Virendra Kumar

613 total citations · 1 hit paper
38 papers, 365 citations indexed

About

Virendra Kumar is a scholar working on Geometry and Topology, Applied Mathematics and Polymers and Plastics. According to data from OpenAlex, Virendra Kumar has authored 38 papers receiving a total of 365 indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Geometry and Topology, 21 papers in Applied Mathematics and 5 papers in Polymers and Plastics. Recurrent topics in Virendra Kumar's work include Analytic and geometric function theory (28 papers), Holomorphic and Operator Theory (13 papers) and Mathematical Inequalities and Applications (6 papers). Virendra Kumar is often cited by papers focused on Analytic and geometric function theory (28 papers), Holomorphic and Operator Theory (13 papers) and Mathematical Inequalities and Applications (6 papers). Virendra Kumar collaborates with scholars based in India, South Korea and Canada. Virendra Kumar's co-authors include V. Ravichandran, S. Sivaprasad Kumar, Nak Eun Cho, N. E. Cho, H. M. Srivastava, Sushil Yadav, Young Jae Sim, Oh Sang Kwon, Mukesh Kumar and Rajiv Aggarwal and has published in prestigious journals such as SHILAP Revista de lepidopterología, Cellular and Molecular Life Sciences and Advances in Space Research.

In The Last Decade

Virendra Kumar

32 papers receiving 353 citations

Hit Papers

Radius Problems for Starlike Functions Associated with th... 2018 2026 2020 2023 2018 40 80 120
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.

  1. Radius Problems for Starlike Functions Associated with the Sine Function
    2018 141 citations Virendra Kumar, S. Sivaprasad Kumar et al. Bulletin of the Iranian Mathematical Society. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Virendra Kumar India 8 339 249 99 27 26 38 365
S. Sivaprasad Kumar India 9 480 1.4× 350 1.4× 127 1.3× 24 0.9× 40 1.5× 48 506
Nihat Yağmur Türkiye 10 418 1.2× 289 1.2× 118 1.2× 17 0.6× 20 0.8× 18 444
Shahid Khan Pakistan 13 465 1.4× 295 1.2× 62 0.6× 27 1.0× 25 1.0× 58 496
F. M. Al-Oboudi Saudi Arabia 5 362 1.1× 247 1.0× 72 0.7× 13 0.5× 33 1.3× 10 370
Hanaa M. Zayed Egypt 11 290 0.9× 198 0.8× 72 0.7× 24 0.9× 24 0.9× 47 305
T. M. Seoudy Egypt 8 364 1.1× 243 1.0× 81 0.8× 10 0.4× 25 1.0× 66 377
Sumit Nagpal India 9 327 1.0× 242 1.0× 86 0.9× 13 0.5× 21 0.8× 24 338
Abbas Kareem Wanas Iraq 12 530 1.6× 309 1.2× 97 1.0× 33 1.2× 31 1.2× 103 550
N. E. Cho South Korea 4 328 1.0× 231 0.9× 89 0.9× 12 0.4× 22 0.8× 9 334
T. N. Shanmugam India 11 435 1.3× 283 1.1× 147 1.5× 9 0.3× 69 2.7× 37 469

Countries citing papers authored by Virendra Kumar

Since Specialization
Citations

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

Fields of papers citing papers by Virendra Kumar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Virendra Kumar. 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 Virendra Kumar. The network helps show where Virendra Kumar may publish in the future.

