Igor Pak

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Igor Pak (Russian: Игорь Пак) (born 1971, Moscow, Soviet Union) is a professor of mathematics at the University of California, Los Angeles, working in combinatorics and discrete probability. He formerly taught at the Massachusetts Institute of Technology, and the University of Minnesota and is best known for his bijective proof of the hook-length formula for the number of Young tableaux, and his work on random walks. He was a keynote speaker alongside George Andrews and Doron Zeilberger at the 2006 Harvey Mudd College Mathematics Conference on Enumerative Combinatorics.

Pak is an Associate Editor for the journal Discrete Mathematics[1] and an Editor (responsible for combinatorics and discrete geometry) of the Transactions of the American Mathematical Society.[2] He gave a Fejes Tóth Lecture at the University of Calgary in February 2009.[3]

In 2018, he was an invited speaker at the International Congress of Mathematicians in Rio de Janeiro.


Pak went to Moscow High School № 57. After graduating, he worked for a year at Bank Menatep.

He did his undergraduate studies at Moscow State University. He was a Ph.D. student of Persi Diaconis at Harvard University, where he received a doctorate in Mathematics in 1997, with a thesis title Random Walks on Groups: Strong Uniform Time Approach.[4] Afterwards, he worked with László Lovász as a postdoc at Yale University. He was a fellow at the Mathematical Sciences Research Institute, and a long term visitor at the Hebrew University of Jerusalem.


  1. ^ Editorial Board, Discrete Mathematics, Elsevier. Accessed February 10, 2010
  2. ^ Editorial Board, Transactions of the American Mathematical Society. Accessed September 16, 2016
  3. ^ Fejes Tóth Lecture Archived 2013-01-02 at Archive.today, Centre for Computational and Discrete Geometry, University of Calgary. Accessed February 10, 2010
  4. ^ *Igor Pak at the Mathematics Genealogy Project. Accessed February 10, 2010

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