Andrzej Szulkin

4.1k total citations · 1 hit paper
61 papers, 2.9k citations indexed

About

Andrzej Szulkin is a scholar working on Applied Mathematics, Computational Theory and Mathematics and Mathematical Physics. According to data from OpenAlex, Andrzej Szulkin has authored 61 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Applied Mathematics, 39 papers in Computational Theory and Mathematics and 34 papers in Mathematical Physics. Recurrent topics in Andrzej Szulkin's work include Nonlinear Partial Differential Equations (39 papers), Advanced Mathematical Modeling in Engineering (34 papers) and Spectral Theory in Mathematical Physics (19 papers). Andrzej Szulkin is often cited by papers focused on Nonlinear Partial Differential Equations (39 papers), Advanced Mathematical Modeling in Engineering (34 papers) and Spectral Theory in Mathematical Physics (19 papers). Andrzej Szulkin collaborates with scholars based in Sweden, Mexico and China. Andrzej Szulkin's co-authors include Tobias Weth, Wojciech Kryszewski, J. Chabrowski, Gianni Arioli, Wenming Zou, Gongbao Li, Yanheng Ding, Xiangdong Fang, Marco Squassina and Michel Willem and has published in prestigious journals such as Journal of Mathematical Analysis and Applications, Transactions of the American Mathematical Society and Archive for Rational Mechanics and Analysis.

In The Last Decade

Andrzej Szulkin

59 papers receiving 2.6k citations

Hit Papers

Ground state solutions for some indefinite variational pr... 2009 2026 2014 2020 2009 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. Ground state solutions for some indefinite variational problems
    2009 355 citations Andrzej Szulkin, Tobias Weth Journal of Functional Analysis profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Andrzej Szulkin Sweden 25 2.5k 1.7k 1.5k 279 275 61 2.9k
Gabriella Tarantello Italy 26 2.1k 0.8× 1.5k 0.9× 1.2k 0.8× 193 0.7× 259 0.9× 61 2.5k
Tobias Weth Germany 31 2.8k 1.1× 2.0k 1.2× 1.6k 1.1× 260 0.9× 247 0.9× 89 3.1k
Kazunaga Tanaka Japan 25 2.1k 0.8× 1.1k 0.7× 1.3k 0.9× 362 1.3× 276 1.0× 75 2.4k
Shusen Yan Australia 30 2.2k 0.9× 1.6k 0.9× 1.3k 0.9× 281 1.0× 168 0.6× 120 2.5k
Andrea Malchiodi Italy 31 2.6k 1.0× 1.6k 1.0× 1.3k 0.9× 440 1.6× 210 0.8× 107 2.9k
Abbas Bahri United States 22 2.3k 0.9× 1.7k 1.0× 938 0.6× 284 1.0× 122 0.4× 64 2.7k
Enzo Mitidieri Italy 29 2.4k 1.0× 1.7k 1.0× 938 0.6× 333 1.2× 146 0.5× 83 2.7k
Bernhard Ruf Italy 24 2.1k 0.8× 1.6k 1.0× 1.1k 0.7× 131 0.5× 83 0.3× 98 2.3k
Wenming Zou China 30 3.4k 1.4× 2.2k 1.3× 1.8k 1.2× 365 1.3× 282 1.0× 161 3.7k
Dun Zhao China 15 2.2k 0.9× 1.8k 1.1× 760 0.5× 214 0.8× 332 1.2× 58 2.7k

