Jacek Jachymski

2.1k total citations · 1 hit paper
48 papers, 1.4k citations indexed

About

Jacek Jachymski is a scholar working on Geometry and Topology, Applied Mathematics and Computational Theory and Mathematics. According to data from OpenAlex, Jacek Jachymski has authored 48 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Geometry and Topology, 14 papers in Applied Mathematics and 13 papers in Computational Theory and Mathematics. Recurrent topics in Jacek Jachymski's work include Fixed Point Theorems Analysis (30 papers), Optimization and Variational Analysis (11 papers) and Nonlinear Differential Equations Analysis (9 papers). Jacek Jachymski is often cited by papers focused on Fixed Point Theorems Analysis (30 papers), Optimization and Variational Analysis (11 papers) and Nonlinear Differential Equations Analysis (9 papers). Jacek Jachymski collaborates with scholars based in Poland, United States and Bulgaria. Jacek Jachymski's co-authors include Simeon Reich, Janusz Matkowski, Lesław Gajek, Piotr Pokarowski, Bernd S. W. Schröder, Dariusz Zagrodny, P. Gauthier, Jie Xiao, Dachun Yang and John Quigg and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Mathematical Analysis and Applications and Transactions of the American Mathematical Society.

In The Last Decade

Jacek Jachymski

47 papers receiving 1.3k citations

Hit Papers

The contraction principle... 2007 2026 2013 2019 2007 100 200 300 400
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 contraction principle for mappings on a metric space with a graph
    2007 430 citations Jacek Jachymski profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Jacek Jachymski Poland 16 1.2k 351 253 186 173 48 1.4k
Wei–Shih Du Taiwan 17 931 0.8× 457 1.3× 389 1.5× 51 0.3× 153 0.9× 127 1.2k
Sh. Rezapour Iran 18 1.2k 1.0× 236 0.7× 318 1.3× 30 0.2× 137 0.8× 45 1.5k
Brailey Sims Australia 16 1.5k 1.2× 845 2.4× 402 1.6× 508 2.7× 108 0.6× 52 1.9k
Wutiphol Sintunavarat Thailand 29 2.4k 2.0× 356 1.0× 389 1.5× 44 0.2× 268 1.5× 171 2.7k
S. M. Vaezpour Iran 18 735 0.6× 151 0.4× 391 1.5× 73 0.4× 62 0.4× 108 1.1k
Muhammad Arshad Pakistan 23 1.7k 1.4× 363 1.0× 323 1.3× 34 0.2× 174 1.0× 191 1.9k
Adrian Petruşel Romania 26 1.8k 1.5× 956 2.7× 579 2.3× 151 0.8× 203 1.2× 147 2.4k
Игорь Германович Царьков Russia 20 686 0.6× 519 1.5× 341 1.3× 811 4.4× 40 0.2× 127 1.2k
Edward Fadell United States 20 676 0.6× 323 0.9× 419 1.7× 646 3.5× 79 0.5× 47 1.3k
Carlo Sinestrari Italy 16 573 0.5× 372 1.1× 954 3.8× 244 1.3× 151 0.9× 42 1.3k

Countries citing papers authored by Jacek Jachymski

Since Specialization
Citations

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

Fields of papers citing papers by Jacek Jachymski

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jacek Jachymski

This figure shows the co-authorship network connecting the top 25 collaborators of Jacek Jachymski. A scholar is included among the top collaborators of Jacek Jachymski 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 Jacek Jachymski. Jacek Jachymski 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.
Jachymski, Jacek, et al.. (2024). The Banach Fixed Point Theorem: selected topics from its hundred-year history. Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas. 118(4). 4 indexed citations
2.
Jachymski, Jacek, et al.. (2020). On functions preserving regular semimetrics and quasimetrics satisfying the relaxed polygonal inequality. Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas. 114(3). 11 indexed citations
3.
Jachymski, Jacek, et al.. (2018). On characterizations and topology of regular semimetric spaces. Publicationes Mathematicae Debrecen. 93(1-2). 87–105. 11 indexed citations
4.
Jachymski, Jacek, et al.. (2016). Cantor’s intersection theorem for K-metric spaces with a solid cone and a contraction principle. Journal of Fixed Point Theory and Applications. 18(3). 445–463. 3 indexed citations
5.
Jachymski, Jacek. (2015). COMMON FIXED POINT THEOREMS FOR SOME FAMILIES OF MAPS. SHILAP Revista de lepidopterología. 10 indexed citations
6.
Jachymski, Jacek. (2010). A stationary point theorem characterizing metric completeness. Applied Mathematics Letters. 24(2). 169–171. 15 indexed citations
7.
Jachymski, Jacek. (2009). A note on a paper of I.D. Arandelović on asymptotic contractions. Journal of Mathematical Analysis and Applications. 358(2). 491–492. 3 indexed citations
8.
Jachymski, Jacek, et al.. (2009). IFS on a metric space with a graph structure and extensions of the Kelisky–Rivlin theorem. Journal of Mathematical Analysis and Applications. 356(2). 453–463. 59 indexed citations
9.
Jachymski, Jacek. (2008). Around Browder’s fixed point theorem for contractions. Journal of Fixed Point Theory and Applications. 5(1). 47–61. 24 indexed citations
10.
Jachymski, Jacek & Simeon Reich. (2007). Fixed point theory and its applications. 33 indexed citations
11.
Jachymski, Jacek, et al.. (2005). The Hutchinson-Barnsley theory for infinite iterated function systems. Bulletin of the Australian Mathematical Society. 72(3). 441–454. 47 indexed citations
12.
Jachymski, Jacek, et al.. (2004). On Kirk's asymptotic contractions. Journal of Mathematical Analysis and Applications. 300(1). 147–159. 29 indexed citations
13.
Jachymski, Jacek. (2003). General solutions of two functional inequalities and converses to contraction theorems. Bulletin of The Polish Academy of Sciences Mathematics. 51(2). 147–156. 2 indexed citations
14.
Quigg, John, P. Gauthier, Jie Xiao, et al.. (1999). JAZ volume 66 issue 2 Cover and Front matter. Journal of the Australian Mathematical Society Series A Pure Mathematics and Statistics. 66(2). f1–f2. 1 indexed citations
15.
Jachymski, Jacek, et al.. (1999). A minimum condition and some realted fixed-point theorems. Journal of the Australian Mathematical Society Series A Pure Mathematics and Statistics. 66(2). 224–243. 14 indexed citations
16.
Jachymski, Jacek, et al.. (1999). A Connection between Fixed-Point Theorems and Tiling Problems. Journal of Combinatorial Theory Series A. 87(2). 273–286. 13 indexed citations
17.
Jachymski, Jacek. (1996). Continuous Dependence of Attractors of Iterated Function Systems. Journal of Mathematical Analysis and Applications. 198(1). 221–226. 15 indexed citations
18.
Jachymski, Jacek. (1995). FIXED POINT THEOREMS FOR EXPANSIVE MAPPINGS. Mathematica japonica. 42(1). 131–136. 10 indexed citations
19.
Jachymski, Jacek. (1995). Equivalent Conditions and the Meir-Keeler Type Theorems. Journal of Mathematical Analysis and Applications. 194(1). 293–303. 105 indexed citations
20.
Jachymski, Jacek. (1994). An iff fixed point criterion for continuous self-mappings on a complete metric space. Aequationes Mathematicae. 48(2-3). 163–170. 13 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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