Albert Fathi (born 27 October 1951, in

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Medit ...

) is an Egyptian- French mathematician. He specializes in

dynamical system In mathematics, a dynamical system is a system in which a function describes the time dependence of a point in an ambient space. Examples include the mathematical models that describe the swinging of a clock pendulum, the flow of water in ...

s and is currently a professor at the Georgia Institute of Technology. Fathi attended the ''Collège des frères Lasalle'' in

Cairo Cairo ( ; ar, القاهرة, al-Qāhirah, ) is the Capital city, capital of Egypt and its largest city, home to 10 million people. It is also part of the List of urban agglomerations in Africa, largest urban agglomeration in Africa, List of ...

and grew up bilingual in French and

Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter ...

. At age ten, he came as a political refugee to

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), ma ...

and studied at the

École normale supérieure 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, S ...

Saint-Cloud Saint-Cloud () is a commune in the western suburbs of Paris, France, from the centre of Paris. Like other communes of Hauts-de-Seine such as Marnes-la-Coquette, Neuilly-sur-Seine and Vaucresson, Saint-Cloud is one of France's wealthiest tow ...

. He received in 1980 his PhD from the University of Paris 11 under Laurence Siebenmann with thesis ''Transformations et homéomorphismes préservant la mesure''. From 1987 to 1992 he was a professor at the

University of Florida The University of Florida (Florida or UF) is a public land-grant research university in Gainesville, Florida. It is a senior member of the State University System of Florida, traces its origins to 1853, and has operated continuously on its ...

. Since 1992 he has taught at the

École normale supérieure de Lyon The École normale supérieure de Lyon (also known as ENS de Lyon, ENSL or Normale Sup' Lyon) is a French grande école located in the city of Lyon. It is one of the four prestigious écoles normales supérieures in France. The school is ...

(unit of pure and applied mathematics). He has also taught 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 ...

. He has been a visiting professor at the

Institute for Advanced Study The Institute for Advanced Study (IAS), located in Princeton, New Jersey, in the United States, is an independent center for theoretical research and intellectual inquiry. It has served as the academic home of internationally preeminent schola ...

(1986/87), at the

Universidad Complutense de Madrid The Complutense University of Madrid ( es, Universidad Complutense de Madrid; UCM, links=no, ''Universidad de Madrid'', ''Universidad Central de Madrid''; la, Universitas Complutensis Matritensis, links=no) is a public research university lo ...

(Instituto de Matemática Interdisciplinar), in

Nanjing Nanjing (; , Mandarin pronunciation: ), alternately romanized as Nanking, is the capital of Jiangsu province of the People's Republic of China. It is a sub-provincial city, a megacity, and the second largest city in the East China region. T ...

, in

Cambridge Cambridge ( ) is a College town, university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cam ...

and at MSRI. In 2013 he received the Sophie Germain Prize. He is a member of the Institut Universitaire de France. At the International Congress of Mathematicians in 2014 in

Seoul Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 of ...

, Fathi was an Invited Speaker with talk ''Weak KAM Theory: the connection between Aubry-Mather theory and viscosity solutions of the Hamilton-Jacobi equation''.

Selected publications

* The Weak KAM Theorem in Lagrangian Dynamics, Cambridge University Press 201
Preliminayr version of ''Weak KAM Theorem in Lagrangian Dynamics''
* with François Laudenbach,

Valentin Poénaru Valentin Alexandre Poénaru (born 1932 in Bucharest) is a Romanian–French mathematician. He was a Professor of Mathematics at University of Paris-Sud, specializing in low-dimensional topology. Life and career Born in Bucharest, Romania, he di ...

: ''Thurston´s Work on Surfaces'', Princeton University Press 2012 (originally published in ''Travaux de Thurston'', Asterisque, tome 65/66, 1979) * editor with

Jean-Christophe Yoccoz Jean-Christophe Yoccoz (29 May 1957 – 3 September 2016) was a French mathematician. He was awarded a Fields Medal in 1994, for his work on dynamical systems. Biography Yoccoz attended the Lycée Louis-le-Grand, during which time he was a silv ...

: ''Dynamical systems: Michael Herman memorial volume'', Cambridge University Press 2006 * with

Michael Shub Michael Ira Shub (born August 17, 1943) is an American mathematician who has done research into dynamical systems and the complexity of real number algorithms. Biography Shub obtained his Ph.D. degree at the University of California, Berkele ...

, Remi Langevin: ''Global stability of dynamical systems'', Springer Verlag 1987 * editor with Yong-Geun Oh, Claude Viterbo: ''Symplectic topology and measure preserving dynamical systems'', AMS 2010 (Summer Conference, Snowbird 2007) * Systèmes dynamiques, Ecole Polytechnique 1997
''Dehn twists and pseudo-Anosov diffeomorphisms.''
Invent. Math. 87 (1987), no. 1, 129–151. *''Théorème KAM faible et théorie de Mather sur les systèmes lagrangiens.'' Comptes Rendus de l'Académie des Sciences, Série I 324 (1997), no. 9, 1043–1046. *with Antonio Siconolfi
''Existence of C¹ critical subsolutions of the Hamilton-Jacobi equation.''
Invent. Math. 155 (2004), no. 2, 363–388. *with Antonio Siconolfi
''PDE aspects of Aubry-Mather theory for quasiconvex Hamiltonians.''
Calc. Var. Partial Differential Equations 22 (2005), no. 2, 185–228. *with

Alessio Figalli Alessio Figalli (; born 2 April 1984) is an Italian mathematician working primarily on calculus of variations and partial differential equations. He was awarded the Prix and in 2012, the EMS Prize in 2012, the Stampacchia Medal in 2015, the ...

''Optimal transportation on non-compact manifolds''
Israel Journal of Mathematics 175 (2010), 1–59.

References

{{DEFAULTSORT:Fathi, Albert 1951 births Living people Egyptian emigrants to France 20th-century French mathematicians 21st-century French mathematicians Institute for Advanced Study visiting scholars University of Florida faculty Academic staff of Paris-Sud University Dynamical systems theorists