We are excited to invite you to delve into the 10 highly cited papers from our journal Mathematics (ISSN: 2227-7390). These papers, carefully selected for their exceptional quality and relevance, represent cutting-edge research in various branches of mathematics and applied mathematics.

1. “General Fractional Integrals and Derivatives with the Sonine Kernels”
by Yuri Luchko
Mathematics 2021, 9(6), 594; https://doi.org/10.3390/math9060594
Full text available online: https://www.mdpi.com/2227-7390/9/6/594

2. “Unified Convergence Criteria for Iterative Banach Space Valued Methods with Applications”
by Ioannis K. Argyros
Mathematics 2021, 9(16), 1942; https://doi.org/10.3390/math9161942
Full text available online: https://www.mdpi.com/2227-7390/9/16/1942

3. “Riemann–Hilbert Problems and Soliton Solutions of Type (λ∗, −λ∗) Reduced Nonlocal Integrable mKdV Hierarchies”
by Wen-Xiu Ma
Mathematics 2022, 10(6), 870; https://doi.org/10.3390/math10060870
Full text available online: https://www.mdpi.com/2227-7390/10/6/870

4. “Fractional Differential Equations with the General Fractional Derivatives of Arbitrary Order in the Riemann–Liouville Sense”
by Yuri Luchko
Mathematics 2022, 10(6), 849; https://doi.org/10.3390/math10060849
Full text available online: https://www.mdpi.com/2227-7390/10/6/849

5. “A Guide to Special Functions in Fractional Calculus”
by Virginia Kiryakova
Mathematics 2021, 9(1), 106; https://doi.org/10.3390/math9010106
Full text available online: https://www.mdpi.com/2227-7390/9/1/106

6. “Bifurcation Behavior and Hybrid Controller Design of a 2D Lotka–Volterra Commensal Symbiosis System Accompanying Delay”
by Qingyi Cui, Changjin Xu, Wei Ou, Yicheng Pang, Zixin Liu, Peiluan Li and Lingyun Yao
Mathematics 2023, 11(23), 4808; https://doi.org/10.3390/math11234808
Full text available online: https://www.mdpi.com/2227-7390/11/23/4808

7. “On Laplacian Eigenvalues of the Zero-Divisor Graph Associated to the Ring of Integers Modulo n”
by Bilal A. Rather, Shariefuddin Pirzada, Tariq A. Naikoo and Yilun Shang
Mathematics 2021, 9(5), 482; https://doi.org/10.3390/math9050482
Full text available online: https://www.mdpi.com/2227-7390/9/5/482

8. “On the Boundary Value Problems of Hadamard Fractional Differential Equations of Variable Order via Kuratowski MNC Technique”
by Ahmed Refice, Mohammed Said Souid and Ivanka Stamova
Mathematics 2021, 9(10), 1134; https://doi.org/10.3390/math9101134
Full text available online: https://www.mdpi.com/2227-7390/9/10/1134

9. “On Some Generalized Simpson’s and Newton’s Inequalities for (α, m)-Convex Functions in q-Calculus”
by Ifra Bashir Sial, Sun Mei, Muhammad Aamir Ali and Kamsing Nonlaopon
Mathematics 2021, 9(24), 3266; https://doi.org/10.3390/math9243266
Full text available online: https://www.mdpi.com/2227-7390/9/24/3266

10. “New Criteria for Sharp Oscillation of Second-Order Neutral Delay Differential Equations”
by Irena Jadlovská
Mathematics 2021, 9(17), 2089; https://doi.org/10.3390/math9172089
Full text available online: https://www.mdpi.com/2227-7390/9/17/2089