Yoshiharu Kohayakawa

Yoshiharu Kohayakawa (Japanese: 小早川美晴; born 1963) is a Japanese-Brazilian mathematician working on discrete mathematics and probability theory.[1] He is known for his work on Szemerédi's regularity lemma, which he extended to sparser graphs.[2][3]

Yoshiharu Kohayakawa, in 2017.

Biography

Kohayakawa was a student of Béla Bollobás at the University of Cambridge.[4]

According to Google Scholar, as of August 21, 2019, Kohayakawa's works have been cited over 3194 times, and his h-index is 33.[5]

He is a titular member of the Brazilian Academy of Sciences.[1]

In 2000, five American researchers received an USA NSF Research Grant in the value of $20,000 to go to Brazil to work in collaboration with him on mathematical problems.[6]

Kohayakawa has an Erdős number of 1.[7][8]

He was awarded the 2018 Fulkerson Prize.

References
  1. Brazilian Academy of Sciences – Yoshiharu Kohayakawa Archived May 24, 2015, at the Wayback Machine
  2. László Lovász – Large Networks and Graph Limits, p. 395
  3. Bridget S. Webb – Surveys in Combinatorics 2005, p. 227
  4. Mathematics Genealogy Project – Yoshiharu Kohayakawa
  5. Google Scholar Profile – Yoshiharu Kohayakawa
  6. U.S.-Brazil Cooperative Research: Problems on Random Graphs (Structures) and Set Systems: NSG GRANT 0072064
  7. Celina Miraglia Herrera – My Erdős number
  8. He wrote "The size of the largest bipartite subgraphs", on Discrete Mathematics with Erdős and Gyárfás
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