J. A. Thorpe

1.2k total citations
25 papers, 627 citations indexed

About

J. A. Thorpe is a scholar working on Astronomy and Astrophysics, Applied Mathematics and Orthopedics and Sports Medicine. According to data from OpenAlex, J. A. Thorpe has authored 25 papers receiving a total of 627 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Astronomy and Astrophysics, 7 papers in Applied Mathematics and 7 papers in Orthopedics and Sports Medicine. Recurrent topics in J. A. Thorpe's work include Advanced Differential Geometry Research (6 papers), Geometric Analysis and Curvature Flows (5 papers) and Bone health and osteoporosis research (5 papers). J. A. Thorpe is often cited by papers focused on Advanced Differential Geometry Research (6 papers), Geometric Analysis and Curvature Flows (5 papers) and Bone health and osteoporosis research (5 papers). J. A. Thorpe collaborates with scholars based in United States and United Kingdom. J. A. Thorpe's co-authors include Morris W. Hirsch, I. M. Singer, S. A. Steel, Raj B. Patel, D. J. Chinn, G. M. Blake, J N Fordham, Michaël Heymann, Ellen Shanley and Charles A. Thigpen and has published in prestigious journals such as Annals of Mathematics, Osteoporosis International and Age and Ageing.

In The Last Decade

J. A. Thorpe

22 papers receiving 539 citations

Peers

J. A. Thorpe
D.J. Saunders United Kingdom
Bruno Brosowski Germany
Gareth E. Roberts United States
Constantin Carathéodory
A. van der Sluis Netherlands
Dennis M. Healy United States
Henry E. Fettis United States
Enzo Tonti Italy
J.M. Cook United States
William B. Gordon United States
D.J. Saunders United Kingdom
J. A. Thorpe
Citations per year, relative to J. A. Thorpe J. A. Thorpe (= 1×) peers D.J. Saunders

Countries citing papers authored by J. A. Thorpe

Since Specialization
Citations

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

Fields of papers citing papers by J. A. Thorpe

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. A. Thorpe. 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 J. A. Thorpe. The network helps show where J. A. Thorpe may publish in the future.

Co-authorship network of co-authors of J. A. Thorpe

This figure shows the co-authorship network connecting the top 25 collaborators of J. A. Thorpe. A scholar is included among the top collaborators of J. A. Thorpe 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 J. A. Thorpe. J. A. Thorpe 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.
Thigpen, Charles A., et al.. (2020). Lower Extremity Musculoskeletal Injury Is Associated with Increased Risk of Concussion in High School Athletes. Orthopaedic Journal of Sports Medicine. 8(7_suppl6). 1 indexed citations
2.
Shanley, Ellen, et al.. (2018). Athletic Trainers' Effect on Population Health: Improving Access to and Quality of Care. Journal of Athletic Training. 54(2). 124–132. 17 indexed citations
3.
Tokish, John M., et al.. (2017). Heads Up Football Training Decreases Concussion Rates in High School Football Players. Orthopaedic Journal of Sports Medicine. 5(3_suppl3). 2 indexed citations
4.
Thorpe, J. A. & S. A. Steel. (2008). The Alara Metriscan phalangeal densitometer: evaluation and triage thresholds. British Journal of Radiology. 81(970). 778–783. 16 indexed citations
5.
Thorpe, J. A. & S. A. Steel. (2006). The DXL Calscan heel densitometer: evaluation and diagnostic thresholds. British Journal of Radiology. 79(940). 336–341. 17 indexed citations
6.
Blake, G. M., D. J. Chinn, S. A. Steel, et al.. (2005). A list of device-specific thresholds for the clinical interpretation of peripheral x-ray absorptiometry examinations. Osteoporosis International. 16(12). 2149–2156. 59 indexed citations
7.
Thorpe, J. A. & S. A. Steel. (1999). Image Resolution of the Lunar Expert-XL. Osteoporosis International. 10(2). 95–101. 9 indexed citations
8.
Steel, S. A., et al.. (1999). Development and Evaluation of a Phantom for Morphometric X-ray Absorptiometry. Osteoporosis International. 9(1). 38–44. 6 indexed citations
9.
Thorpe, J. A., S. A. Steel, & Christian M. Langton. (1998). A phantom based study on the effect of subject positioning on morphometric X-ray absorptiometry using the Lunar Expert-XL.. British Journal of Radiology. 71(851). 1153–1161. 3 indexed citations
10.
Thorpe, J. A.. (1984). Elementary linear algebra. 18 indexed citations
11.
Thorpe, J. A.. (1979). Elementary Topics in Differential Geometry. Undergraduate texts in mathematics. 181 indexed citations
12.
Thorpe, J. A.. (1978). Book Review: General relativity for mathematicians. Bulletin of the American Mathematical Society. 84(6). 1344–1347. 1 indexed citations
13.
Thorpe, J. A.. (1977). Curvature invariants and space–time singularities. Journal of Mathematical Physics. 18(5). 960–964. 16 indexed citations
14.
Heymann, Michaël & J. A. Thorpe. (1973). A note on minimal polynomials. Linear Algebra and its Applications. 7(3). 279–280.
15.
Thorpe, J. A.. (1971). The zeros of nonnegative curvature operators. Journal of Differential Geometry. 5(1-2). 14 indexed citations
16.
Heymann, Michaël & J. A. Thorpe. (1970). Transfer Equivalence of Linear Dynamical Systems. SIAM Journal on Control. 8(1). 19–40. 12 indexed citations
17.
Thorpe, J. A.. (1969). Curvature and the Petrov Canonical Forms. Journal of Mathematical Physics. 10(1). 1–7. 39 indexed citations
18.
Thorpe, J. A.. (1966). On the curvatures of Riemannian manifolds. Illinois Journal of Mathematics. 10(3). 6 indexed citations
19.
Thorpe, J. A.. (1965). Parallelizability and flat manifolds. Proceedings of the American Mathematical Society. 16(1). 138–142. 4 indexed citations
20.
Thorpe, J. A.. (1965). Parallelizability and Flat Manifolds. Proceedings of the American Mathematical Society. 16(1). 138–138. 1 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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