K.J. Brown

3.4k total citations · 1 hit paper
66 papers, 2.6k citations indexed

About

K.J. Brown is a scholar working on Applied Mathematics, Computational Theory and Mathematics and Mathematical Physics. According to data from OpenAlex, K.J. Brown has authored 66 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Applied Mathematics, 19 papers in Computational Theory and Mathematics and 17 papers in Mathematical Physics. Recurrent topics in K.J. Brown's work include Nonlinear Partial Differential Equations (20 papers), Nonlinear Differential Equations Analysis (18 papers) and Advanced Mathematical Modeling in Engineering (16 papers). K.J. Brown is often cited by papers focused on Nonlinear Partial Differential Equations (20 papers), Nonlinear Differential Equations Analysis (18 papers) and Advanced Mathematical Modeling in Engineering (16 papers). K.J. Brown collaborates with scholars based in United Kingdom, United States and Iran. K.J. Brown's co-authors include Yanping Zhang, Josep Blat, Tsung‐fang Wu, Daniel L. Reger, G. A. Afrouzi, R. Shivaji, Joseph R. Murdoch, Jaydeep J. S. Lamba, Roger D. Sommer and Arnold L. Rheingold and has published in prestigious journals such as Journal of the American Chemical Society, Inorganic Chemistry and The Journal of Organic Chemistry.

In The Last Decade

K.J. Brown

63 papers receiving 2.4k citations

Hit Papers

The Nehari manifold for a semilinear elliptic equation wi... 2003 2026 2010 2018 2003 100 200 300
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. The Nehari manifold for a semilinear elliptic equation with a sign-changing weight function
    2003 317 citations K.J. Brown, Yanping Zhang Journal of Differential Equations profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
K.J. Brown United Kingdom 26 1.4k 955 608 468 424 66 2.6k
Georg Hetzer United States 11 102 0.1× 105 0.1× 101 0.2× 45 0.1× 95 0.2× 37 1.3k
Andrew L. Krause United Kingdom 16 29 0.0× 149 0.2× 166 0.3× 33 0.1× 570 1.3× 45 1.2k
Muhammad Arshad China 30 106 0.1× 31 0.0× 28 0.0× 320 0.7× 139 0.3× 92 2.9k
Nobuyuki Kato Japan 14 55 0.0× 27 0.0× 112 0.2× 59 0.1× 130 0.3× 54 666
E. Abad Spain 23 29 0.0× 36 0.0× 60 0.1× 136 0.3× 112 0.3× 83 1.6k
René P. Sperb Switzerland 8 79 0.1× 127 0.1× 13 0.0× 45 0.1× 110 0.3× 18 1.4k
Kashif Ali Pakistan 26 19 0.0× 150 0.2× 24 0.0× 178 0.4× 57 0.1× 110 1.9k
Stephen J. Gardiner Ireland 11 462 0.3× 188 0.2× 8 0.0× 201 0.4× 93 0.2× 86 823
Rahul Sharma India 19 121 0.1× 40 0.0× 24 0.0× 22 0.0× 24 0.1× 55 1.2k
M. M. Qurashi Türkiye 17 137 0.1× 13 0.0× 82 0.1× 22 0.0× 16 0.0× 43 753

Countries citing papers authored by K.J. Brown

Since Specialization
Citations

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

Fields of papers citing papers by K.J. Brown

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K.J. Brown. 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 K.J. Brown. The network helps show where K.J. Brown may publish in the future.

