Roger T. Lewis

1.3k citations
47 papers · 802 indexed · 1 hit paper · h-index 16
Topics
Spectral Theory in Mathematical Physics (31 papers)Advanced Mathematical Modeling in Engineering (16 papers)Differential Equations and Boundary Problems (13 papers)

In The Last Decade

Roger T. Lewis

47 papers receiving 668 citations

Hit Papers

The Analysis and Geometry of Hardy's Inequality2015202620182022201550100150

Peers

Roger T. Lewis
Comparison fields: 5 of 45
  • Applied Mathematics 469
  • Mathematical Physics 468
  • Computational Theory and Mathematics 309
  • Numerical Analysis 188
  • Geometry and Topology 88
Replace Bernd Kirstein with:
Bernd Kirstein Germany
Boris Mityagin United States
Michael Solomyak Israel
Donald A. Lutz United States
Attila Máté United States
Е. М. Никишин Russia
Yasutaka Sibuya United States
Ю. М. Березанский
Franz Peherstorfer Austria
Aad Dijksma Netherlands
Roger T. Lewis relative to Bernd Kirstein Germany Bernd Kirstein's profile →
Citations per field
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Bernd Kirstein · 1×
Citations per year

Countries citing papers authored by Roger T. Lewis

Since Specialization
Citations

This map shows the geographic impact of Roger T. Lewis'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 Roger T. Lewis with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roger T. Lewis more than expected).

Fields of papers citing papers by Roger T. Lewis

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roger T. Lewis. 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 Roger T. Lewis. The network helps show where Roger T. Lewis may publish in the future.

Co-authorship network of co-authors of Roger T. Lewis

This figure shows the co-authorship network connecting the top 25 collaborators of Roger T. Lewis. A scholar is included among the top collaborators of Roger T. Lewis 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 Roger T. Lewis. Roger T. Lewis 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
#WorkIndexed citations
1 23
2 5
3
Recent advances in differential equations and mathematical physics : UAB International Conference on Differential Equations and Mathematical Physics, March 29-April 2, 2005, University of Alabama at Birmingham
2
4 30
5
The essential spectrum of relativistic multi-particle operators
13
6 5
7 3
8 8
9 3
10 3
11 18
12 41
13 40
14 98
15 7
16 5
17 6
18 37
19 15
20 7

About Roger T. Lewis

Roger T. Lewis is a scholar working on Mathematical Physics, Applied Mathematics and Numerical Analysis, having authored 47 papers that have together received 802 indexed citations. Recurring topics across this work include Spectral Theory in Mathematical Physics (31 papers), Advanced Mathematical Modeling in Engineering (16 papers) and Differential Equations and Boundary Problems (13 papers). The work is most often cited by research in Mathematical Physics (468 citations), Applied Mathematics (469 citations) and Numerical Analysis (188 citations). Roger T. Lewis has collaborated with scholars based in United States, United Kingdom and Norway. Frequent co-authors include Don Hinton, W. D. Evans, Alexander Balinsky, Calvin D. Ahlbrandt, Heinz Siedentop, W. D. Evans, Marcel Griesemer, Junfang Li, Garret J. Etgen and Yanyan Li. Their work appears in journals such as Journal of Mathematical Analysis and Applications, Transactions of the American Mathematical Society and Archive for Rational Mechanics and Analysis.

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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