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Michael Freedman
Michael Freedman 2010.jpg
Michael Freedman in 2010
Born Michael Hartley Freedman
April 21, 1951 (1951-04-21) (age 62)
Los Angeles, California, U.S.
Nationality American
Fields Mathematics and condensed matter physics
Institutions Microsoft Station Q
UC Santa Barbara
UC San Diego
Institute for Advanced Study
UC Berkeley
Alma mater Princeton University
University of California, Berkeley
Doctoral advisor William Browder
Known for Work on the Poincaré conjecture in dimension 4
Notable awards Fields Medal (1986)
National Medal of Science (1987)

Michael Hartley Freedman (born 21 April 1951) is an American mathematician, at Microsoft Station Q, a research group at the University of California, Santa Barbara.[1] In 1986, he was awarded a Fields Medal for his work on the Poincaré conjecture. Freedman and Robion Kirby showed that an exotic R4 manifold exists.

Life and career[edit]

Freedman was born in Los Angeles, California, U.S. His father, Benedict Freedman, was an aeronautical engineer, musician, writer, and mathematician.[2] His mother, Nancy Mars Freedman, performed as an actress and also trained as an artist.[3] His parents cowrote a series of novels together. He entered the University of California, Berkeley, in 1968, and continued his studies at Princeton University where he received Ph.D. degree in 1973 for his doctoral dissertation titled Codimension-Two Surgery, written under the supervision of William Browder. After graduating, Freedman was appointed a lecturer in the Department of Mathematics at the University of California, Berkeley. He held this post from 1973 until 1975, when he became a member of the Institute for Advanced Study (IAS) at Princeton. In 1976 he was appointed assistant professor in the Department of Mathematics at the University of California, San Diego (UCSD). He spent the year 1980/81 at IAS, returning to UCSD, where in 1982 he was promoted to professor. He was appointed the Charles Lee Powell chair of mathematics at UCSD in 1985.

Freedman has received numerous other awards and honors including Sloan and Guggenheim Fellowships, a MacArthur Fellowship and the National Medal of Science. He is an elected member of the National Academy of Sciences, and a fellow of the American Academy of Arts and Sciences and of the American Mathematical Society.[4] He currently works at Microsoft Station Q at the University of California, Santa Barbara, where his team is involved in the development of the topological quantum computer.


  • Michael H. Freedman and Frank Quinn, Topology of 4-manifolds, Princeton Mathematical Series, vol 39, Princeton University Press, Princeton, NJ, 1990. ISBN 0-691-08577-3
  • Freedman, Michael H.: Z2-systolic-freedom. Proceedings of the Kirbyfest (Berkeley, CA, 1998), 113–123 (electronic), Geom. Topol. Monogr., 2, Geom. Topol. Publ., Coventry, 1999.
  • Freedman, Michael H.; Meyer, David A.; Luo, Feng: Z2-systolic freedom and quantum codes. Mathematics of quantum computation, 287–320, Comput. Math. Ser., Chapman & Hall/CRC, Boca Raton, FL, 2002.


External links[edit]

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38 news items

The Patriot-News
Wed, 26 Mar 2014 08:51:01 -0700

Dane Michael Freedman was a machine gunner for the U.S. Marines who served two combat tours, one in Iraq and other in Afghanistan. When he returned home, however, the 25-year-old Camp Hill man faced internal enemies of fear, guilt and hopelessness.
CultureMap Houston
Tue, 08 Apr 2014 07:54:58 -0700

School Board author Michael Freedman will be at Brazos Bookstore Tuesday night (April 8); The Promise author Anne Weisgarber Wednesday night (April 9) and Magnolia City author Duncan Alderson Thursday night (April 10). All appearances are at 7 p.m..
The Daily Telegraph
Sun, 06 Apr 2014 05:00:00 -0700

I couldn't say enough about (trainer) Michael Freedman in Singapore. “He's been fantastic to my family, he got the best care for Nathan, so in that respect, I'll never be able to thank him (enough).'' Nathan, 23, died on Thursday after a short battle ...


Fri, 21 Mar 2014 14:11:15 -0700

In the latest development, the Office of Management and Budget (OMB) has posted a form for public review and comment that would permit access to the DMF through a self-certification form, according to Michael Freedman, founder of Sentinel Solutions in ...
The Daily Telegraph
Thu, 20 Mar 2014 04:15:00 -0700

Meanwhile, trainer Michael Freedman injured his shoulder when he slipped on some steps at the hospital as he dropped off Berry's wife Whitney. RYAN THE KING OF JUVENILES. BACHMAN'S win at Warwick Farm yesterday was Gerald Ryan's NINTH ...


Tue, 25 Mar 2014 11:22:30 -0700

“The DMF Coalition is grateful to NTIS and the Department of Commerce for their efforts to maintain access to the Death Master File for legitimate users,” said Michael Freedman, founder of Sentinel Solutions in Philadelphia and spokesman for a broad ...

GW Hatchet (subscription)

GW Hatchet (subscription)
Wed, 19 Mar 2014 23:45:00 -0700

Michael Freedman, who led Trachtenberg's public affairs operation, said GW then doubled down on the renown of its location, finally penning the phrase “four blocks from the White House” on every press release. After the 1992 election, GW also housed ...


The Daily Telegraph
Tue, 18 Mar 2014 16:15:00 -0700

The good thing is (trainer) Michael Freedman has organised for two of the best neurosurgeons to be with him.'' Berry, 23, was understood to have experienced flu symptoms as early as Friday. He just started a four-month riding stint in Singapore. He ...

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