Michael Herman (mathematician)

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Michael Herman
Born6 November 1942
New York City
Died2 November 2000
Alma materParis-Sud 11 University
Scientific career
Doctoral advisorHarold Rosenberg
Doctoral studentsMarie-Claude Arnaud
Raphael Douady
Jean-Christophe Yoccoz
Bassam Fayad

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.

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.

Among his students was Jean-Christophe Yoccoz, 1994 Fields Medalist.


  • "Michael R. Herman", Gazette des Mathématiciens, Paris: Société Mathématique de France, 88: 54–94, 2001, ISSN 0224-8999, MR 1829885
  • Fathi, Albert (2001), "Michel Herman: souvenirs de ses travaux", Gazette des Mathématiciens (89): 21–47, ISSN 0224-8999, MR 1858949
  • Fathi, A.; Yoccoz, J.-C. (2004). "Michael Robert Herman, 1942–2000". Ergodic Theory and Dynamical Systems. 24 (5): 1273–1275. doi:10.1017/S0143385704000677.
  • Fathi, A.; Yoccoz, J.-C., eds. (2006) [2004], Dynamical systems. Michael Herman memorial volume, Reprint of Ergodic Theory Dynam. Systems 24 (2004), no. 5., Cambridge University Press, ISBN 978-0-521-86068-0, MR 2238852
  • Michael Herman at the Mathematics Genealogy Project