Co-authorship network of co-authors of Virendra Kumar

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

All Works

20 of 20 papers shown
1.
2.
Yadav, Sushil, Virendra Kumar, & Rajiv Aggarwal. (2022). Resonant curves of geo-centric satellite under the gravitational effect of the Earth-Moon-Sun system including Earth’s equatorial ellipticity and resistive force using unperturbed solutions. Advances in Space Research. 70(11). 3340–3361. 1 indexed citations
3.
Kumar, Virendra, Sumit Nagpal, & Nak Eun Cho. (2021). Coefficient functionals for non-Bazilevič functions. Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas. 116(1). 2 indexed citations
4.
Kumar, Virendra. (2021). Moduli difference of successive inverse coefficients for certain classes of close-to-convex functions. Ricerche di Matematica. 73(3). 1385–1400. 1 indexed citations
5.
Kumar, Virendra. (2021). Hermitian-Toeplitz Determinants for Certain Classes of Close-to-Convex Functions. Bulletin of the Iranian Mathematical Society.. 48(3). 1093–1109. 6 indexed citations
6.
Kumar, Virendra, et al.. (2020). ZALCMAN CONJECTURE AND HANKEL DETERMINANT OF ORDER THREE FOR STARLIKE AND CONVEX FUNCTIONS ASSOCIATED WITH SHELL-LIKE CURVES. SHILAP Revista de lepidopterología. 27(2). 119–137. 1 indexed citations
7.
Cho, Nak Eun & Virendra Kumar. (2020). Littlewood–Paley Conjecture for Certain Classes of Analytic Functions. Bulletin of the Iranian Mathematical Society.. 47(2). 505–522. 1 indexed citations
8.
Kumar, Virendra, et al.. (2020). A study on Zalcman conjecture and third Hankel determinant. Journal of Physics Conference Series. 1597(1). 12021–12021. 2 indexed citations
9.
Cho, Nak Eun, Virendra Kumar, Oh Sang Kwon, & Young Jae Sim. (2019). Coefficient bounds for certain subclasses of starlike functions. Journal of Inequalities and Applications. 2019(1). 6 indexed citations
10.
Kumar, Virendra, et al.. (2019). Third Hankel determinant for Bazilevic functions related to a leaf like domain. AIP conference proceedings. 2112. 20088–20088. 1 indexed citations
11.
Kumar, Virendra, Nak Eun Cho, V. Ravichandran, & H. M. Srivastava. (2019). Sharp coefficient bounds for starlike functions associated with the Bell numbers. Mathematica Slovaca. 69(5). 1053–1064. 41 indexed citations
12.
Cho, Nak Eun & Virendra Kumar. (2019). On a Coefficient Conjecture for Bazilevič Functions. Bulletin of the Malaysian Mathematical Sciences Society. 43(4). 3083–3097. 3 indexed citations
13.
Cho, Nak Eun, Virendra Kumar, & V. Ravichandran. (2018). Sharp Bounds on the Higher Order Schwarzian Derivatives for Janowski Classes. Symmetry. 10(8). 348–348. 6 indexed citations
14.
Kumar, Virendra, et al.. (2018). Sharp Coefficient Bounds for the Quotient of Analytic Functions. 3 indexed citations
15.
Kumar, Virendra, Nak Eun Cho, Oh Sang Kwon, & Young Jae Sim. (2018). Radius Estimates and Convolution Properties for Analytic Functions. Bulletin of the Iranian Mathematical Society.. 44(6). 1627–1640. 1 indexed citations
16.
Ali, Rosihan M., Virendra Kumar, V. Ravichandran, & S. Sivaprasad Kumar. (2017). Radius of Starlikeness for Analytic Functions with Fixed Second Coefficient. Kyungpook mathematical journal. 57(3). 473–492. 1 indexed citations
17.
Kumar, S. Sivaprasad, Virendra Kumar, & V. Ravichandran. (2013). Estimates for the Initial Coefficients of Bi-univalent Functions. 29(4). 487–504. 4 indexed citations
18.
Kumar, Virendra. (2013). N-Fractional Calculus of General Class of Functions and Fox′x H-Function. Proceedings of the National Academy of Sciences India Section A Physical Sciences. 83(3). 271–277. 5 indexed citations
19.
Kumar, S. Sivaprasad, Virendra Kumar, & V. Ravichandran. (2013). Subordination and Superordination for Multivalent Functions Defined by Linear Operators. 29(3). 361–387.
20.
Kumar, S. Sivaprasad & Virendra Kumar. (2013). FEKETE-SZEGO problem for a class of analytic functinos defined by convolution. Tamkang Journal of Mathematics. 44(2). 187–195. 3 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by S. Sivaprasad Kumar Breakdown of academic impact, for papers by Nihat Yağmur Breakdown of academic impact, for papers by Shahid Khan Breakdown of academic impact, for papers by F. M. Al-Oboudi Breakdown of academic impact, for papers by Hanaa M. Zayed Breakdown of academic impact, for papers by T. M. Seoudy Breakdown of academic impact, for papers by Sumit Nagpal Breakdown of academic impact, for papers by Abbas Kareem Wanas Breakdown of academic impact, for papers by N. E. Cho Breakdown of academic impact, for papers by T. N. Shanmugam
Rankless by CCL
2026