Michael Robert Herman (6 November 1942 – 2 November 2000) was a

French American French Americans or Franco-Americans (french: Franco-Américains), are citizens or nationals of the United States who identify themselves with having full or partial French or French-Canadian heritage, ethnicity and/or ancestral ties. ...

mathematician. He was one of the leading experts on the theory of

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. Born in New York City, he was educated in France. He was a student at

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 ...

before being one of the first members of the Centre de Mathématiques created there by

Laurent Schwartz Laurent-Moïse Schwartz (; 5 March 1915 – 4 July 2002) was a French mathematician. He pioneered the theory of distributions, which gives a well-defined meaning to objects such as the Dirac delta function. He was awarded the Fields Medal in ...

. In 1976 he earned his PhD at the

Paris-Sud 11 University Paris-Sud University (French: ''Université Paris-Sud''), also known as University of Paris — XI (or as Université d'Orsay before 1971), was a French research university distributed among several campuses in the southern suburbs of Paris, in ...

, under supervision of

Harold Rosenberg Harold Rosenberg (February 2, 1906 – July 11, 1978) was an American writer, educator, philosopher and art critic. He coined the term Action Painting in 1952 for what was later to be known as abstract expressionism. Rosenberg is best known for ...

. He introduced Herman rings in 1979. Herman received the Salem Prize in 1976. He was an Invited Speaker of the

International Congress of Mathematicians The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU). The Fields Medals, the Nevanlinna Prize (to be rename ...

(ICM) in 1978 in Helsinki and the ICM in 1998 in Berlin. Among his students was

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 ...

, 1994 Fields Medalist.

References

* * * * * 1942 births 2000 deaths Scientists from New York City French people of American descent 20th-century French mathematicians University of Paris alumni Dynamical systems theorists Members of the French Academy of Sciences École Polytechnique alumni {{France-mathematician-stub