Kenji Fukaya (Japanese: 深谷賢治, Fukaya Kenji, born in 1959) is a Japanese mathematician known for his work in symplectic…Kenji Fukaya (Japanese: 深谷賢治, Fukaya Kenji, born in 1959) is a Japanese mathematician known for his work in symplectic geometry and Riemannian geometry. His many fundamental contributions to mathematics include the discovery of the Fukaya category. He was a permanent faculty member at the Simons Center for Geometry and Physics and a professor of mathematics at Stony Brook University before leaving for Tsinghua University.
Shigefumi Mori (森 重文, Mori Shigefumi; born February 23, 1951) is a Japanese mathematician, known for his work in…Shigefumi Mori (森 重文, Mori Shigefumi; born February 23, 1951) is a Japanese mathematician, known for his work in algebraic geometry, particularly in relation to the classification of three-folds. He won the Fields Medal in 1990.
Hiroshi Umemura (梅村 浩; 1944 – March 8, 2019) was a Japanese mathematician and professor at Nagoya University in the…Hiroshi Umemura (梅村 浩; 1944 – March 8, 2019) was a Japanese mathematician and professor at Nagoya University in the field of algebraic geometry and differential equations.
Masayoshi Nagata (Japanese: 永田 雅宜 Nagata Masayoshi; February 9, 1927 – August 27, 2008) was a Japanese mathematician…Masayoshi Nagata (Japanese: 永田 雅宜 Nagata Masayoshi; February 9, 1927 – August 27, 2008) was a Japanese mathematician, known for his work in the field of commutative algebra. He was celebrated for the construction of a number of intricate counterexamples for some seemingly plausible statements in commutative algebra and algebraic geometry, earning him the nickname "Mr. Counterexample".