Biography:Alain Connes

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Short description: French mathematician (born 1947)


Alain Connes
Photo of the upper body of Alain Connes with vegetation, blue sky, and clouds in the background
Alain Connes in 2004
Born (1947-04-01) 1 April 1947 (age 77)
Draguignan, France
Alma materÉcole Normale Supérieure
Pierre and Marie Curie University
Known forBaum–Connes conjecture
Noncommutative geometry
Noncommutative standard model
Operator algebras
Thermal time hypothesis
AwardsPeccot-Vimont Prize (1976)
CNRS Silver Medal (1977)
Prize Ampère (1980)
Fields Medal (1982)
Clay Research Award (2000)
Crafoord Prize (2001)
CNRS Gold medal (2004)
Scientific career
FieldsMathematics
Particle physics
InstitutionsCollège de France
IHÉS
Ohio State University
Vanderbilt University
ThesisA Classification of Factors of Type III (1973)
Doctoral advisorJacques Dixmier
Doctoral studentsJean-Benoît Bost
Georges Skandalis
Websitealainconnes.org

Alain Connes (French: [alɛ̃ kɔn]; born 1 April 1947 in Draguignan) is a French mathematician, known for his contributions to the study of operator algebras and noncommutative geometry. He is a professor at the Collège de France, Institut des Hautes Études Scientifiques, Ohio State University and Vanderbilt University. He was awarded the Fields Medal in 1982.[1][2][3][4]

Career

Alain Connes attended high school at Lycée Saint-Charles [fr] in Marseille, and was then a student of the classes préparatoires in Lycée Thiers [fr]. Between 1966 and 1970 he studed at École normale supérieure in Paris, and in 1973 he obtained a PhD from Pierre and Marie Curie University, under the supervision of Jacques Dixmier.[2]

From 1970 to 1974 he was research fellow at the French National Centre for Scientific Research and during 1975 he held a visiting position at Queen's University at Kingston in Canada.[5]

In 1976 he returned to France and worked as professor at Pierre and Marie Curie University until 1980 and at CNRS between 1981 and 1984. Moreover, since 1979 he holds the Léon Motchane Chair at IHES.[6] From 1984 until his retirement in 2017 he held the chair of Analysis and Geometry at Collège de France.[5][7]

In parallel, he was awarded a distinguished professorship at Vanderbilt University between 2003 and 2012,[8] and at Ohio State University between 2012 and 2021.

In 2000 he was an invited professor at the Conservatoire national des arts et métiers.[9]

Research

Connes' main research interests revolved around operator algebras. Besides noncommutative geometry, he has applied his works in various areas of mathematics and theoretical physics, including number theory, differential geometry and particle physics.[2][10][3][4]

In his early work on von Neumann algebras in the 1970s, he succeeded in obtaining the almost complete classification of injective factors. He also formulated the Connes embedding problem.

Following this, he made contributions in operator K-theory and index theory, which culminated in the Baum–Connes conjecture. He also introduced cyclic cohomology in the early 1980s as a first step in the study of noncommutative differential geometry.[11][12][13][14]

He was a member of Nicolas Bourbaki.[15]

Awards and honours

Connes was awarded the Peccot-Vimont Prize in 1976,[16] the Ampère Prize in 1980, the Fields Medal in 1982,[17][18] the Clay Research Award in 2000[19] and the Crafoord Prize in 2001.[20][21][22] The French National Centre for Scientific Research granted him the silver medal in 1977[23] and the gold medal in 2004.[24][25][26][27][28]

He was an invited speaker at the International Congress of Mathematicians in 1974 at Vancouver and in 1986 at Berkeley, and a plenary speaker at the ICM in 1978 at Helsinki.

Alain Connes at a conference in 2012 in Villeneuve-d'Ascq.

He was awarded honorary degrees from Queen's University at Kingston in 1979,[29] University of Rome Tor Vergata in 1997,[30] University of Oslo in 1999,[31] University of Southern Denmark in 2009, Université Libre de Bruxelles in 2010[32] and Shanghai Fudan University in 2017.

