Michel Raynaud

Michel Raynaud (French: [ʁɛno]; 16 June 1938 – 10 March 2018) was a French mathematician working in algebraic geometry[1] and a professor at Paris-Sud 11 University.

Michel Raynaud
Born(1938-06-16)16 June 1938
Riom, France
Died10 March 2018(2018-03-10) (aged 79)
NationalityFrench
Alma materParis-Sud 11 University
Known forProving the Abhyankar's conjecture, Manin–Mumford conjecture
AwardsCole Prize (1995)
Prize Ampère (1987)
Scientific career
FieldsMathematics
InstitutionsParis-Sud 11 University
Doctoral advisorAlexander Grothendieck
InfluencedAhmed Abbes

Biography

He was born in Riom in the Department Puy de Dôme in France as a single son to a modest household. His father was a carpenter and his mother was cleaning houses.[2] He attended the local primary education at Châtel Guyon and Riom, and high school at the boarding school in Clermont-Ferrand.[2] He managed to enter the École normale supérieur where he studied from 1958 to 1962, while being first of the class in the "agrégation" exam where the new high school teachers were selected in 1961.[2] In 1962 he entered the French National Centre for Scientific Research where he studied together with his future wife Michèle Chaumartin. Both had the same doctoral advisor in Alexander Grothendieck. Raynaud graduated in 1967 and was hired as professor at the Orsay Faculty of Sciences in Paris where he was a employed until 2001, when he retired.[2] In 1983 he published a proof of the Manin–Mumford conjecture.[3]

Honors and awards

In 1970 Raynaud was an invited speaker at the International Congress of Mathematicians in Nice. In 1987 he received the Prize Ampère from the French Academy of Sciences. In 1995 he received the Cole Prize, together with David Harbater, for his solution of the Abhyankar conjecture.[2]

Personal life

He practiced skiing (especially in Val-d'Isère), tennis, and rock climbing (in Fontainebleau).[1] He was married to the mathematician Michèle Raynaud (born Chaumartin)[2] who also worked with Alexander Grothendieck.

See also

References
  1. Gassiat, Elisabeth (March 2018). "Décès de Michel Raynaud". Société Mathématique de France (in French). Retrieved 2018-03-14.
  2. Illusie, Luc. "Michel Raynaud (1938–2018)" (PDF). American Mathematical Society. Retrieved 18 August 2020.
  3. Raynaud, Michel (1983). "Sous-variétés d'une variété abélienne et points de torsion". In Artin, Michael; Tate, John (eds.). Arithmetic and geometry. Papers dedicated to I. R. Shafarevich on the occasion of his sixtieth birthday. Vol. I: Arithmetic. Progress in Mathematics (in French). 35. Boston, MA: Birkhäuser Boston. pp. 327–352. MR 0717600. Zbl 0581.14031.
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