John G. Ratcliffe

3.1k total citations · 2 hit papers
62 papers, 1.6k citations indexed

About

John G. Ratcliffe is a scholar working on Geometry and Topology, Mathematical Physics and Discrete Mathematics and Combinatorics. According to data from OpenAlex, John G. Ratcliffe has authored 62 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Geometry and Topology, 19 papers in Mathematical Physics and 17 papers in Discrete Mathematics and Combinatorics. Recurrent topics in John G. Ratcliffe's work include Geometric and Algebraic Topology (28 papers), Homotopy and Cohomology in Algebraic Topology (14 papers) and Advanced Combinatorial Mathematics (11 papers). John G. Ratcliffe is often cited by papers focused on Geometric and Algebraic Topology (28 papers), Homotopy and Cohomology in Algebraic Topology (14 papers) and Advanced Combinatorial Mathematics (11 papers). John G. Ratcliffe collaborates with scholars based in United States, United Kingdom and Switzerland. John G. Ratcliffe's co-authors include Steven T. Tschantz, D. G. T. Thomas, John W. Palfreyman, S. Dobson, Anne White, Margaret E. Hoadley, Richard Chapman, Norman W. Johnson, Lesley Rees and Ruth Kellerhals and has published in prestigious journals such as The Journal of Clinical Endocrinology & Metabolism, Kidney International and Transplantation.

In The Last Decade

John G. Ratcliffe

60 papers receiving 1.5k citations

Hit Papers

Foundations of Hyperbolic Manifolds 1994 2026 2004 2015 1994 2006 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. Foundations of Hyperbolic Manifolds
    1994 389 citations John G. Ratcliffe profile →
  2. Foundations of Hyperbolic Manifolds
    2006 377 citations John G. Ratcliffe profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John G. Ratcliffe United States 18 780 532 324 226 199 62 1.6k
Yann Ollivier France 17 247 0.3× 167 0.3× 204 0.6× 32 0.1× 101 0.5× 50 1.1k
D. B. A. Epstein United Kingdom 27 1.7k 2.2× 1.2k 2.3× 405 1.3× 365 1.6× 248 1.2× 84 2.9k
John E. McCarthy United States 21 372 0.5× 475 0.9× 642 2.0× 49 0.2× 151 0.8× 120 2.4k
R. James Milgram United States 21 926 1.2× 1.0k 1.9× 116 0.4× 167 0.7× 40 0.2× 87 1.4k
Jonathan D. H. Smith United States 15 598 0.8× 151 0.3× 24 0.1× 190 0.8× 73 0.4× 143 1.3k
Jean–Pierre Françoise France 17 736 0.9× 123 0.2× 136 0.4× 11 0.0× 62 0.3× 82 1.2k
Hirofumi Osada Japan 16 29 0.0× 321 0.6× 194 0.6× 34 0.2× 251 1.3× 61 943
Glen E. Bredon United States 16 968 1.2× 984 1.8× 209 0.6× 143 0.6× 24 0.1× 36 1.5k
Yōichirō Takahashi Japan 23 56 0.1× 280 0.5× 119 0.4× 51 0.2× 676 3.4× 93 2.0k

Countries citing papers authored by John G. Ratcliffe

Since Specialization
Citations

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

Fields of papers citing papers by John G. Ratcliffe

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John G. Ratcliffe. 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 G. Ratcliffe. The network helps show where John G. Ratcliffe may publish in the future.

Co-authorship network of co-authors of John G. Ratcliffe

This figure shows the co-authorship network connecting the top 25 collaborators of John G. Ratcliffe. A scholar is included among the top collaborators of John G. Ratcliffe 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 John G. Ratcliffe. John G. Ratcliffe 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.
Ratcliffe, John G. & Steven T. Tschantz. (2014). The Calabi construction for compact flat orbifolds. Topology and its Applications. 178. 87–106. 3 indexed citations
2.
Ratcliffe, John G. & Steven T. Tschantz. (2014). On the isometry group of a compact flat orbifold. Geometriae Dedicata. 177(1). 43–60. 3 indexed citations
3.
Ratcliffe, John G. & Steven T. Tschantz. (2012). On volumes of hyperbolic Coxeter polytopes and quadratic forms. Geometriae Dedicata. 163(1). 285–299. 3 indexed citations
4.
Ratcliffe, John G. & Steven T. Tschantz. (2008). Abelianization of space groups. Acta Crystallographica Section A Foundations of Crystallography. 65(1). 18–27. 4 indexed citations
5.
Ratcliffe, John G. & Steven T. Tschantz. (2008). Chordal Coxeter groups. Geometriae Dedicata. 136(1). 57–77. 4 indexed citations
6.
Mihalik, Michael & John G. Ratcliffe. (2008). On the rank of a Coxeter group. Journal of Group Theory. 12(3). 3 indexed citations
7.
Ratcliffe, John G. & Steven T. Tschantz. (2004). Some examples of aspherical 4-manifolds that are homology 4-spheres. Topology. 44(2). 341–350. 9 indexed citations
8.
Johnson, Norman W., Ruth Kellerhals, John G. Ratcliffe, & Steven T. Tschantz. (2002). Commensurability classes of hyperbolic Coxeter groups. Linear Algebra and its Applications. 345(1-3). 119–147. 20 indexed citations
9.
Ratcliffe, John G. & Steven T. Tschantz. (2001). On the Davis hyperbolic 4-manifold. Topology and its Applications. 111(3). 327–342. 9 indexed citations
10.
Ratcliffe, John G. & Steven T. Tschantz. (2000). The Volume Spectrum of Hyperbolic 4-Manifolds. Experimental Mathematics. 9(1). 101–125. 29 indexed citations
11.
Ratcliffe, John G. & Steven T. Tschantz. (1999). On the torsion of the group O(n, 1; Z) of integral Lorentzian (n + 1) × (n + 1) matrices. Journal of Pure and Applied Algebra. 136(2). 157–181. 2 indexed citations
12.
Ratcliffe, John G. & Steven T. Tschantz. (1997). Volumes of integral congruence hyperbolic manifolds.. Journal für die reine und angewandte Mathematik (Crelles Journal). 488. 55–78. 15 indexed citations
13.
Ratcliffe, John G. & Steven T. Tschantz. (1997). On the Representation of Integers by the Lorentzian Quadratic Form. Journal of Functional Analysis. 150(2). 498–525. 3 indexed citations
14.
Ratcliffe, John G., et al.. (1989). Urine screening for leucocytes and bacteria by dipstick and reflectance spectrophotometry.. PubMed. 46(2). 97–100. 7 indexed citations
15.
Ratcliffe, John G.. (1987). Euler characteristics of 3-manifold groups and discrete subgroups of SL(2, C). Journal of Pure and Applied Algebra. 44(1-3). 303–314. 7 indexed citations
16.
Appel, K. I., et al.. (1984). Contributions to Group Theory. Contemporary mathematics - American Mathematical Society. 17 indexed citations
17.
Ratcliffe, John G.. (1983). Finiteness conditions for groups. Journal of Pure and Applied Algebra. 27(2). 173–185. 4 indexed citations
18.
Ratcliffe, John G.. (1981). On the ends of higher dimensional knot groups. Journal of Pure and Applied Algebra. 20(3). 317–324. 4 indexed citations
19.
Ratcliffe, John G.. (1980). Crossed Extensions. Transactions of the American Mathematical Society. 257(1). 73–73. 3 indexed citations
20.
Ratcliffe, John G.. (1980). Crossed extensions. Transactions of the American Mathematical Society. 257(1). 73–89. 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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