S. Sivaprasad Kumar

901 total citations · 1 hit paper
48 papers, 506 citations indexed

About

S. Sivaprasad Kumar is a scholar working on Geometry and Topology, Applied Mathematics and Polymers and Plastics. According to data from OpenAlex, S. Sivaprasad Kumar has authored 48 papers receiving a total of 506 indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Geometry and Topology, 31 papers in Applied Mathematics and 13 papers in Polymers and Plastics. Recurrent topics in S. Sivaprasad Kumar's work include Analytic and geometric function theory (46 papers), Holomorphic and Operator Theory (25 papers) and Polymer Synthesis and Characterization (13 papers). S. Sivaprasad Kumar is often cited by papers focused on Analytic and geometric function theory (46 papers), Holomorphic and Operator Theory (25 papers) and Polymer Synthesis and Characterization (13 papers). S. Sivaprasad Kumar collaborates with scholars based in India, Malaysia and South Korea. S. Sivaprasad Kumar's co-authors include V. Ravichandran, Virendra Kumar, N. E. Cho, Nak Eun Cho, Rosihan M. Ali, H.C. Taneja, Maslina Darus, K. Subramanian, G. Murugusundaramoorthy and See Keong Lee and has published in prestigious journals such as Mathematical Methods in the Applied Sciences, Journal of Inequalities and Applications and Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas.

In The Last Decade

S. Sivaprasad Kumar

38 papers receiving 480 citations

Hit Papers

Radius Problems for Starl... 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. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
S. Sivaprasad Kumar India 9 480 350 127 43 40 48 506
Huo Tang China 15 633 1.3× 385 1.1× 155 1.2× 70 1.6× 54 1.4× 79 664
See Keong Lee Malaysia 8 430 0.9× 283 0.8× 131 1.0× 43 1.0× 35 0.9× 34 473
Sumit Nagpal India 9 327 0.7× 242 0.7× 86 0.7× 24 0.6× 21 0.5× 24 338
Jin-Lin Liu China 14 789 1.6× 604 1.7× 174 1.4× 17 0.4× 19 0.5× 92 822
S. Sivasubramanian India 11 585 1.2× 353 1.0× 164 1.3× 69 1.6× 102 2.5× 62 597
Halit Orhan Türkiye 15 721 1.5× 522 1.5× 193 1.5× 52 1.2× 40 1.0× 73 761
T. N. Shanmugam India 11 435 0.9× 283 0.8× 147 1.2× 55 1.3× 69 1.7× 37 469
Deepak Bansal India 8 381 0.8× 273 0.8× 88 0.7× 40 0.9× 19 0.5× 30 397
Daniel Breaz Romania 11 437 0.9× 396 1.1× 65 0.5× 28 0.7× 21 0.5× 134 521
Shahid Khan Pakistan 13 465 1.0× 295 0.8× 62 0.5× 30 0.7× 25 0.6× 58 496

Countries citing papers authored by S. Sivaprasad Kumar

Since Specialization
Citations

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

Fields of papers citing papers by S. Sivaprasad Kumar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Sivaprasad Kumar

