Leaderboards/Functional Equations Stability Results

Functional Equations Stability Results

Last updated July 7, 2026

Rising Stars

New and hot

Rising Stars Researchers

1
B. Schweitzer
Unknown
2
Safoura Rezaei Aderyani
Iran University of Science and Technology
3
Tingqing Ye
China University of Geosciences (Beijing)
4
Manzoor Ahmad
University of Peshawar
5
Wang Xue
Shandong University
6
Vuk Stojiljković
Serbian Academy of Sciences and Arts
7
Rahim Shah
Murang'a University of Technology
8
Zahra Eidinejad
Iran University of Science and Technology
9
Ifra Bashir Sial
Government College University, Faisalabad
10
Jueliang Zhou
Huaihua University

Rising Stars Papers

1
Hyers-Ulam-Rassias stability of impulsive Fredholm integral equations on finite intervals
Filomat|2025
15 cit.
2
Refinement of the Cauchy-Schwartz inequality with refinements and generalizations of the numerical radius type inequalities for operators
Annals of Mathematics and Computer Science|2024
13 cit.
3
Stability of hybrid differential equations in the sense of Hyers-Ulam using Gronwall lemma
Filomat|2025
12 cit.
4
Ulam type stabilities for oscillatory Volterra integral equations
Filomat|2025
12 cit.
5
On Hyers-Ulam stability of a class of impulsive Hammerstein integral equations
Filomat|2025
12 cit.
6
Hyers-Ulam stability for Hammerstein integral equations with impulses and delay
Filomat|2025
10 cit.
7
Variations in the Tensorial Trapezoid Type Inequalities for Convex Functions of Self-Adjoint Operators in Hilbert Spaces
Symmetry|2024
8 cit.
8
A fixed point method for stability of delay fractional integro–differential equations with almost sectorial operators
Bollettino dell Unione Matematica Italiana|2025
8 cit.
9
Mathematical modeling of tumor-immune dynamics: stability, control, and synchronization via fractional calculus and numerical optimization
Scientific Reports|2025
8 cit.
10
Ulam-Hyers stability of higher dimensional weakly singular Volterra integral equations
Filomat|2025
8 cit.

Emerging Leaders

Gaining momentum

Emerging Leaders Researchers

1
A. Sklar
Unknown
2
Hasan Kara
Düzce Üniversitesi
3
Savin Treanţă
Academia Oamenilor de Știință din România
4
Artion Kashuri
Polytechnic University of Tirana
5
Pshtiwan Othman Mohammed
UniNettuno University
6
Badreddine Meftah
University of Guelma
7
J. Vanterler da C. Sousa
Universidade Estadual do Maranhão
8
Francielle Santo Pedro
Universidade Federal de São Paulo
9
Meliha Tarhanaci
Düzce Üniversitesi
10
Yao Zhang
Tianjin Energy Investment Group (China)

Emerging Leaders Papers

1
Associative functions and statistical triangle inequalities
Publicationes Mathematicae Debrecen|2022
340 cit.
2
On new Milne-type inequalities for fractional integrals
Journal of Inequalities and Applications|2023
52 cit.
3
Some H-Godunova–Levin Function Inequalities Using Center Radius (Cr) Order Relation
Fractal and Fractional|2022
39 cit.
4
Multiplicity of Solutions for Fractional-Order Differential Equations via the κ(x)-Laplacian Operator and the Genus Theory
Fractal and Fractional|2022
38 cit.
5
Minty Variational Principle for Nonsmooth Interval-Valued Vector Optimization Problems on Hadamard Manifolds
Mathematics|2022
33 cit.
6
Optimality conditions and duality for multiobjective semi-infinite programming problems on Hadamard manifolds using generalized geodesic convexity
RAIRO. Operations research|2022
33 cit.
7
Existence and Multiplicity of Solutions for Fractional $$\kappa (\xi )$$-Kirchhoff-Type Equation
Qualitative Theory of Dynamical Systems|2023
32 cit.
8
Optimality Conditions and Duality for Nonsmooth Multiobjective Semi-infinite Programming Problems on Hadamard Manifolds
Bulletin of the Iranian Mathematical Society.|2023
30 cit.
9
Some New Fractal Milne-Type Integral Inequalities via Generalized Convexity with Applications
Fractal and Fractional|2023
29 cit.
10
On the multiparameterized fractional multiplicative integral inequalities
Journal of Inequalities and Applications|2024
29 cit.

Current Senior Leaders

Established & currently active

Current Senior Leaders Researchers

1
Yu‐Ming Chu
Huzhou University
2
‎Josip Pečarić
Croatian Academy of Sciences and Arts
3
Feng Qi
Tianjin Medical University General Hospital
4
Dan A. Ralescu
University of Cincinnati
5
Themistocles M. Rassias
National Technical University of Athens
6
Sever S Dragomir
Victoria University
7
Choonkil Park
Hanyang University
8
Mohammad Sal Moslehian
Ferdowsi University of Mashhad
9
Sorin G. Gal
University of Oradea
10
Zsolt Páles
University of Debrecen

Current Senior Leaders Papers

1
On the stability of the linear mapping in Banach spaces
Proceedings of the American Mathematical Society|1978
2.8k cit.
2
Fuzzy random variables
Journal of Mathematical Analysis and Applications|1986
1.9k cit.
3
Differentials of fuzzy functions
Journal of Mathematical Analysis and Applications|1983
1.1k cit.
4
Generalizations of the differentiability of fuzzy-number-valued functions with applications to fuzzy differential equations
Fuzzy Sets and Systems|2004
1k cit.
5
Two inequalities for differentiable mappings and applications to special means of real numbers and to trapezoidal formula
Applied Mathematics Letters|1998
826 cit.
6
On the Stability of the Linear Mapping in Banach Spaces
Proceedings of the American Mathematical Society|1978
631 cit.
7
Selected Topics on Hermite-Hadamard Inequalities and Applications
SSRN Electronic Journal|2003
599 cit.
8
On the Stability of Functional Equations and a Problem of Ulam
Acta Applicandae Mathematicae|2000
586 cit.
9
Approximate homomorphisms
Aequationes Mathematicae|1992
541 cit.
10
On the Stability of Functional Equations in Banach Spaces
Journal of Mathematical Analysis and Applications|2000
525 cit.

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