Since 1982 he is a member of the French Academy of Sciences.[33] He was elected member of several foreign academies and societies, including the Royal Danish Academy of Sciences and Letters in 1980,[34] the Norwegian Academy of Science and Letters in 1983,[35] the American Academy of Arts and Sciences in 1989,[36] the London Mathematical Society in 1994,[37] the Canadian Academy of Sciences in 1995 (incorporated since 2002 in the Royal Society of Canada),[38] the US National Academy of Sciences in 1997,[39] the Russian Academy of Science in 2003[40] and the Royal Academy of Science, Letters and Fine Arts of Belgium in 2016.[41]

In 2001 he received (together with his co-authors André Lichnerowicz and Marco Schutzenberger) the Peano Prize for his work Triangle of Thoughts.[42]

Books

  • Alain Connes and Matilde Marcolli, Noncommutative Geometry, Quantum Fields and Motives, Colloquium Publications, American Mathematical Society, 2007, ISBN:978-0-8218-4210-2 [1]
  • Alain Connes, André Lichnerowicz, and Marcel-Paul Schutzenberger, Triangle of Thought, translated by Jennifer Gage, American Mathematical Society, 2001, ISBN:978-0-8218-2614-0
  • Jean-Pierre Changeux and Alain Connes, Conversations on Mind, Matter, and Mathematics, translated by M. B. DeBevoise, Princeton University Press, 1998, ISBN:978-0-691-00405-1
  • Alain Connes, Noncommutative Geometry, Academic Press, 1994, ISBN:978-0-12-185860-5[43]

