Abbas Bahri
   HOME

TheInfoList



OR:

Abbas Bahri (1 January 1955 – 10 January 2016) was a Tunisian mathematician. He was the winner of the
Fermat Prize The Fermat prize of mathematical research biennially rewards research works in fields where the contributions of Pierre de Fermat have been decisive: * Statements of variational principles * Foundations of probability and analytic geometry * Numbe ...
and the Langevin Prize in mathematics. He was a professor of mathematics at
Rutgers University Rutgers University (; RU), officially Rutgers, The State University of New Jersey, is a public land-grant research university consisting of four campuses in New Jersey. Chartered in 1766, Rutgers was originally called Queen's College, and was ...
. He mainly studied the calculus of variations, partial differential equations, and differential geometry. He introduced the method of the critical points at infinity, which is a fundamental step in the calculus of variations.


Biography

Bahri received his secondary education in Tunisia and higher education in France. He attended the École Normale Superieure in Paris in 1974, the first Tunisian to do so. In 1981, he completed his PhD from
Pierre-and-Marie-Curie University Pierre and Marie Curie University (french: link=no, Université Pierre-et-Marie-Curie, UPMC), also known as Paris 6, was a public research university in Paris, France, from 1971 to 2017. The university was located on the Jussieu Campus in the L ...
. His dissertation advisor was the French mathematician
Haïm Brezis Haïm Brezis (born 1 June 1944) is a French mathematician, who mainly works in functional analysis and partial differential equations. Biography Born in Riom-ès-Montagnes, Cantal, France. Brezis is the son of a Romanian immigrant father, wh ...
. Afterwards, he was a visiting scientist at the
University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private university, private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park, Chicago, Hyde Park neighborhood. The University of Chic ...
. In October 1981, Bahri became a lecturer in mathematics at the
University of Tunis Tunis University ( ar, جامعة تونس, french: link=no, Université de Tunis) is a university in Tunis, Tunisia. It was founded in 1960 on the basis of earlier educational establishments. The University of Tunis is a member of the Mediterr ...
. He taught as a lecturer at the
École Polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...
from 1984 to 1993. In 1988, he became a tenured professor at Rutgers University. At Rutgers, he was director of the Center for Nonlinear Analysis from 1988 to 2002.


Personal life

He married Diana Nunziante on 20 June 1991. His wife is from
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
and they had four children. On 10 January 2016, he died following a long illness at the age of 61.


Awards

In 1989, Bahri won the Fermat Prize for Mathematics, jointly with
Kenneth Alan Ribet Kenneth Alan Ribet (; born June 28, 1948) is an American mathematician working in algebraic number theory and algebraic geometry. He is known for the Herbrand–Ribet theorem and Ribet's theorem, which were key ingredients in the proof of Fermat ...
, for his introduction of new methods in the calculus of variations.


Works

* ''Pseudo-orbits of contact forms'' (1988) * ''Critical Points at Infinity in Some Variational Problems'' (1989) * ''Classical and Quantic Periodic Motions of Multiply Polarized Spin-Particles'' (1998) * ''Flow lines and algebraic invariants in contact form geometry'' (2003) * ''Recent progress in conformal geometry'' with Yongzhong Xu (2007)


Selected publications

* *


References


External links


Official Rutgers website
{{DEFAULTSORT:Bahri, Abbas Rutgers University faculty 1955 births 2016 deaths Tunisian mathematicians Variational analysts Pierre and Marie Curie University alumni People from Tunis