John Ryan
Impact in
- Applied Mathematics top 1%
- Algebraic and Geometric Analysis
- Mathematical Analysis and Transform Methods
- Holomorphic and Operator Theory
- Algebra and Number Theory top 10%
- Advanced Topics in Algebra
Papers in
-
- Algebraic and Geometric Analysis 60
- Mathematical Analysis and Transform Methods 36
- Holomorphic and Operator Theory 34
-
- Spectral Theory in Mathematical Physics 8
- Advanced Operator Algebra Research 7
- Advanced Algebra and Geometry 7
- advanced mathematical theories 3
- Co-authors
- Rolf Soeren Krausshar (6 shared papers)Hong Liu (2 shared papers)Craig A. Nolder (2 shared papers)Uwe Kähler (3 shared papers)Klaus Gürlebeck (1 shared paper)Wolfgang Sprößig (1 shared paper)Junxia Li (3 shared papers)Daniele Carlo Struppa (1 shared paper)
- Journals
- Mathematical Methods in the Applied Sciences (4 papers)Transactions of the American Mathematical Society (3 papers)Journal of Functional Analysis (2 papers)Journal of Mathematical Analysis and Applications (2 papers)Zeitschrift für Analysis und ihre Anwendungen (2 papers)
- Partner nations
- United StatesUnited KingdomBelgium
In The Last Decade
John Ryan
58 papers receiving 611 citations
Peers
Comparison fields: 5 of 39
- Applied Mathematics 633
- Algebra and Number Theory 80
- Mathematical Physics 155
- Geometry and Topology 104
- Statistical and Nonlinear Physics 49
Countries citing papers authored by John Ryan
This map shows the geographic impact of John Ryan'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 John Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Ryan more than expected).
Fields of papers citing papers by John Ryan
This network shows the impact of papers produced by John Ryan. 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 John Ryan. The network helps show where John Ryan may publish in the future.
Co-authors
The 16 scholars most cited alongside John Ryan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
Showing the 20 most-cited of 64 papers — load more, or switch the sort, to bring in the rest.
| # | Work | ||
|---|---|---|---|
| 1 | 1982 | 78 | |
| 2 | 1995 | 44 | |
| 3 | 1997 | 36 | |
| 4 | 1995 | 35 | |
| 5 | 2009 | 31 | |
| 6 | 2002 | 31 | |
| 7 | 1990 | 29 | |
| 8 | 2006 | 27 | |
| 9 | 1982 | 26 | |
| 10 | Dirac Operators in Analysis | 1999 | 21 |
| 11 | 2006 | 18 | |
| 12 | 1998 | 17 | |
| 13 | 1996 | 16 | |
| 14 | 1995 | 15 | |
| 15 | 2005 | 15 | |
| 16 | Dirac operators on spheres and hyperbolae | 1997 | 15 |
| 17 | 2013 | 13 | |
| 18 | 2011 | 11 | |
| 19 | 2014 | 11 | |
| 20 | 2017 | 10 |
About John Ryan
John Ryan is a scholar working on Applied Mathematics, Mathematical Physics, Algebra and Number Theory, Geometry and Topology and Statistical and Nonlinear Physics, having authored 64 papers that have together received 668 indexed citations. Recurring topics across this work include Algebraic and Geometric Analysis (60 papers), Mathematical Analysis and Transform Methods (36 papers), Holomorphic and Operator Theory (34 papers), Advanced Topics in Algebra (12 papers), Spectral Theory in Mathematical Physics (8 papers), Advanced Operator Algebra Research (7 papers), Advanced Algebra and Geometry (7 papers) and advanced mathematical theories (3 papers). The work is most often cited by research in Applied Mathematics (633 citations), Algebra and Number Theory (80 citations), Mathematical Physics (155 citations), Geometry and Topology (104 citations) and Statistical and Nonlinear Physics (49 citations). John Ryan has collaborated with scholars based in United States, United Kingdom and Belgium. Frequent co-authors include Rolf Soeren Krausshar, Hong Liu, Craig A. Nolder, Uwe Kähler, Klaus Gürlebeck, Wolfgang Sprößig, Junxia Li, Daniele Carlo Struppa, Swanhild Bernstein and Denis Constales. Their work appears in journals such as Mathematical Methods in the Applied Sciences, Transactions of the American Mathematical Society, Journal of Functional Analysis, Journal of Mathematical Analysis and Applications and Zeitschrift für Analysis und ihre Anwendungen.
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.