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Dr.Karima Mohamed Oraby Elshaikh

Scopus Id: https://www.scopus.com/authid/detail.uri?authorId=55579435100 Associate Professor Department of Mathematics (MOI:English) College of Science and Humanity Studies in Alkharj
  • Kharj
  • 011-588-8888
  • k.elshaikh@psau.edu.sa
  • Curriculum Vitae
  • Publications

Education

  • May 2006: Graduation as Bachelor of Science in Mathematics, Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt.

  • November 2012: Graduation as Master of Science in Pure Mathematics, Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt.

  • April 2018: Graduation as Ph. D in Pure Mathematics, Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt.

  • 2 November 2023: Obtaining the degree of Associate Professor in Pure Mathematics, and Computer Science, Faculty of Science, Suez University, Suez Egypt

  • May 2003: Graduation as Bachelor of Education in Mathematics, Department of Mathematics, Faculty of Education, Suez Canal University, Suez Egypt

Research Interests

  • Functional analysis, q-series and related problems, Time scales, semigroups of operators, Theory of stability, Hahn difference operator, Fractional calculus

Experience

  • 20 December 2012 - 29 July 2018 - Lecture - Suez University, Egypt
  • 25 July 2006 - 19 December 2012 - Teaching assistant - Suez University, Egypt
  • 15 August 2004 - 24 July 2006 - Research student - Suez Canal University, Egypt
  • 30 October 2023 - Associate Professor - Suez University, Egypt
  • 26 September 2023 - 31 August 2023 - Assistant Professor - King Salman International University, Egypt
  • 30 July 2018 - 29 October 2023 - Assistant Professor - Suez University, Egypt
  • 11 September 2024 - until now - Associate Professor - Prince Sattam Bin Abdulaziz University, Collage of Science and Humanity Studies

Responsibilities

  • Inside Suez University, Egypt: 1- (October 2019- September 2022): Manager of the electronic registration unit, Faculty of Science, Suez University. 2- (November 2019- October 2021): Vice manager of the Management Information Systems Unit of the University. 3- (October 2021- September 2023), Manager of the Management Information Systems Unit of the University. 4- (October 2020- Till date): Trainer in Information Technology Training Unit- Suez University 5- (August 2022- Till date): Trainer in University Capacity Development Unit, Suez University 6- (September 2022-September 2023) Coordinator for Mathematics and Computer Science Program (Non-Traditional Program) - Faculty of Science - Suez University - Egypt
  • Inside King Salman International University, Egypt: 1- Quality Coordinator of Faculty of Administrative Sciences, King Salman International University, Sharm Elshaikh Branch for Academic Year 2023/2024. 2- Quality Coordinator for the Sharm Elshaikh Branch of King Salman International University, Egypt, 2023/2024. 3- Responsible for following up on the study schedules, creating them and entering them correctly into student information system SIS for the El-Tour and Sharm Elshaikh branches of King Salman International University, Egypt, 2023/2024.
  • Inside Prince Sattam Bin Abdulaziz University, Collage of Science and Humanity Studies, Saudi Arabia: 1- Member of the Scientific Research and Postgraduate Studies Committee 2-Member of the Graduation Projects Committee 3-Assistant Coordinator of the Control and Monitoring Committee 4-Member of the Curriculum, Study Plans and Equivalencies Committee 5-Assistant Coordinator of the Registration, Schedules and Examinations Committee

Publications

  • 1- Karima M. Oraby, q,ω-Tricomi expansions and exponential integral associated with Hahn Difference Operator, Boundary Value Problems, 2025 2025:23 https://doi.org/10.1186/s13661-025-02005-x.
  • 2- Zeinab S.I. Mansour and Karima M. Oraby, Amethod for Summing q-Bessel Series, Accepted in OPSFA Proceedings.
  • 3- Gamela E. Heragy, Zeinab S.I. Mansour and Karima M. Oraby, Indefinite q-integrals from a Method using q-Ricatti Equations, The Ramanujan Journal, (64)2024, 881-914, https://doi.org/10.1007/s11139-024-00855-0.
  • 4- Elsaddam A. Baheeg, Karima M. Oraby and Mohamed S. Akel, Some results on fractional Hahn difference boundary value problems, Demonstratio Mathematica, 1(56), 2023: 20220247. https://doi.org/10.1515/dema-2022-0247
  • 5- Gamela E. Heragy, Zeinab S.I. Mansour and Karima M. Oraby. Indefinite q-integrals of quotients of q-hypergeometric functions, Frontiers in Scientific Research and Technology, 1(6), 2023, 41-53.
  • 6- Gamela E. Heragy, Zeinab S.I. Mansour and Karima M. Oraby. An efficient method for indefinite q-integrals, Progress in Fractional Differentiation and Applications, 3(9), 2023, 1-29.
  • 7- Karima M. Oraby and Zeinab. S. I. Mansour. Starlike and Convexity properties of q-Bessel-Struve Functions, Demonstratio Mathematica, 1(55), 2022, 61-80.
  • 8- Karima M. Oraby and Zeinab. S. I. Mansour. On q-analogs of Struve Functions, Quaestiones Mathematicae, 44(9) 2021, (2022).
  • 9- Karima Oraby and Alaa Hamza. Taylor Theory associated with Hahn Difference Operator, Journal of Inequalities and Applications (2020) 2020: 124.
  • 10- Karima Oraby, Ahmed Rizq, Mostafa Ahmed, Mohamed Khaled, Ehab Ahmed and Moamen Magdy. Generalization of Beta functions in terms of Mittag-Leffler function, Frontiers in Scientific Research and Technology, 1 (2020), 81-88.
  • 11- AE Hamza, KM Oraby. Characterizations of stability of abstract dynamic equations on time scales, Communications of the Korean mathematical Society 34 (2019)(1), 185-
  • 202.
  • 12- A Hamza, K Oraby, Stability of abstract dynamic equations on time scales by Lyapunov's second method, Turkish Journal of Mathematics 42 (2018) (3), 841-861.
  • 13- AE Hamza, KM Oraby, Semigroups of operators and abstract dynamic equations on time scales, Applied Mathematics and Computation 270 (2015), 334-348.
  • 14- AE Hamza, KM Oraby, Stability of abstract dynamic equations on time scales, Advances in Difference Equations (2012) 2012: 143.

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