Countries citing papers authored by Andrzej Szulkin

Since Specialization
Citations

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

Fields of papers citing papers by Andrzej Szulkin

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Andrzej Szulkin

This figure shows the co-authorship network connecting the top 25 collaborators of Andrzej Szulkin. A scholar is included among the top collaborators of Andrzej Szulkin 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 Andrzej Szulkin. Andrzej Szulkin 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.
Clapp, Mónica, et al.. (2024). Configuration spaces and multiple positive solutions to a singularly perturbed elliptic system. Boletín de la Sociedad Matemática Mexicana. 30(2). 1 indexed citations
2.
Szulkin, Andrzej, et al.. (2019). Multiple Solutions to a Nonlinear Curl–Curl Problem in $${\mathbb {R}}^3$$. Archive for Rational Mechanics and Analysis. 236(1). 253–288. 13 indexed citations
3.
Clapp, Mónica & Andrzej Szulkin. (2019). A simple variational approach to weakly coupled competitive elliptic systems. Nonlinear Differential Equations and Applications NoDEA. 26(4). 21 indexed citations
4.
Fang, Xiangdong & Andrzej Szulkin. (2012). Multiple solutions for a quasilinear Schrödinger equation. Journal of Differential Equations. 254(4). 2015–2032. 126 indexed citations
5.
Szulkin, Andrzej. (2011). The method of Nehari manifold revisited. 89–102. 2 indexed citations
6.
Szulkin, Andrzej & Tobias Weth. (2010). The method of Nehari manifold. 597–632. 156 indexed citations
7.
Clapp, Mónica, Renato Iturriaga, & Andrzej Szulkin. (2009). Periodic and Bloch Solutions to a Magnetic Nonlinear Schrödinger Equation. Advanced Nonlinear Studies. 9(4). 639–655. 9 indexed citations
8.
Szulkin, Andrzej & Tobias Weth. (2009). Ground state solutions for some indefinite variational problems. Journal of Functional Analysis. 257(12). 3802–3822. 355 indexed citations breakdown →
9.
Arioli, Gianni, Andrzej Szulkin, & Wenming Zou. (2009). Multibump solutions and critical groups. Transactions of the American Mathematical Society. 361(6). 3159–3187. 9 indexed citations
10.
Arioli, Gianni & Andrzej Szulkin. (2003). A Semilinear Schr�dinger Equation in the Presence of a Magnetic Field. Archive for Rational Mechanics and Analysis. 170(4). 277–295. 114 indexed citations
11.
Szulkin, Andrzej & Wenming Zou. (2001). Homoclinic Orbits for Asymptotically Linear Hamiltonian Systems. Journal of Functional Analysis. 187(1). 25–41. 119 indexed citations
12.
Szulkin, Andrzej & Wenming Zou. (2001). Infinite Dimensional Cohomology Groups and Periodic Solutions of Asymptotically Linear Hamiltonian Systems. Journal of Differential Equations. 174(2). 369–391. 22 indexed citations
13.
Szulkin, Andrzej & Michel Willem. (1999). Eigenvalue problems with indefinite weight. Studia Mathematica. 135(2). 191–201. 67 indexed citations
14.
Arioli, Gianni & Andrzej Szulkin. (1999). Homoclinic Solutions of Hamiltonian Systems with Symmetry. Journal of Differential Equations. 158(2). 291–313. 28 indexed citations
15.
Arioli, Gianni & Andrzej Szulkin. (1997). Periodic motions of an infinite lattice of particles: the strongly indefinite case. OpenGrey (Institut de l'Information Scientifique et Technique). 5 indexed citations
16.
Li, Shujie & Andrzej Szulkin. (1996). Periodic solutions for a class of nonautonomous wave equations. Differential and Integral Equations. 9(6). 7 indexed citations
17.
Szulkin, Andrzej, et al.. (1994). Periodic Solutions for a Class of Nonautonomous Hamiltonian Systems. Journal of Differential Equations. 112(1). 226–238. 25 indexed citations
18.
Ekeland, Ivar & Andrzej Szulkin. (1989). Minimax results of Lusternik-Schnirelman type and applications : part 2 of the proceedings of the NATO ASI "Variational Methods in Nonlinear Problems". Presses de l’Université de Montréal eBooks. 1 indexed citations
19.
Szulkin, Andrzej. (1985). Positive solutions of variational inequalities: A degree-theoretic approach. Journal of Differential Equations. 57(1). 90–111. 37 indexed citations
20.
Szulkin, Andrzej. (1984). On a class of variational inequalities involving gradient operators. Journal of Mathematical Analysis and Applications. 100(2). 486–499. 16 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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