Michael Herman (mathematician)

Michael Robert Herman (6 November 1942 – 2 November 2000) was a French American mathematician. He was one of the leading experts on the theory of dynamical systems.

Michael Herman
Born	6 November 1942 New York City
Died	2 November 2000 Paris
Alma mater	Paris-Sud 11 University
Known for	Herman ring Denjoy–Koksma inequality Surface hopping
Awards	ICM Speaker (1978, 1998) Salem Prize (1976)
Scientific career
Fields	Mathematics
Doctoral advisor	Harold Rosenberg
Doctoral students	Marie-Claude Arnaud Raphael Douady Raphaël Krikorian Jean-Christophe Yoccoz Bassam Fayad

Born in New York City, he was educated in France. He was a student at École polytechnique before being one of the first members of the Centre de Mathématiques created there by Laurent Schwartz. In 1976 he earned his PhD at the Paris-Sud 11 University, under supervision of Harold Rosenberg. He introduced Herman rings in 1979.

Herman received the Salem Prize in 1976. He was an Invited Speaker of the International Congress of Mathematicians (ICM) in 1978 in Helsinki^[1] and the ICM in 1998 in Berlin.^[2] Among his students was Jean-Christophe Yoccoz, 1994 Fields Medalist.

See also

• Almost Mathieu operator
• Kolmogorov–Arnold–Moser theorem