Roberto Longo

5.0k total citations · 1 hit paper
93 papers, 2.7k citations indexed

About

Roberto Longo is a scholar working on Mathematical Physics, Algebra and Number Theory and Geometry and Topology. According to data from OpenAlex, Roberto Longo has authored 93 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 67 papers in Mathematical Physics, 40 papers in Algebra and Number Theory and 33 papers in Geometry and Topology. Recurrent topics in Roberto Longo's work include Advanced Operator Algebra Research (60 papers), Advanced Topics in Algebra (40 papers) and Algebraic structures and combinatorial models (31 papers). Roberto Longo is often cited by papers focused on Advanced Operator Algebra Research (60 papers), Advanced Topics in Algebra (40 papers) and Algebraic structures and combinatorial models (31 papers). Roberto Longo collaborates with scholars based in Italy, Germany and Japan. Roberto Longo's co-authors include Sergio Doplicher, Yasuyuki Kawahigashi, Daniele Guido, Peter D. Hislop, John E. Roberts, Claudio D’Antoni, Edward Witten, Karl-Henning Rehren, Detlev Buchholz and Geoff Penington and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of High Energy Physics and Communications in Mathematical Physics.

In The Last Decade

Roberto Longo

88 papers receiving 2.4k citations

Hit Papers

An algebra of observables for de Sitter space 2023 2026 2024 2025 2023 50 100 150
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. An algebra of observables for de Sitter space
    2023 166 citations Roberto Longo et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Roberto Longo Italy 29 1.7k 1.3k 1.1k 687 608 93 2.7k
Daniel S. Freed United States 27 1.4k 0.8× 1.2k 1.0× 372 0.3× 682 1.0× 1.2k 2.0× 54 2.7k
Giovanni Felder Switzerland 26 988 0.6× 1.5k 1.2× 776 0.7× 1.2k 1.7× 965 1.6× 90 2.4k
Dirk Kreimer Germany 23 536 0.3× 919 0.7× 1.0k 0.9× 469 0.7× 832 1.4× 77 2.1k
M. Flato France 22 1.2k 0.7× 1.1k 0.8× 1.1k 1.0× 1.1k 1.6× 1.0k 1.7× 57 2.6k
S. N. M. Ruijsenaars Netherlands 22 510 0.3× 930 0.7× 395 0.4× 1.3k 1.9× 419 0.7× 79 2.1k
Shahn Majid United Kingdom 31 1.7k 1.0× 3.0k 2.4× 2.3k 2.0× 2.3k 3.3× 1.3k 2.1× 146 4.2k
Daniel Sternheimer France 18 1.0k 0.6× 921 0.7× 995 0.9× 755 1.1× 511 0.8× 41 1.9k
Joachim Cuntz Germany 21 2.9k 1.7× 1.2k 0.9× 2.2k 2.0× 758 1.1× 345 0.6× 51 3.4k
M. A. Olshanetsky Russia 21 449 0.3× 1.6k 1.2× 428 0.4× 1.9k 2.8× 610 1.0× 63 2.5k
V. K. Patodi United States 10 1.8k 1.0× 829 0.7× 540 0.5× 470 0.7× 555 0.9× 11 2.6k

Countries citing papers authored by Roberto Longo

Since Specialization
Citations

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

Fields of papers citing papers by Roberto Longo

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Roberto Longo

This figure shows the co-authorship network connecting the top 25 collaborators of Roberto Longo. A scholar is included among the top collaborators of Roberto Longo 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 Roberto Longo. Roberto Longo 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.
Longo, Roberto, et al.. (2024). An entropy bound due to symmetries. Reviews in Mathematical Physics.
2.
Gabrielli, Leonardo, et al.. (2023). A3CarScene: An audio-visual dataset for driving scene understanding. Data in Brief. 48. 109146–109146. 5 indexed citations
3.
Longo, Roberto, et al.. (2023). The Massless Modular Hamiltonian. Communications in Mathematical Physics. 400(2). 1181–1201. 11 indexed citations
4.
Longo, Roberto. (2020). The emergence of time. Cineca Institutional Research Information System (Tor Vergata University). 2 indexed citations
5.
Gladman, John, John Buckell, John Young, et al.. (2017). Understanding the Models of Community Hospital rehabilitation Activity (MoCHA): a mixed-methods study. BMJ Open. 7(2). e010483–e010483. 6 indexed citations
6.
Longo, Roberto, et al.. (2015). Characterization of 2D rational local conformal nets and its boundary conditions: the maximal case. Documenta Mathematica. 20. 1137–1184. 9 indexed citations
7.
Kawahigashi, Yasuyuki, et al.. (2014). Tensor categories of endomorphisms and inclusions of von Neumann algebras. arXiv (Cornell University). 3 indexed citations
8.
Longo, Roberto, Pierre Martinetti, & Karl-Henning Rehren. (2010). Geometric modular action for disjoint \nintervals and boundary conformal field theory. Cineca Institutional Research Information System (Tor Vergata University). 34 indexed citations
9.
Kawahigashi, Yasuyuki & Roberto Longo. (2005). Local conformal nets arising from framed vertex operator algebras. Advances in Mathematics. 206(2). 729–751. 23 indexed citations
10.
Longo, Roberto & Karl-Henning Rehren. (2004). Local fields in boundary CFT. arXiv (Cornell University). 4 indexed citations
11.
Longo, Roberto. (2001). Mathematical Physics in Mathematics and Physics. American Mathematical Society eBooks. 26 indexed citations
12.
D’Antoni, Claudio, Roberto Longo, & Florin Rădulescu. (2001). Conformal nets, maximal temperature and models from free probability. Journal of Operator Theory. 45(1). 195–208. 16 indexed citations
13.
Izumi, Masaki, Roberto Longo, & Sorin Popa. (1998). A Galois Correspondence for Compact Groups of Automorphisms of von Neumann Algebras with a Generalization to Kac Algebras. Journal of Functional Analysis. 155(1). 25–63. 94 indexed citations
14.
Longo, Roberto. (1992). Minimal index and braided subfactors. Journal of Functional Analysis. 109(1). 98–112. 59 indexed citations
15.
Kosaki, Hideki & Roberto Longo. (1992). A remark on the minimal index of subfactors. Journal of Functional Analysis. 107(2). 458–470. 44 indexed citations
16.
Buchholz, Detlev, Claudio D’Antoni, & Roberto Longo. (1990). Nuclear maps and modular structures. I. General properties. Journal of Functional Analysis. 88(2). 233–250. 28 indexed citations
17.
Longo, Roberto. (1989). Maximal Abelian Subalgebras with Simple Normalizer. Proceedings of the American Mathematical Society. 107(1). 165–165.
18.
Longo, Roberto. (1987). Simple injective subfactors. Advances in Mathematics. 63(2). 152–171. 44 indexed citations
19.
D’Antoni, Claudio & Roberto Longo. (1983). Interpolation by type I factors and the flip automorphism. Journal of Functional Analysis. 51(3). 361–371. 32 indexed citations
20.
Longo, Roberto. (1979). Automatic relative boundedness of derivations in C∗-algebras. Journal of Functional Analysis. 34(1). 21–28. 17 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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