Ravi P. Agarwal

38.4k total citations · 11 hit papers
1.2k papers, 28.0k citations indexed

About

Ravi P. Agarwal is a scholar working on Applied Mathematics, Numerical Analysis and Modeling and Simulation. According to data from OpenAlex, Ravi P. Agarwal has authored 1.2k papers receiving a total of 28.0k indexed citations (citations by other indexed papers that have themselves been cited), including 839 papers in Applied Mathematics, 565 papers in Numerical Analysis and 274 papers in Modeling and Simulation. Recurrent topics in Ravi P. Agarwal's work include Nonlinear Differential Equations Analysis (664 papers), Differential Equations and Numerical Methods (424 papers) and Differential Equations and Boundary Problems (300 papers). Ravi P. Agarwal is often cited by papers focused on Nonlinear Differential Equations Analysis (664 papers), Differential Equations and Numerical Methods (424 papers) and Differential Equations and Boundary Problems (300 papers). Ravi P. Agarwal collaborates with scholars based in United States, Ireland and Singapore. Ravi P. Agarwal's co-authors include Donal O’Regan, Martin Böhner, Patricia J. Y. Wong, Said R. Grace, Sever S Dragomir, Mouffak Benchohra, V. Lakshmikantham, Samira Hamani, Tongxing Li and Samir H. Saker and has published in prestigious journals such as SHILAP Revista de lepidopterología, Fertility and Sterility and Experimental Neurology.

In The Last Decade

Ravi P. Agarwal

1.1k papers receiving 25.4k 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.

Difference Equations and Inequalities

2000 1.3k citations Ravi P. Agarwal profile →
A Survey on Existence Results for Boundary Value Problems of Nonlinear Fractional Differential Equations and Inclusions

2008 693 citations Ravi P. Agarwal et al. profile →
Fixed Point Theory and Applications

2001 603 citations Ravi P. Agarwal, Donal O’Regan et al. profile →
Two inequalities for differentiable mappings and applications to special means of real numbers and to trapezoidal formula

1998 585 citations Ravi P. Agarwal et al. profile →
On the concept of solution for fractional differential equations with uncertainty

2009 554 citations Ravi P. Agarwal et al. profile →
Positive Solutions of Differential, Difference and Integral Equations

1999 549 citations Ravi P. Agarwal, Donal O’Regan et al. profile →
Oscillation Theory for Difference and Functional Differential Equations

2000 428 citations Ravi P. Agarwal, Donal O’Regan et al. profile →
Generalized contractions in partially ordered metric spaces

2008 418 citations Ravi P. Agarwal, Donal O’Regan et al. profile →
Fixed Point Theory for Lipschitzian-type Mappings with Applications

2009 288 citations D. R. Sahu, Donal O’Regan et al. profile →
Dynamic Inequalities On Time Scales

2014 152 citations Ravi P. Agarwal, Donal O’Regan et al. profile →
Solutions of the Nonlinear Integral Equation and Fractional Differential Equation Using the Technique of a Fixed Point with a Numerical Experiment in Extended b-Metric Space

2019 147 citations Ravi P. Agarwal, Erdal Karapınar et al. Symmetry profile →

Peers

Ravi P. Agarwal

CSE

Donal O’Regan Ireland

V. Lakshmikantham United States

Juan J. Nieto Spain

Martin Böhner United States

H. M. Srivastava Canada

Thabet Abdeljawad Saudi Arabia

Allan Peterson United States

Jack K. Hale United States

Mehdi Dehghan Iran

Michael G. Crandall United States

Donal O’Regan Ireland

Ravi P. Agarwal

14.7k ×0.7

7.7k ×0.6

6.4k ×0.7

4.1k ×0.8

3.5k ×0.8

CSE

Citations per year, relative to Ravi P. Agarwal Ravi P. Agarwal (= 1×) peers Donal O’Regan

Countries citing papers authored by Ravi P. Agarwal

Since Specialization

Citations

This map shows the geographic impact of Ravi P. Agarwal'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 Ravi P. Agarwal with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ravi P. Agarwal more than expected).

Fields of papers citing papers by Ravi P. Agarwal

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ravi P. Agarwal. 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 Ravi P. Agarwal. The network helps show where Ravi P. Agarwal may publish in the future.

Co-authorship network of co-authors of Ravi P. Agarwal

This figure shows the co-authorship network connecting the top 25 collaborators of Ravi P. Agarwal. A scholar is included among the top collaborators of Ravi P. Agarwal 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 Ravi P. Agarwal. Ravi P. Agarwal is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Agarwal, Ravi P., Snezhana Hristova, & Donal O’Regan. (2025). Strict Stability of Fractional Differential Equations with a Caputo Fractional Derivative with Respect to Another Function. Mathematics. 13(3). 452–452.

