Thomas Ransford

3.3k total citations · 1 hit paper
96 papers, 1.6k citations indexed

About

Thomas Ransford is a scholar working on Applied Mathematics, Mathematical Physics and Geometry and Topology. According to data from OpenAlex, Thomas Ransford has authored 96 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 61 papers in Applied Mathematics, 41 papers in Mathematical Physics and 34 papers in Geometry and Topology. Recurrent topics in Thomas Ransford's work include Holomorphic and Operator Theory (41 papers), Advanced Topics in Algebra (22 papers) and Matrix Theory and Algorithms (20 papers). Thomas Ransford is often cited by papers focused on Holomorphic and Operator Theory (41 papers), Advanced Topics in Algebra (22 papers) and Matrix Theory and Algorithms (20 papers). Thomas Ransford collaborates with scholars based in Canada, France and United States. Thomas Ransford's co-authors include Ricardo Fraiman, Omar El-Fallah, Juan A. Cuesta‐Albertos, Graham Allan, Abdellatif Bourhim, Karim Kellay, Mary C. White, Bo Berndtsson, Constantin Costara and Brian J. Cole and has published in prestigious journals such as SHILAP Revista de lepidopterología, Mathematics of Computation and Journal of the Royal Statistical Society Series B (Statistical Methodology).

In The Last Decade

Thomas Ransford

86 papers receiving 1.4k citations

Hit Papers

Potential Theory in the Complex Plane 1995 2026 2005 2015 1995 200 400 600
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. Potential Theory in the Complex Plane
    1995 725 citations Thomas Ransford profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Thomas Ransford Canada 18 1.1k 607 605 281 276 96 1.6k
Pierre D. Milman Canada 17 467 0.4× 471 0.8× 720 1.2× 226 0.8× 330 1.2× 54 1.1k
Garrett Johnson United States 3 1.1k 1.0× 710 1.2× 294 0.5× 372 1.3× 248 0.9× 5 1.7k
László Kérchy Hungary 8 1.2k 1.0× 1.0k 1.7× 162 0.3× 429 1.5× 414 1.5× 25 1.7k
Kristian Seip Norway 22 1.4k 1.3× 503 0.8× 192 0.3× 151 0.5× 100 0.4× 83 1.7k
Lee A. Rubel United States 22 710 0.6× 388 0.6× 459 0.8× 167 0.6× 405 1.5× 146 1.5k
Edward Bierstone Canada 17 407 0.4× 623 1.0× 974 1.6× 317 1.1× 340 1.2× 53 1.3k
N. Th. Varopoulos France 18 1.1k 1.0× 964 1.6× 536 0.9× 110 0.4× 393 1.4× 44 1.7k
Vladimir Rakočević Serbia 28 823 0.7× 661 1.1× 1.5k 2.4× 278 1.0× 867 3.1× 161 2.6k
Thomas Wolff United States 19 1.0k 0.9× 845 1.4× 214 0.4× 113 0.4× 334 1.2× 47 1.4k
Stanisław Łojasiewicz Poland 13 494 0.4× 438 0.7× 589 1.0× 144 0.5× 385 1.4× 34 1.2k

Countries citing papers authored by Thomas Ransford

Since Specialization
Citations

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

Fields of papers citing papers by Thomas Ransford

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Thomas Ransford

This figure shows the co-authorship network connecting the top 25 collaborators of Thomas Ransford. A scholar is included among the top collaborators of Thomas Ransford 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 Thomas Ransford. Thomas Ransford 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.
Ransford, Thomas. (2024). Negative powers of Hilbert-space contractions. Journal of Functional Analysis. 286(10). 110397–110397.
2.
Ransford, Thomas, et al.. (2023). Holomorphic motions, dimension, area and quasiconformal mappings. Journal de Mathématiques Pures et Appliquées. 177. 455–483. 1 indexed citations
3.
Ransford, Thomas. (2023). Volterra operator norms : a brief survey. SHILAP Revista de lepidopterología. 9(2). 276–290.
4.
Ransford, Thomas, et al.. (2023). An abstract approach to the Crouzeix conjecture. Journal of Operator Theory. 90(1). 209–221. 1 indexed citations
5.
Fraiman, Ricardo, et al.. (2023). A quantitative Heppes theorem and multivariate Bernoulli distributions. Journal of the Royal Statistical Society Series B (Statistical Methodology). 85(2). 293–314. 3 indexed citations
6.
El-Fallah, Omar, Karim Kellay, Javad Mashreghi, & Thomas Ransford. (2019). One-box conditions for Carleson measures for the Dirichlet space. arXiv (Cornell University).
7.
El-Fallah, Omar, et al.. (2015). PERIPHERAL POINT SPECTRUM AND GROWTH OF POWERS OF OPERATORS. 3 indexed citations
8.
Costara, Constantin & Thomas Ransford. (2013). Which de Branges–Rovnyak spaces are Dirichlet spaces (and vice versa)?. Journal of Functional Analysis. 265(12). 3204–3218. 20 indexed citations
9.
Mashreghi, Javad, Thomas Ransford, & Kristian Seip. (2010). Hilbert Spaces of Analytic Functions. 8 indexed citations
10.
El-Fallah, Omar, Karim Kellay, & Thomas Ransford. (2010). Cantor sets and cyclicity in weighted Dirichlet spaces. Journal of Mathematical Analysis and Applications. 372(2). 565–573. 9 indexed citations
11.
Guillot, Dominique, et al.. (2010). De Branges–Rovnyak spaces and Dirichlet spaces. Journal of Functional Analysis. 259(9). 2366–2383. 21 indexed citations
12.
Ransford, Thomas, et al.. (2010). Computation of weighted capacity. Journal of Approximation Theory. 162(6). 1187–1203. 3 indexed citations
13.
Costara, Constantin & Thomas Ransford. (2007). On local irreducibility of the spectrum. Proceedings of the American Mathematical Society. 135(9). 2779–2784. 1 indexed citations
14.
Chalendar, Isabelle, Laurent Habsieger, J. R. Partington, & Thomas Ransford. (2004). Approximate Carleman theorems and a Denjoy-Carleman maximum principle. Archiv der Mathematik. 83(1). 3 indexed citations
15.
El-Fallah, Omar & Thomas Ransford. (2002). Extremal Growth of Powers of Operators Satisfying Resolvent Conditions of Kreiss-Ritt Type. Journal of Functional Analysis. 196(1). 135–154. 17 indexed citations
16.
Galé, Jośe E. & Thomas Ransford. (2000). On the growth of analytic semigroups along vertical lines. Studia Mathematica. 138(2). 165–177. 1 indexed citations
17.
Chen, Yin, et al.. (2000). Estimates for the spectrum near algebraic elements. Linear Algebra and its Applications. 308(1-3). 153–161. 6 indexed citations
18.
Ransford, Thomas. (2000). Almost-everywhere discontinuity of the spectral radius. Proceedings of the American Mathematical Society. 129(3). 749–751. 1 indexed citations
19.
Cole, Brian J. & Thomas Ransford. (1997). Subharmonicity without Upper Semicontinuity. Journal of Functional Analysis. 147(2). 420–442. 20 indexed citations
20.
Ransford, Thomas. (1986). On the range of an analytic multivalued function. Pacific Journal of Mathematics. 123(2). 421–439. 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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