Ken Ono

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Ken Ono
File:TIFF.jpg
Ken Ono in 2015 at the Toronto International Film Festival
Nationality United States
Fields Mathematics
Institutions Emory University
University of Wisconsin–Madison
Alma mater UCLA
University of Chicago
Doctoral advisor Basil Gordon
Notable students Daniel Kane (mathematician)
Karl Mahlburg
Robert Schneider
Gwynneth Coogan

Ken Ono (born 20 March 1968) is a Japanese-American mathematician who specializes in number theory, especially in integer partitions, modular forms, and the fields of interest to Srinivasa Ramanujan. He was the Manasse Professor of Letters and Science and the Hilldale Professor of Mathematics at the University of Wisconsin–Madison.

He is currently the Asa Griggs Candler Professor of Mathematics at Emory University.

Early life and education

Ono is the son of mathematician Takashi Ono, who emigrated from Japan to the United States after World War II. His older brother, immunologist and university president Santa J. Ono, was born while Takashi Ono was in Canada working at the University of British Columbia, but by the time Ken Ono was born the family had returned to the US for a position at the University of Pennsylvania.[1] In the 1980's, Ono attended Towson High School, but he left high school early to attend the University of Chicago and race bicycles. He was a member of the Pepsi–Miyata Cycling Team.

He received his BA from the University of Chicago in 1989, where he was a member of the Psi Upsilon fraternity. He earned his PhD in 1993 at UCLA where his advisor was Basil Gordon.[2] Initially he planned to do medicine, but later switched to mathematics. He attributes his interest in mathematics to his father.[3]

Career and research

Ono's contributions include several monographs and over 140 research and popular articles in number theory, combinatorics, and algebra. He is considered to be an expert in the theory of integer partitions and modular forms. In 2000 he greatly expanded Ramanujan's theory of partition congruences, and in work with Kathrin Bringmann he has made important contributions to the theory of Maass forms, functions which include Ramanujan's mock theta functions as examples. In 2007 Don Zagier gave a Seminar Bourbaki address on the work of Bringmann, Ono, and Zwegers on the mock theta functions. The 2009 SASTRA Ramanujan Prize, awarded to a young mathematician under the age of 32, has been awarded to Kathrin Bringmann for this joint work with Ono. Recently he and his collaborators have announced a proof of the famous Umbral Moonshine Conjecture.

Ono has received many awards for his research. In April 2000 he received the Presidential Career Award (PECASE) from Bill Clinton in a ceremony at the White House, and in June 2005 he received the National Science Foundation Director's Distinguished Teaching Scholar Award at the National Academy of Science. He has also won a Sloan Fellowship, a Packard Fellowship, and a Guggenheim Fellowship. In 2012 he became a fellow of the American Mathematical Society.[4]

In 2011 and 2015 Ono gave TED talks.[5] [6]

In a joint work with Jan Bruinier, he recently discovered a finite formula for computing partition numbers.[7]

He stars in the 2013 docudrama "The genius of Srinivasa Ramanujan".[8]

He is profiled in the May 2014 issue of Scientific American.[9] See also ref.[10] He is an Associate Producer and the mathematical consultant for the upcoming movie 'The Man Who Knew Infinity' based on Ramanujan's biography written by Robert Kanigal.[11]

A framework for the Rogers–Ramanujan identities

In April 2014 Ono announced that he and two others had found a framework for the Rogers–Ramanujan identities and their arithmetic properties, solving a long-standing mystery stemming from the work of Ramanujan. The findings yield a treasure trove of algebraic numbers and formulas to access them. Ono's co-authors for this work were S. Ole Warnaar of the University of Queensland and Michael Griffin, an Emory University graduate student. Their work made world news that year and was ranked 15th among the top 100 stories of 2014 in science in Discover Magazine.[12]

After 15 years of focusing on the Rogers–Ramanujan identities, Warnaar had found a way to embed them into a much larger class of similar identities using representation theory. When Ono saw Warnaar's work last November, "It just clicked," Ono recalls. "Now we can extract infinitely many functions whose values are algebraic numbers." [13]

Personal life

In recent years, Ono has resumed athletic training as a runner, swimmer and cyclist; since 2012, he has competed in triathlons as a member of Team USA. Ken Ono now lives in Atlanta GA with his wife Erika, daughter Aspen, and son Sage.

Honors and awards

  • National Security Agency Young Investigator (1997)
  • National Science Foundation CAREER Award (1998)
  • Alfred P. Sloan Foundation Research Fellowship (1999)
  • David and Lucile Packard Research Fellowship (1999)
  • Presidential Early Career Award (awarded by Clinton) (2000)
  • National Science Foundation CBMS Distinguished Lecturer (2003)
  • John S. Guggenheim Fellowship (2003)
  • Manasse Professor of Letters and Science, U. Wisconsin (2004–2011)
  • National Science Foundation Director's Distinguished Teaching Scholar Award (2005)
  • Hilldale Professor of Mathematics, U. Wisconsin (2008–2011)
  • Candler Professor of Mathematics, Emory University (2010–present)
  • Fellow of the American Mathematical Society (2013)
  • Albert E. Levy Award for Scientific Research (2014)
  • MAA George Polya Distinguished Lecturer (2016-2017)

Editorial boards

Ono is on the editorial board of fourteen journals:

See also

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.. Although primarily a profile of Ono's brother, this article also includes some details of Ono's early family life.
  2. ↑ Ken Ono at the Mathematics Genealogy Project
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ List of Fellows of the American Mathematical Society, retrieved 2013-03-20.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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