This figure shows the co-authorship network connecting the top 25 collaborators of S. Sivaprasad Kumar. A scholar is included among the top collaborators of S. Sivaprasad 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 S. Sivaprasad Kumar. S. Sivaprasad 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.
Kumar, S. Sivaprasad, et al.. (2025). On estimation of Hankel determinants for certain class of starlike functions. Filomat. 39(12). 3907–3930.
2.
Kumar, S. Sivaprasad, Muhammad Ghaffar Khan, Bakhtiar Ahmad, & Wali Khan Mashwani. (2024). A class of analytic functions associated with sine hyperbolic functions. The Journal of Analysis.
3.
Kumar, S. Sivaprasad, et al.. (2024). Certain radii problems for 𝓢∗(ψ) and special functions. Mathematica Slovaca. 74(1). 69–90. 1 indexed citations
4.
Kumar, S. Sivaprasad, et al.. (2024). Certain coefficient problems of $\mathcal{S}_{e}^{*}$ and $\mathcal{C}_{e}$. Tamkang Journal of Mathematics. 2 indexed citations
5.
Yadav, Pooja & S. Sivaprasad Kumar. (2024). Partial sums for a generalised class of analytic functions. The Journal of Analysis. 32(4). 2245–2264. 1 indexed citations
6.
Kumar, S. Sivaprasad, et al.. (2023). Hermitian–Toeplitz determinants for certain univalent functions. Analysis and Mathematical Physics. 13(2). 3 indexed citations
7.
Kumar, S. Sivaprasad, et al.. (2023). Toeplitz determinants for a subclass of quasi convex mappings in higher dimensions. The Journal of Analysis. 32(4). 2099–2112. 2 indexed citations
8.
Kumar, S. Sivaprasad & Pooja Yadav. (2023). On Oblique Domains of Janowski Functions. Mathematica Slovaca. 73(2). 407–424.
9.
Kumar, S. Sivaprasad, et al.. (2022). Application of Pythagorean means and Differential Subordination. Bulletin of the Belgian Mathematical Society - Simon Stevin. 29(3).
10.
Kumar, S. Sivaprasad, et al.. (2022). Bohr–Rogosinski Phenomenon for $$\mathcal {S}^*(\psi )$$ and $$\mathcal {C}(\psi )$$. Mediterranean Journal of Mathematics. 19(4). 5 indexed citations
11.
Kumar, S. Sivaprasad, et al.. (2022). Bohr Radius for Some Classes of Harmonic Mappings. Iranian Journal of Science and Technology Transactions A Science. 46(3). 883–890. 3 indexed citations
12.
Kumar, S. Sivaprasad, et al.. (2020). APPLICATIONS OF DIFFERENTIAL SUBORDINATIONS TO CERTAIN CLASSES OF STARLIKE FUNCTIONS. Journal of the Korean Mathematical Society. 57(2). 331–357. 3 indexed citations
13.
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
14.
Ravichandran, V., et al.. (2017). Third Hankel determinant of starlike and convex functions. The Journal of Analysis. 28(1). 45–56. 4 indexed citations
15.
Ravichandran, V., et al.. (2017). Starlike functions associated with exponential function and the lemniscate of Bernoulli. Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas. 113(1). 233–253. 23 indexed citations
16.
Kumar, S. Sivaprasad, Virendra Kumar, & V. Ravichandran. (2013). Estimates for the Initial Coefficients of Bi-univalent Functions. 29(4). 487–504. 4 indexed citations
17.
Ali, Rosihan M., Nak Eun Cho, V. Ravichandran, & S. Sivaprasad Kumar. (2012). DIFFERENTIAL SUBORDINATION FOR FUNCTIONS ASSOCIATED WITH THE LEMNISCATE OF BERNOULLI. Taiwanese Journal of Mathematics. 16(3). 49 indexed citations
18.
Kumar, S. Sivaprasad, H.C. Taneja, & V. Ravichandran. (2006). Classes of Multivalent Functions Defined by Dziok-Srivastava Linear Operator and Multiplier Transformation. Kyungpook mathematical journal. 46(1). 97–109. 27 indexed citations
19.
Ravichandran, V., S. Sivaprasad Kumar, & Maslina Darus. (2004). On a subordination theorem for a class of meromorphic functions.. Journal of Inequalities in Pure & Applied Mathematics. 5(1). 1152–60. 7 indexed citations
20.
Ravichandran, V., S. Sivaprasad Kumar, & K. Subramanian. (2004). CONVOLUTION CONDITIONS FOR SPIRALLIKENESS AND CONVEX SPIRALLIKENESS OF CERTAIN MEROMORPHICp-VALENT FUNCTIONS. Journal of Inequalities in Pure & Applied Mathematics. 5(1). 8 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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