Agarwal, Ravi P., Snezhana Hristova, & Donal O’Regan. (2025). Stability of Nonlinear Switched Fractional Differential Equations with Short Memory. Fractal and Fractional. 9(9). 598–598.

Alsaedi, Ahmed, et al.. (2024). Existence results for a nonlocal q -integro multipoint boundary value problem involving a fractional q -difference equation with dual hybrid terms. Analele Universităţii "Ovidius" Constanţa. Seria Matematică. 32(3). 5–32.

Agarwal, Ravi P., Snezhana Hristova, & Donal O’Regan. (2024). Cohen–Grossberg Neural Network Delay Models with Fractional Derivatives with Respect to Another Function—Theoretical Bounds of the Solutions. Axioms. 13(9). 605–605.

Wei, Li, et al.. (2022). Iterative algorithm for zero points of the sum of countable accretive-type mappings and variational inequalities. Journal of Nonlinear Functional Analysis. 2022(1). 1 indexed citations

Agarwal, Ravi P., et al.. (2022). Ćirić and Meir-Keeler fixed point results in super metric spaces. 4(3). 3 indexed citations

Agarwal, Ravi P., Snezhana Hristova, & Donal O’Regan. (2022). Stability of Generalized Proportional Caputo Fractional Differential Equations by Lyapunov Functions. Fractal and Fractional. 6(1). 34–34. 20 indexed citations

Verma, Amit K., et al.. (2021). Region of existence of multiple solutions for a class of Robin type four-point BVPs. Opuscula Mathematica. 41(4). 571–600. 1 indexed citations

Verma, Amit K., et al.. (2021). Analysis and Computation of Solutions for a Class of Nonlinear SBVPs Arising in Epitaxial Growth. Mathematics. 9(7). 774–774. 4 indexed citations

10.

Agarwal, Ravi P., Snezhana Hristova, & Donal O’Regan. (2021). Lyapunov Functions and Lipschitz Stability for Riemann–Liouville Non-Instantaneous Impulsive Fractional Differential Equations. Symmetry. 13(4). 730–730. 4 indexed citations

11.

Agarwal, Ravi P., Snezhana Hristova, & Donal O’Regan. (2020). Existence and Integral Representation of Scalar Riemann-Liouville Fractional Differential Equations with Delays and Impulses. Mathematics. 8(4). 607–607. 4 indexed citations

12.

Agarwal, Ravi P., et al.. (2020). p-Moment Mittag–Leffler Stability of Riemann–Liouville Fractional Differential Equations with Random Impulses. Mathematics. 8(8). 1379–1379. 1 indexed citations

13.

Yan, Baoqiang, Donal O’Regan, & Ravi P. Agarwal. (2019). Existence of solutions for Kirchhoff-type problems via the method of lower and upper solutions. SHILAP Revista de lepidopterología. 4 indexed citations

14.

Li, Wei, et al.. (2019). Construction techniques of projection sets in hybrid methods for infinite weakly relatively nonexpansive mappings with applications. Journal of Nonlinear Functional Analysis. 2019(1). 2 indexed citations

15.

O’Regan, Donal, et al.. (2015). Existence of Homoclinic Orbits of Superquadratic Second-Order Hamiltonian Systems. Zeitschrift für Analysis und ihre Anwendungen. 34(1). 27–41. 11 indexed citations

16.

Agarwal, Ravi P., Donal O’Regan, & Svatoslav Staněk. (2011). Positive solutions for mixed problems of singular fractional differential equations. Mathematische Nachrichten. 285(1). 27–41. 81 indexed citations

17.

Agarwal, Ravi P., Donal O’Regan, & D. R. Sahu. (2007). Fixed point theory for multivalued maps in Fréchet spaces via degree and index theory. 27(2). 399–399. 1 indexed citations

18.

Agarwal, Ravi P. & Seppo Heikkilä. (2002). Extremality Results for Discontinuous Sturm-Liouville Boundary Value Problems. Mathematische Nachrichten. 236(1). 5–30. 1 indexed citations

19.

Agarwal, Ravi P. & Donal O’Regan. (1999). Coincidence Points for Perturbations of Linear Fredholm Maps of Index Zero. Publications of the Research Institute for Mathematical Sciences. 35(5). 725–736. 3 indexed citations

20.

Wong, Patricia J. Y. & Ravi P. Agarwal. (1998). On Two-Point Right Focal Eigenvalue Problems. Zeitschrift für Analysis und ihre Anwendungen. 17(3). 691–713. 14 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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