Alain Valette

2.8k total citations · 1 hit paper
69 papers, 1.4k citations indexed

About

Alain Valette is a scholar working on Mathematical Physics, Geometry and Topology and Algebra and Number Theory. According to data from OpenAlex, Alain Valette has authored 69 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 55 papers in Mathematical Physics, 34 papers in Geometry and Topology and 21 papers in Algebra and Number Theory. Recurrent topics in Alain Valette's work include Advanced Operator Algebra Research (45 papers), Geometric and Algebraic Topology (22 papers) and Homotopy and Cohomology in Algebraic Topology (21 papers). Alain Valette is often cited by papers focused on Advanced Operator Algebra Research (45 papers), Geometric and Algebraic Topology (22 papers) and Homotopy and Cohomology in Algebraic Topology (21 papers). Alain Valette collaborates with scholars based in Switzerland, France and United States. Alain Valette's co-authors include Pierre de la Harpe, Bachir Bekka, Pierre Julg, Pierre-Alain Cherix, Paul Jolissaint, Peter Sarnak, Michael Cowling, Mohammed E. B. Bekka, Yves Cornulier and Florian Martin and has published in prestigious journals such as Lecture notes in mathematics, Transactions of the American Mathematical Society and Advances in Mathematics.

In The Last Decade

Alain Valette

64 papers receiving 1.2k citations

Hit Papers

Kazhdan's Property (T) 2008 2026 2014 2020 2008 50 100 150 200 250
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. Kazhdan's Property (T)
    2008 255 citations Pierre de la Harpe, Alain Valette et al. profile →

Peers

Alain Valette
Pierre de la Harpe Switzerland
Bernard Host France
Frederick Greenleaf United States
Alexandru Zaharescu United States
M. S. Raghunathan India
Ilya Piatetski-Shapiro United States
Daniel Bump United States
Michel Waldschmidt France
Karl‐Hermann Neeb Germany
François Bruhat France
Pierre de la Harpe Switzerland
Alain Valette
Citations per year, relative to Alain Valette Alain Valette (= 1×) peers Pierre de la Harpe

Countries citing papers authored by Alain Valette

Since Specialization
Citations

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

Fields of papers citing papers by Alain Valette

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Alain Valette

This figure shows the co-authorship network connecting the top 25 collaborators of Alain Valette. A scholar is included among the top collaborators of Alain Valette 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 Alain Valette. Alain Valette 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.
Valette, Alain, et al.. (2023). Wasserstein distance and metric trees. 69(3). 315–333. 2 indexed citations
2.
Valette, Alain. (2017). Spectra of graphs and the spectral criterion for property (T). Electronic Journal of Graph Theory and Applications. 5(1). 112–116. 1 indexed citations
3.
Flores, Ramón, et al.. (2017). K ‐homology and K ‐theory for the lamplighter groups of finite groups. Proceedings of the London Mathematical Society. 115(6). 1207–1226. 4 indexed citations
4.
Valette, Alain, et al.. (2013). L2-Betti numbers and Plancherel measure. Journal of Functional Analysis. 266(5). 3156–3169. 2 indexed citations
5.
Cornulier, Yves, et al.. (2012). Proper actions of wreath products and generalizations. Transactions of the American Mathematical Society. 364(6). 3159–3184. 18 indexed citations
6.
Arzhantseva, Goulnara, Andreas Thom, & Alain Valette. (2011). Finite-dimensional Approximations of Discrete Groups. Oberwolfach Reports. 8(2). 1429–1467.
7.
Martin, Florian & Alain Valette. (2007). On the first $L^p$-cohomology of discrete groups. Groups Geometry and Dynamics. 1(1). 81–100. 11 indexed citations
8.
Martin, Florian & Alain Valette. (2006). Reduced 1-Cohomology of Connected Locally Compact Groups and Applications. Journal of Lie theory. 16(2). 311–328. 9 indexed citations
9.
Bourdon, Marc, Florian Martin, & Alain Valette. (2005). Vanishing and non-vanishing for the first $L^p$-cohomology of groups. Commentarii Mathematici Helvetici. 80(2). 377–389. 12 indexed citations
10.
Valette, Alain. (2003). Nouvelles approches de la propriété (T) de Kazhdan. French digital mathematics library (Numdam). 45. 97–124. 2 indexed citations
11.
Cherix, Pierre-Alain, Michael Cowling, Paul Jolissaint, Pierre Julg, & Alain Valette. (2001). Groups with the Haagerup property : Gromov's a-T-menability. CERN Document Server (European Organization for Nuclear Research). 87 indexed citations
12.
Burger, Marc & Alain Valette. (1998). Idempotents in Complex Group Rings: Theorems of Zalesskii and Bass Revisited. Journal of Lie theory. 8(2). 219–228. 5 indexed citations
13.
Valette, Alain. (1997). Graphes de Ramanujan et applications. French digital mathematics library (Numdam). 39. 247–276. 6 indexed citations
14.
Valette, Alain. (1997). An application of Ramanujan graphs to C∗-algebra tensor products. Discrete Mathematics. 167-168. 597–603. 5 indexed citations
15.
Cherix, Pierre-Alain, Alain Valette, & Paul Jolissaint. (1996). On spectra of simple random walks on one-relator groups.With an appendix by Paul Jolissain. Pacific Journal of Mathematics. 175(2). 417–438. 9 indexed citations
16.
Harpe, Pierre de la, et al.. (1994). ON EXACTNESS OF GROUP C*-ALGEBRASS. The Quarterly Journal of Mathematics. 45(4). 499–513. 7 indexed citations
17.
Harpe, Pierre de la, et al.. (1993). On the spectrum of the sum of generators of a finitely generated group, II. Archive ouverte UNIGE (University of Geneva). 15 indexed citations
18.
Harpe, Pierre de la & Alain Valette. (1989). La propriété (T) de Kazhdan pour les groupes localement compacts. 112 indexed citations
19.
Julg, Pierre & Alain Valette. (1984). K-theoretic amenability for SL2(Qp), and the action on the associated tree. Journal of Functional Analysis. 58(2). 194–215. 39 indexed citations
20.
Valette, Alain. (1984). K-THEORY FOR THE REDUCED C-ALGEBRA OF A SEMI-SIMPLE LIE GROUP WITH REAL RANK 1 AND FINITE CENTRE. The Quarterly Journal of Mathematics. 35(3). 341–359. 9 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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