Sotiris K. Ntouyas

12.6k total citations · 5 hit papers
580 papers, 10.3k citations indexed

About

Sotiris K. Ntouyas is a scholar working on Applied Mathematics, Modeling and Simulation and Numerical Analysis. According to data from OpenAlex, Sotiris K. Ntouyas has authored 580 papers receiving a total of 10.3k indexed citations (citations by other indexed papers that have themselves been cited), including 562 papers in Applied Mathematics, 364 papers in Modeling and Simulation and 241 papers in Numerical Analysis. Recurrent topics in Sotiris K. Ntouyas's work include Nonlinear Differential Equations Analysis (491 papers), Fractional Differential Equations Solutions (364 papers) and Differential Equations and Boundary Problems (211 papers). Sotiris K. Ntouyas is often cited by papers focused on Nonlinear Differential Equations Analysis (491 papers), Fractional Differential Equations Solutions (364 papers) and Differential Equations and Boundary Problems (211 papers). Sotiris K. Ntouyas collaborates with scholars based in Greece, Saudi Arabia and Thailand. Sotiris K. Ntouyas's co-authors include Bashir Ahmad, Jessada Tariboon, Johnny Henderson, Mouffak Benchohra, Ahmed Alsaedi, M. Benchohra, P. Ch. Tsamatos, Abdelghani Ouahab, Samira Hamani and Sina Etemad and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Mathematical Analysis and Applications and Chaos Solitons & Fractals.

In The Last Decade

Sotiris K. Ntouyas

546 papers receiving 9.4k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Impulsive Differential Equations and Inclusions

2006 812 citations Sotiris K. Ntouyas et al. profile →
Existence results for fractional order functional differential equations with infinite delay

2007 418 citations Mouffak Benchohra, Sotiris K. Ntouyas et al. profile →
Hadamard-Type Fractional Differential Equations, Inclusions and Inequalities

2017 312 citations Bashir Ahmad, Ahmed Alsaedi et al. profile →
Quantum calculus on finite intervals and applications to impulsive difference equations

2013 255 citations Sotiris K. Ntouyas et al. Advances in Difference Equations profile →
Quantum integral inequalities on finite intervals

2014 162 citations Sotiris K. Ntouyas et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Sotiris K. Ntouyas Greece	43	9.7k	7.0k	4.0k	1.7k	995	580	10.3k
Mouffak Benchohra Algeria	39	7.3k 0.8×	6.2k 0.9×	2.8k 0.7×	1.8k 1.1×	881 0.9×	456	7.8k
K. Balachandran India	34	3.4k 0.3×	2.6k 0.4×	1.3k 0.3×	2.1k 1.3×	365 0.4×	339	4.7k
Gaston M. N’Guérékata United States	31	3.8k 0.4×	1.9k 0.3×	1.4k 0.3×	1.9k 1.1×	598 0.6×	176	4.1k
Weigao Ge China	36	4.2k 0.4×	1.1k 0.2×	2.6k 0.6×	653 0.4×	537 0.5×	278	4.6k
Nazım I. Mahmudov Cyprus	35	3.6k 0.4×	2.1k 0.3×	1.3k 0.3×	2.5k 1.5×	240 0.2×	193	4.4k
Lynn Erbe United States	41	4.2k 0.4×	1.1k 0.2×	2.9k 0.7×	1.1k 0.7×	423 0.4×	195	5.0k
Patricia J. Y. Wong Singapore	26	2.9k 0.3×	1.1k 0.2×	1.8k 0.4×	474 0.3×	512 0.5×	213	3.6k
Alberto Cabada Spain	32	3.0k 0.3×	1.1k 0.2×	2.0k 0.5×	461 0.3×	338 0.3×	198	3.4k
Paul W. Eloe United States	24	2.5k 0.3×	1.6k 0.2×	1.4k 0.4×	349 0.2×	253 0.3×	133	3.1k
A. S. Vatsala United States	18	2.3k 0.2×	1.8k 0.3×	1.4k 0.4×	383 0.2×	195 0.2×	97	2.9k

Countries citing papers authored by Sotiris K. Ntouyas

Since Specialization

Citations

This map shows the geographic impact of Sotiris K. Ntouyas's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Sotiris K. Ntouyas with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sotiris K. Ntouyas more than expected).

Fields of papers citing papers by Sotiris K. Ntouyas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sotiris K. Ntouyas. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Sotiris K. Ntouyas. The network helps show where Sotiris K. Ntouyas may publish in the future.

