Department of Mathematics & Statistics

King Fahd University of Petroleum & Minerals, Saudi Arabia

Associate Professor

Email: [email protected]

Qualifications

1997 Ph.D., Mathematics, Indian Institute of Technology, India

1992 M.Phil., Mathematics, Indian Institute of Technology, India

1990 M.Sc., Mathematics, Indian Institute of Technology, India

Publications (Selected)

1. Rayanki, Vivekananda, Izhar Ahmad, et al. (2025) "A Fractional Calculus Approach to Interval-Valued Variational Programming Problems." European Journal of Pure and Applied Mathematics 18.3. pp.6617-6617.
2. Ali, Hachen, Izhar Ahmad, et al. (2025) "Impact of carbon emission and preservation investment on a manufacturing system for deteriorating item with price and greenness dependent demand via equilibrium optimizer algorithm." International Journal of System Assurance Engineering and Management 16.5, 1813-1829.
3. Upadhyaya, Shweta, Izhar Ahmad, et al. (2025) "Performance Forecasting of Discrete‐Time Priority Retrial Queue With Its Application in Cognitive Radio Networks." International Journal of Communication Systems 38.4, e6136.
4. Prasad, Ashish Kumar, Julie Khatri, and Izhar Ahmad. (2025) "Optimality conditions for an interval-valued vector problem." Kybernetika 61.2, 221-237.
5. Mahajan, Sumati, S. K. Gupta, and Izhar Ahmad. (2024) "On fuzzy fractional quadratic programming problems with an application in the tourism sector." Applied Soft Computing 150: 111069.
6. Agarwal, Radhika, Izhar Ahmad, et al. (2023)"Optimization of a stochastic model having erratic server with immediate or delayed repair." Annals of Operations Research 331.2: 605-628.
7. Rayanki, Vivekananda, Izhar Ahmad, and Krishna Kummari. (2023) "Interval‐valued variational programming problem with Caputo–Fabrizio fractional derivative."Mathematical Methods in the Applied Sciences 46.16: 17485-17510.
8. Treanţă, Savin, and Izhar Ahmad. (2023) "Controlled nonlinear dynamics generated by isoperimetric constrained optimization problems involving second-order partial derivatives." Systems & Control Letters 179: 105591.
9. Rani, B. Japamala, I. Ahmad, and K. Kummari. (2023) "On optimality and duality for multiobjective interval-valued programming problems with vanishing constraints." Iranian Journal of Numerical Analysis & Optimization 13.3.
10. Ahmad, Izhar, Krishna Kummari, and S. Al-Homidan. (2023) "Sufficiency and duality for nonsmooth interval-valued optimization problems via generalized invex-infine functions." Journal of the Operations Research Society of China 11.3: 505-527.
11. Chauhan, Abhishek, Izhar Ahmad, et al. (2023) "On fuzzy linear fractional programming problems via α-cut-based method with application in transportation sector." Symmetry 15.2: 419.
12. Upadhyaya, Shweta, Izhar Ahmad, et al. (2023) "Queueing and reliability analysis of unreliable multi-server retrial queue with Bernoulli feedback." Carpathian Journal of Mathematics 39.3: 745-758.
13. Jaichander, Rekha R., Izhar Ahmad, and Krishna Kummari. (2022) "Robust semi-infinite interval-valued optimization problem with uncertain inequality constraints." Korean Journal of Mathematics 30.3: 475-489.
14. Jaichander, Rekha R., Izhar Ahmad, et al. (2022) "Robust nonsmooth interval-valued optimization problems involving uncertainty constraints." Mathematics 10.11: 1787.
15. Jayswal, Anurag, Babli Kumari, and Izhar Ahmad. (2021) "A gap function and existence of solutions for a non-smooth vector variational inequality on Hadamard manifolds." Optimization 70.9: 1875-1889.
16. Filali, Doaa, Izhar Ahmad, et al. (2021) "Viscosity method for hierarchical variational inequalities and variational inclusions on Hadamard manifolds." Journal of Inequalities and Applications 2021.1: 66.
17. Malik, Manisha, Shiv Kumar Gupta, and Izhar Ahmad. (2021) "A new approach to solve fully intuitionistic fuzzy linear programming problem with unrestricted decision variables." Journal of Intelligent & Fuzzy Systems 41.6: 6053-6066.
18. Dilshad, M., M. Akram, and Izhar Ahmad. (2020)"Algorithms for split common null point problem without pre-existing estimation of operator norm." J. Math. Inequal 14: 1151-1163.
19. Ahmad, Izhar, Krishna Kummari, and S. Al-Homidan. (2020)"Sufficiency and duality for interval-valued optimization problems with vanishing constraints using weak constraint qualifications." International Journal of Analysis and Applications 18.5: 784-798.

Profile Details

https://scholar.google.com/citations?user=66h5uzcAAAAJ&hl=en

https://www.researchgate.net/profile/Izhar-Ahmad-4

https://pure.kfupm.edu.sa/en/persons/izhar-ahmad/

WoS Researcher ID: K-5952-2012