All Stories

  1. Solving Fully Intuitionistic Fuzzy Multi-Level Multi-Objective Fractional Optimization Problems via Two Different Approaches

    Article • Fractal and Fractional, October 2025, MDPI AG

    mohamed ali el sayed

  2. Two TOPSIS-Based Approaches for Multi-Choice Rough Bi-Level Multi-Objective Nonlinear Programming Problems

    Article • Mathematics, April 2025, MDPI AG

    mohamed ali el sayed

  3. Performance Analysis of Fully Intuitionistic Fuzzy Multi-Objective Multi-Item Solid Fractional Transportation Model

    Article • Fractal and Fractional, July 2024, MDPI AG

    mohamed ali el sayed

  4. Multi-choice fractional stochastic multi-objective transportation problem

    Article • Soft Computing, June 2023, Springer Science + Business Media

    mohamed ali el sayed

  5. The Karush–Kuhn–Tucker (KKT) optimality conditions for fuzzy-valued fractional optimization problems

    Article • Mathematics and Computers in Simulation, March 2023, Elsevier

    mohamed ali el sayed

  6. Using Interval Operations in the Hungarian Method to Solve the Fuzzy Assignment Problem and Its Application in the Rehabilitation Problem of Valuable Buildings in Egypt

    Article • Complexity, September 2020, Hindawi Publishing Corporation

    mohamed ali el sayed

  7. A modified TOPSIS approach for solving stochastic fuzzy multi-level multi-objective fractional decision making problem

    Article • OPSEARCH, June 2020, Springer Science + Business Media

    mohamed ali el sayed

  8. Study of Achievement Stability Set for Parametric Linear FGP Problems

    Article • Ain Shams Engineering Journal, May 2020, Elsevier

    mohamed ali el sayed

  9. Fuzzy rough bi-level multi-objective nonlinear programming problems

    Article • Alexandria Engineering Journal, December 2019, Elsevier

    mohamed ali el sayed

  10. Interactive Approach for Multi-Level Multi-Objective Fractional Programming Problems with Fuzzy Parameters

    Article • Beni-Suef University Journal of Basic and Applied Sciences, March 2018, Elsevier

    mohamed ali el sayed

  11. Solving Multi-level Multi-objective Fractional Programming Problems with Fuzzy Demands via FGP Approach

    Article • International Journal of Applied and Computational Mathematics, December 2017, Springer Science + Business Media

    mohamed ali el sayed

  12. Interactive Approach for Multi-level Multi-objective Fractional Programming Problem under hybrid uncertainty

    Article • Journal of Statistics Applications & Probability, November 2017, Natural Sciences Publishing

    mohamed ali el sayed

  13. multi-level fractional programming

    Article • OPSEARCH, March 2017, Springer Science + Business Media

    mohamed ali el sayed

  14. Multi-level Multi-objective Quadratic Fractional Programming Problem with Fuzzy Parameters: A FGP Approach

    Article • Asian Research Journal of Mathematics, January 2017, Sciencedomain International

    mohamed ali el sayed

  15. On Parametric Multi-level Multi-objective Fractional Programming Problems with Fuzziness in the Constraints

    Article • British Journal of Mathematics & Computer Science, January 2016, Sciencedomain International

    mohamed ali el sayed

  16. Bi-level multi-objective programming problem with fuzzy demands: a fuzzy goal programming algorithm

    Article • OPSEARCH, June 2013, Springer Science + Business Media

    mohamed ali el sayed