See also

References

  1. ↑ O'Connor, John; Robertson, Edmund. "Alain Connes" (in en). https://mathshistory.st-andrews.ac.uk/Biographies/Connes/. 
  2. ↑ 2.0 2.1 2.2 Jackson, Allyn (2021). "Interview with Alain Connes" (in en). https://celebratio.org/Connes_A/article/842/. 
  3. ↑ 3.0 3.1 Skandalis, Georges; Goldstein, Catherine (2007). "An interview with Alain Connes, part I". EMS Newsletter (European Mathematical Society) 63: 25–30. https://ems.press/content/serial-issue-files/13664. 
  4. ↑ 4.0 4.1 Skandalis, Georges; Goldstein, Catherine (2008). "An interview with Alain Connes, part II". EMS Newsletter (European Mathematical Society) 67: 29–33. https://ems.press/content/serial-issue-files/13672. 
  5. ↑ 5.0 5.1 "Curriculum Vitae". 2021-04-22. https://alainconnes.org/cv/. 
  6. ↑ "Alain Connes, emeritus professor since 2017". https://www.ihes.fr/en/professeur/alain-connes-2/. 
  7. ↑ "Alain Connes" (in fr). 2022-04-11. https://www.college-de-france.fr/fr/chaire/alain-connes-analyse-et-geometrie-chaire-statutaire/biography. 
  8. ↑ "World-class mathematician joins Vanderbilt faculty" (in en-US). 4 September 2003. https://news.vanderbilt.edu/2003/09/04/world-class-mathematician-joins-vanderbilt-faculty-59929/. 
  9. ↑ Alain Connes, « Géométrie non-commutative », Université de tous les savoirs, 4, 175–190, Editions Odile Jacob, 2001.
  10. ↑ Alexander Hellemans, "The Geometer of Particle Physics" Scientific American, 24 July 2006
  11. ↑ Moore, Calvin (1982). "The work of Alain Connes". Notices of the American Mathematical Society 29 (6): 499–501. https://www.ams.org/journals/notices/198210/198210FullIssue.pdf?cat=fullissue&trk=fullissue198210. 
  12. ↑ Seda, Anthony Karel (1984). "One aspect of the work of Alain Connes". Irish Mathematical Society Newsletter 11: 38–48. https://www.irishmathsoc.org/nl11/nl11_38-48.pdf. 
  13. ↑ Lesniewski, Andrew (1997). "Noncommutative Geometry". Notices of the American Mathematical Society 44 (7): 800–805. https://www.ams.org/notices/199707/lesniewski.pdf. 
  14. ↑ Cornelissen, Gunther; Landsman, Klaas; van Suijlekom, Walter (2010). "The flashes of insight never came for free". Nieuw Archief voor Wiskunde 11 (5): 250–256. https://www.nieuwarchief.nl/serie5/pdf/naw5-2010-11-4-250.pdf. 
  15. ↑ Mashaal, Maurice (2006). Bourbaki: a secret society of mathematicians. American Mathematical Society. p. 18. ISBN 978-0-8218-3967-6. https://books.google.com/books?id=-CXn6y_1nJ8C&pg=PA18. 
  16. ↑ "Cours et Prix Claude-Antoine Peccot" (in fr). 2022-05-11. https://www.college-de-france.fr/fr/prix/cours-et-prix-claude-antoine-peccot. 
  17. ↑ "International mathematical congresses. An illustrated history 1893 – 1986". Springer-Verlag. 1986. https://www.mathunion.org/fileadmin/IMU/Prizes/Fields/1982/index.html#0x82496a1f_0x0005ea30. 
  18. ↑ IMU Secretariat. "Fields Medal – International Mathematical Union (IMU)". International Mathematical Union. https://www.mathunion.org/imu-awards/fields-medal. 
  19. ↑ "Research Awards". https://www.claymath.org/research. 
  20. ↑ "Crafoord Prize to one of the world's foremost mathematicians" (in en-GB). 2001-01-24. https://www.crafoordprize.se/news/crafoord-prize-to-one-of-the-worlds-foremost-mathematicians/. 
  21. ↑ "Crafoord Prize Laureates". 2000. https://www.crafoordprize.se/prize-laureate/alain-connes/. 
  22. ↑ Holden, Constance (2001). "French Mathematician Wins Crafoord Prize". Science. https://www.science.org/content/article/french-mathematician-wins-crafoord-prize. 
  23. ↑ Burgos, Valérie (2023-01-31). "Médailles d'argent du CNRS 1960-2010" (in fr-FR). https://comihistocnrs.hypotheses.org/2706. 
  24. ↑ "Alain Connes, mathématicien, Médaille d'or du CNRS 2004" (in fr-FR). 2004. https://archives.cnrs.fr/presse/article/582. 
  25. ↑ "Alain Connes, Médaille d'or 2004 du CNRS" (in fr). 2004. http://www2.cnrs.fr/sites/band/fichier/or.pdf. 
  26. ↑ "Alain Connes: indomitable explorer". A Year at CNRS 2004: 10–11. 2005. http://www2.cnrs.fr/sites/band/fichier/ra_2004_gb.pdf. 
  27. ↑ Dumas, Cécile (2004-11-09). "Alain Connes, médaillé d'or du CNRS" (in fr). https://www.sciencesetavenir.fr/fondamental/alain-connes-medaille-d-or-du-cnrs_22257. 
  28. ↑ "Vanderbilt math professor Alain Connes receives prestigious French science award" (in en-US). 2005. https://news.vanderbilt.edu/2005/02/16/vanderbilt-math-professor-alain-connes-receives-prestigious-french-science-award-59421/. 
  29. ↑ "1858-2011 Honorary Degree Recipients". https://www.queensu.ca/registrar/sites/uregwww/files/uploaded_files/pdfs/HDrecipients.pdf. 
  30. ↑ "Lauree Honoris Causa" (in it). https://web.uniroma2.it/it/contenuto/lauree_honoris_causa. 
  31. ↑ "Æresdoktorer ved UiO 2000-2008" (in no). https://www.uio.no/om/tall-og-fakta/aresdoktorer/tidligere-aresdoktorer/2000-2008/. 
  32. ↑ "ULB's honorary doctorates" (in en). https://www.ulb.be/en/about-ulb/ulbs-honorary-doctorates. 
  33. ↑ "Alain Connes". https://www.academie-sciences.fr/fr/Liste-des-membres-de-l-Academie-des-sciences-/-C/alain-connes.html. 
  34. ↑ "Alain Connes". https://www.royalacademy.dk/en/Members/Connes-Alain. 
  35. ↑ "Utenlandske medlemmer" (in nb). https://dnva.no/medlemmer/53. 
  36. ↑ "Alain Connes" (in en). 2023-02-09. https://www.amacad.org/person/alain-connes. 
  37. ↑ "London Mathematical Society Honorary Members". https://www.lms.ac.uk/sites/default/files/inline-files/HONORARY%20MEMBERS_0.pdf. 
  38. ↑ "Member Directory". https://rsc-src.ca/en/find-rsc-member/results?combine=&first_name=&last_name=connes&current_employer=&academy_25=All&is_deceased=All. 
  39. ↑ "Alain Connes". https://www.nasonline.org/member-directory/members/3003968.html. 
  40. ↑ "Конн А.. - Общая информация" (in ru). https://www.ras.ru/win/db/show_per.asp?P=.id-53787.ln-en. 
  41. ↑ "Alain Connes" (in fr). https://academieroyale.be/fr/l-academie-royale-classes-classe-sciences-membres-detail/relations/alain-connes/. 
  42. ↑ "Premio Peano | Associazione Subalpina Mathesis" (in it-IT). 2015-11-03. https://www.associazionesubalpinamathesis.it/premio-peano/. 
  43. ↑ Segal, Irving (1996). "Book Review: Noncommutative Geometry, by Alan Connes". Bulletin of the American Mathematical Society. New Series 33 (4): 459–465. doi:10.1090/s0273-0979-96-00687-8. https://www.ams.org/journals/bull/1996-33-04/S0273-0979-96-00687-8/S0273-0979-96-00687-8.pdf. 

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