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Umar Ishtiaq
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2020 – today
- 2025
- [j19]Doha A. Kattan, Umar Ishtiaq, Muhammad Farhan, Ioannis K. Argyros, Mohammad Akram, Samundra Regmi:
Solution of an integral equation in controlled rectangular metric spaces via weakly contractive mappings. J. Comput. Appl. Math. 454: 116187 (2025) - 2024
- [j18]Mohammad Akram, Salha Alshaikey, Umar Ishtiaq, Muhammad Farhan, Ioannis K. Argyros, Samundra Regmi:
Fixed-Point Results of Generalized (ϕ,Ψ)-Contractive Mappings in Partially Ordered Controlled Metric Spaces with an Application to a System of Integral Equations. Axioms 13(6): 415 (2024) - [j17]Ibrahim Alraddadi, Muhammad Din, Umar Ishtiaq, Mohammad Akram, Ioannis K. Argyros:
Enriched Z-Contractions and Fixed-Point Results with Applications to IFS. Axioms 13(8): 562 (2024) - [j16]Asima Razzaque, Naeem Saleem, Imo Kalu Agwu, Umar Ishtiaq, Maggie Aphane:
Strong and Weak Convergence Theorems for the Split Feasibility Problem of (β,k)-Enriched Strict Pseudocontractive Mappings with an Application in Hilbert Spaces. Symmetry 16(5): 546 (2024) - [j15]Mohammad Akram, Umar Ishtiaq, Khaleel Ahmad, Tania A. Lazar, Vasile L. Lazar, Liliana Guran:
Some Generalized Neutrosophic Metric Spaces and Fixed Point Results with Applications. Symmetry 16(8): 965 (2024) - [j14]Salvatore Sessa, Fahim Ud Din, Muhammad Haris Saeed, Khaleel Ahmad, Umar Ishtiaq:
Fixed Point Theorems in Orthogonal Intuitionistic Fuzzy b-metric Spaces with an Application to Fredholm Integral Equation. Trans. Fuzzy Sets Syst. 3(2): 1-22 (2024) - 2023
- [j13]Umar Ishtiaq, Fahad Jahangeer, Doha A. Kattan, Ioannis K. Argyros, Samundra Regmi:
On Orthogonal Fuzzy Interpolative Contractions with Applications to Volterra Type Integral Equations and Fractional Differential Equations. Axioms 12(8): 725 (2023) - [j12]Khaleel Ahmad, Ghulam Murtaza, Salha Alshaikey, Umar Ishtiaq, Ioannis K. Argyros:
Common Fixed Point Results on a Double-Controlled Metric Space for Generalized Rational-Type Contractions with Application. Axioms 12(10): 941 (2023) - [j11]Umar Ishtiaq, Muhammad Asif, Aftab Hussain, Khaleel Ahmad, Iqra Saleem, Hamed Al Sulami:
Extension of a Unique Solution in Generalized Neutrosophic Cone Metric Spaces. Symmetry 15(1): 94 (2023) - [j10]Salvatore Sessa, Fahad Jahangeer, Doha A. Kattan, Umar Ishtiaq:
Development of Fixed Point Results for αΓ-F-Fuzzy Contraction Mappings with Applications. Symmetry 15(7): 1300 (2023) - [j9]Umar Ishtiaq, Fahad Jahangeer, Doha A. Kattan, Ioannis K. Argyros:
Generalized Common Best Proximity Point Results in Fuzzy Metric Spaces with Application. Symmetry 15(8): 1501 (2023) - 2022
- [j8]Austine Efut Ofem, Aftab Hussain, Oboyi Joseph, Mfon Okon Udo, Umar Ishtiaq, Hamed Al Sulami, Chukwuka Fernando Chikwe:
Solving Fractional Volterra-Fredholm Integro-Differential Equations via A** Iteration Method. Axioms 11(9): 470 (2022) - [j7]Muhammad Farhan, Umar Ishtiaq, Muhammad Haris Saeed, Aftab Hussain, Hamed Al Sulami:
Reich-Type and (α, F)-Contractions in Partially Ordered Double-Controlled Metric-Type Spaces with Applications to Non-Linear Fractional Differential Equations and Monotonic Iterative Method. Axioms 11(10): 573 (2022) - [j6]Naeem Saleem, Imo Kalu Agwu, Umar Ishtiaq, Stojan Radenovic:
Strong Convergence Theorems for a Finite Family of Enriched Strictly Pseudocontractive Mappings and ΦT-Enriched Lipschitizian Mappings Using a New Modified Mixed-Type Ishikawa Iteration Scheme with Error. Symmetry 14(5): 1032 (2022) - [j5]Fahim Uddin, Umar Ishtiaq, Khalil Javed, Suhad Subhi Aiadi, Muhammad Arshad, Nizar Souayah, Nabil Mlaiki:
A New Extension to the Intuitionistic Fuzzy Metric-like Spaces. Symmetry 14(7): 1400 (2022) - [j4]Min Wang, Umar Ishtiaq, Naeem Saleem, Imo Kalu Agwu:
Approximating Common Solution of Minimization Problems Involving Asymptotically Quasi-Nonexpansive Multivalued Mappings. Symmetry 14(10): 2062 (2022) - [j3]Umar Ishtiaq, Naeem Saleem, Fahim Uddin, Salvatore Sessa, Khaleel Ahmad, Ferdinando Di Martino:
Graphical Views of Intuitionistic Fuzzy Double-Controlled Metric-Like Spaces and Certain Fixed-Point Results with Application. Symmetry 14(11): 2364 (2022) - [j2]Muhammad Saeed, Muhammad Haris Saeed, Rimsha Shafaqat, Salvatore Sessa, Umar Ishtiaq, Ferdinando Di Martino:
A Theoretical Development of Cubic Pythagorean Fuzzy Soft Set with Its Application in Multi-Attribute Decision Making. Symmetry 14(12): 2639 (2022) - 2021
- [j1]Umar Ishtiaq, Khalil Javed, Fahim Uddin, Manuel de la Sen, Khalil Ahmed, Muhammad Usman Ali:
Fixed Point Results in Orthogonal Neutrosophic Metric Spaces. Complex. 2021: 2809657:1-2809657:18 (2021)
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