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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,〔(【引用サイトリンク】 work = ACM SIGACT ) 〕 and he has seven joint papers with Paul Erdős,and eleven joint papers with Ronald Graham.〔(【引用サイトリンク】 url =http://www.renyi.hu/~pfrankl/FPpubl.html ) 〕 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.〔(Frankl's union-closed sets conjecture ), the Open Problem Garden.〕 Frankl speaks 12 languages (English, Russian, Swedish, French, Spanish, Polish, German, Japanese, Chinese, Thai, Korean). Since 1998, he has been an external member of the Hungarian Academy of Sciences.〔.〕 ==See also== * Frankl 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Péter Frankl」の詳細全文を読む スポンサード リンク
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