Péter Frankl

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For the pianist, see Peter Frankl.
Peter Frankl at a mathematics conference in Tehran, May 2009.

Péter Frankl (born 26 March 1953 in Kaposvár, Somogy County, Hungary) is a Hungarian mathematician and street performer. Frankl studied Mathematics in University Paris Diderot and has lived in Japan since 1988, where he sometimes appears on NHK. Though not as popular as he once was, he still performs juggling in public spaces around Tokyo. Frankl won a gold medal at the International Mathematical Olympiad in 1971. His Ph.D. advisor was Gyula O.H. Katona,[1] and he has seven joint papers with Paul Erdős,[2]and eleven joint papers with Ronald Graham.[3]

His research is in combinatorics, especially in extremal combinatorics. For example, he is the author of the famous open problem, the union-closed sets conjecture.[4]

Frankl speaks 12 languages (English, Russian, Swedish, French, Spanish, Polish, German, Japanese, Chinese, Thai, Korean).[5]

Since 1998, he has been an external member of the Hungarian Academy of Sciences.[6]

See also[edit]


  1. ^ "Theoretical Computer Science Genealogy". ACM SIGACT. Retrieved 2007-11-27. [dead link]
  2. ^ "Erdos0". Erdos Number Project. Archived from the original on 2 November 2007. Retrieved 2007-11-27. 
  3. ^ "LIST OF PUBLICATIONS OF PETER FRANKL". Retrieved 2015-10-15. 
  4. ^ Frankl's union-closed sets conjecture, the Open Problem Garden.
  5. ^ ピーター流外国語習得術 [Peter-style foreign language acquisition techniques]. Iwanami Junior Shinsho. 
  6. ^ MTA Members: Péter Frankl (in Hungarian), Hungarian Academy of Sciences, retrieved 2015-10-14 .

External links[edit]