Co-authorship network of co-authors of K.J. Brown

This figure shows the co-authorship network connecting the top 25 collaborators of K.J. Brown. A scholar is included among the top collaborators of K.J. Brown 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 K.J. Brown. K.J. Brown 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.
Davis, Timothy L., et al.. (2015). Structural classification of metal complexes with three-coordinate centres. Dalton Transactions. 44(35). 15408–15412. 18 indexed citations
2.
Brown, K.J.. (2007). Local and global bifurcation results for a semilinear boundary value problem. Journal of Differential Equations. 239(2). 296–310. 19 indexed citations
3.
Brown, K.J. & Tsung‐fang Wu. (2007). A semilinear elliptic system involving nonlinear boundary condition and sign-changing weight function. Journal of Mathematical Analysis and Applications. 337(2). 1326–1336. 63 indexed citations
4.
Brown, K.J. & Tsung‐fang Wu. (2007). A FIBERING MAP APPROACH TO A SEMILINEAR ELLIPTIC BOUNDARY VALUE PROBLEM. Electronic Journal of Differential Equations. 2007(69). 1–9. 117 indexed citations
5.
Brown, K.J.. (2004). The Nehari manifold for a semilinear elliptic equation involving a sublinear term. Calculus of Variations and Partial Differential Equations. 22(4). 483–494. 46 indexed citations
6.
Brown, K.J. & Yanping Zhang. (2003). On a system of reaction–diffusion equations describing a population with two age groups. Journal of Mathematical Analysis and Applications. 282(2). 444–452. 24 indexed citations
7.
Brown, K.J. & Yanping Zhang. (2003). The Nehari manifold for a semilinear elliptic equation with a sign-changing weight function. Journal of Differential Equations. 193(2). 481–499. 317 indexed citations breakdown →
8.
Brown, K.J.. (2002). Assessing the Legitimacy of Governmental Regulation of Modern Speech Aimed at Social Reform: The Importance of Hindsight and Causation. eYLS (Yale Law School). 10(2). 459.
9.
Afrouzi, G. A. & K.J. Brown. (1998). On a Diffusive Logistic Equation. Journal of Mathematical Analysis and Applications. 225(1). 326–339. 37 indexed citations
10.
Brown, K.J. & Nikos M. Stavrakakis. (1994). Sub- and supersolutions for semilinear elliptic equations on all of $\mathbb{R}^n$. Differential and Integral Equations. 7(5-6). 5 indexed citations
11.
Brown, K.J. & Achilles Tertikas. (1993). The existence of principal eigenvalues for problems with indefinite weight function on ℝk. Proceedings of the Royal Society of Edinburgh Section A Mathematics. 123(3). 561–569. 16 indexed citations
12.
Brown, K.J. & Jacques-Élie Furter. (1992). A singularity theory approach to a semilinear boundary value problem. Journal of Mathematical Analysis and Applications. 166(2). 485–506. 3 indexed citations
13.
Blat, Josep, K.J. Brown, & K. P. Hadeler. (1986). A reaction‐diffusion system modelling the spread of bacterial infections. Mathematical Methods in the Applied Sciences. 8(1). 234–246. 6 indexed citations
14.
Brown, K.J.. (1983). Spatially inhomogeneous steady state solutions for systems of equations describing interacting populations. Journal of Mathematical Analysis and Applications. 95(1). 251–264. 16 indexed citations
15.
Brown, K.J. & J. C. Eilbeck. (1982). Bifurcation, stability diagrams, and varying diffusion coefficients in reaction-diffusion equations. Bulletin of Mathematical Biology. 44(1). 87–102. 7 indexed citations
16.
Brown, K.J., P.C. Dunne, & Rod Gardner. (1981). A semilinear parabolic system arising in the theory of superconductivity. Journal of Differential Equations. 40(2). 232–252. 74 indexed citations
17.
Brown, K.J., et al.. (1980). On the existence of positive eigenfunctions for an eigenvalue problem with indefinite weight function. Journal of Mathematical Analysis and Applications. 75(1). 112–120. 122 indexed citations
18.
Brown, K.J., et al.. (1979). On the Existence of Positive Solutions for a Class of Semilinear Elliptic Boundary Value Problems. SIAM Journal on Mathematical Analysis. 10(5). 875–883. 50 indexed citations
19.
Brown, K.J., et al.. (1977). Multiple positive solutions for a class of nonlinear boundary value problems. Journal of Mathematical Analysis and Applications. 60(2). 329–338. 15 indexed citations
20.
Brown, K.J. & J. Carr. (1977). Deterministic epidemic waves of critical velocity. Mathematical Proceedings of the Cambridge Philosophical Society. 81(3). 431–433. 72 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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