiple Time Delays

    Article • Journal of Applied Mathematics, January 2012, Hindawi Publishing Corporation

    Prof.Dr. G.M Bahaa

  39. Retraction: Boundary control for hyperbolic systems involving infinite-order operators with control constraints

    Article • IMA Journal of Mathematical Control and Information, March 2011, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  40. Optimal control problem for infinite variables hyperbolic systems with time lags

    Article • Archives of Control Sciences, January 2011, De Gruyter

    Prof.Dr. G.M Bahaa

  41. Boundary control for hyperbolic systems involving infinite-order operators with control constraints

    Article • IMA Journal of Mathematical Control and Information, November 2008, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  42. OPTIMALITY CONDITIONS FOR COOPERATIVE PARABOLIC SYSTEMS GOVERNED BY SCHRÖDINGER OPERATORS WITH CONTROL CONSTRAINTS

    Article • Asian-European Journal of Mathematics, June 2008, World Scientific Pub Co Pte Lt

    Prof.Dr. G.M Bahaa

  43. Optimal control problems of parabolic equations with an infinite number of variables and with equality constraints

    Article • IMA Journal of Mathematical Control and Information, March 2007, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  44. Optimality conditions for n x n infinite-order parabolic coupled systems with control constraints and general performance index

    Article • IMA Journal of Mathematical Control and Information, March 2007, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  45. Optimal control for cooperative parabolic systems governed by Schrödinger operator with control constraints

    Article • IMA Journal of Mathematical Control and Information, March 2007, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  46. Time-optimal control problem for parabolic equations with control constraints and infinite number of variables

    Article • IMA Journal of Mathematical Control and Information, September 2005, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  47. Optimal Control Problem for Infinite Order Hyperbolic System with Mixed Control-State Constraints

    Article • European Journal of Control, January 2005, Elsevier

    Prof.Dr. G.M Bahaa

  48. Quadratic Pareto optimal control of parabolic equation with state-control constraints and an infinite number of variables

    Article • IMA Journal of Mathematical Control and Information, June 2003, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa

  49. Optimal control of parabolic equation with an infinite number of variables for non-standard functional and time delay

    Article • IMA Journal of Mathematical Control and Information, December 2002, Oxford University Press (OUP)

    Prof.Dr. G.M Bahaa