Co-authorship network of co-authors of Sotiris K. Ntouyas

This figure shows the co-authorship network connecting the top 25 collaborators of Sotiris K. Ntouyas. A scholar is included among the top collaborators of Sotiris K. Ntouyas based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Sotiris K. Ntouyas. Sotiris K. Ntouyas is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Tariq, Muhammad, Sotiris K. Ntouyas, & Asif Ali Shaikh. (2023). A Comprehensive Review of the Hermite–Hadamard Inequality Pertaining to Quantum Calculus. SHILAP Revista de lepidopterología. 3(2). 340–379. 2 indexed citations

Tariq, Muhammad, Sotiris K. Ntouyas, & Asif Ali Shaikh. (2023). A Comprehensive Review on the Fejér-Type Inequality Pertaining to Fractional Integral Operators. Axioms. 12(7). 719–719.

Tariq, Muhammad, et al.. (2022). New Fractional Integral Inequalities Pertaining to Caputo–Fabrizio and Generalized Riemann–Liouville Fractional Integral Operators. Axioms. 11(11). 618–618. 4 indexed citations

Ahmad, Bashir, et al.. (2021). Riemann-Stieltjes Integral boundary value problems involving mixed Riemann-Liouville and Caputo fractional derivatives. Journal of Nonlinear Functional Analysis. 2021(1). 7 indexed citations

Ntouyas, Sotiris K. & Bashir Ahmad. (2021). Lyapunov-type inequalities for fractional differential equations: a survey. SHILAP Revista de lepidopterología. 8 indexed citations

Thaiprayoon, Chatthai, Weerawat Sudsutad, & Sotiris K. Ntouyas. (2021). Mixed nonlocal boundary value problem for implicit fractional integro-differential equations via ψ-Hilfer fractional derivative. Advances in Difference Equations. 2021(1). 8 indexed citations

Alsaedi, Ahmed, et al.. (2020). Existence results and the dimension of the solution set for a nonlocal inclusions problem with mixed fractional derivatives and integrals. Journal of Nonlinear Functional Analysis. 2020(1). 5 indexed citations

Ahmad, Bashir, et al.. (2019). Multi-term fractional boundary value problems with four-point boundary conditions. Journal of Nonlinear Functional Analysis. 2019(1). 3 indexed citations

Ahmad, Bashir & Sotiris K. Ntouyas. (2017). Existence results for fractional differential inclusions with Erdélyi-Kober fractional integral conditions. Analele Universităţii "Ovidius" Constanţa. Seria Matematică. 25(2). 5–24. 14 indexed citations

10.

Ahmad, Bashir & Sotiris K. Ntouyas. (2014). Initial-value problems for hybrid Hadamard fractional differential equations. SHILAP Revista de lepidopterología. 32 indexed citations

11.

Ahmad, Bashir & Sotiris K. Ntouyas. (2011). EXISTENCE RESULTS FOR FRACTIONAL DIFFERENTIAL INCLUSIONS WITH FOUR-POINT BOUNDARY CONDITIONS. 15(2). 1 indexed citations

12.

Dhage, Bapurao C., et al.. (2008). ON BOUNDARY VALUE PROBLEMS OF SECOND ORDER CONVEX AND NONCONVEX DIFFERENTIAL INCLUSIONS. Ginekologia Polska. 92(3). 230–235.

13.

Benchohra, Mouffak, et al.. (2007). PERTURBED FUNCTIONAL DIFFERENTIAL EQUATIONS WITH FRACTIONAL ORDER. 11(4). 12 indexed citations

14.

Dhage, Bapurao C. & Sotiris K. Ntouyas. (2006). Existence of solutions for discontinuous hyperbolic partial differential equations in Banach algebras.. SHILAP Revista de lepidopterología. 2006. 1 indexed citations

15.

Benchohra, Mouffak, et al.. (2006). Controllability Results for Nondensely Defined Semilinear Functional Differential Equations. Zeitschrift für Analysis und ihre Anwendungen. 25(3). 311–325. 15 indexed citations

16.

Ntouyas, Sotiris K.. (2003). Existence results for impulsive partial neutral functional differential inclusions. SHILAP Revista de lepidopterología. 10 indexed citations

17.

Benchohra, Mouffak & Sotiris K. Ntouyas. (2001). Nonlocal Cauchy problems on semi-infinite intervals for neutral functional-differential and integrodifferential inclusions in Banach spaces. Mathematica Slovaca. 51(5). 529–545. 1 indexed citations

18.

Benchohra, Mouffak & Sotiris K. Ntouyas. (2001). Neutral functional differential and integrodifferential inclusions in Banach spaces. Bollettino Della Unione Matematica Italiana. 767–782. 6 indexed citations

19.

Benchohra, Mouffak & Sotiris K. Ntouyas. (2000). Existence results for neutral functional-differential and integrodifferential inclusions in Banach spaces.. SHILAP Revista de lepidopterología. 2000. 10 indexed citations

20.

Gupta, Chaitan P., Sotiris K. Ntouyas, & P. Ch. Tsamatos. (1996). On the solvability of some multi-point boundary value problems. Applications of Mathematics. 41(1). 1–17. 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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