Kenji Fukaya (Japanese: 深谷賢治, ''Fukaya Kenji'') is a Japanese mathematician known for his work in
symplectic geometry and
Riemannian geometry
Riemannian geometry is the branch of differential geometry that studies Riemannian manifolds, smooth manifolds with a ''Riemannian metric'', i.e. with an inner product on the tangent space at each point that varies smoothly from point to point ...
. His many fundamental contributions to mathematics include the discovery of the
Fukaya category. He is a permanent faculty member at the
Simons Center for Geometry and Physics and a professor of mathematics at
Stony Brook University.
Biography
Fukaya was both an undergraduate and a graduate student in mathematics at the
University of Tokyo
, abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project b ...
, receiving his BA in 1981, and his PhD in 1986. In 1987, he joined the University of Tokyo faculty as an associate professor. He then moved to
Kyoto University as a full professor in 1994. In 2013, he then moved to the United States in order to join the faculty of the
Simons Center for Geometry and Physics at Stony Brook.
The
Fukaya category, meaning the
category of whose objects are Lagrangian submanifolds of a given symplectic manifold, is named after him, and is intimately related to
Floer homology
In mathematics, Floer homology is a tool for studying symplectic geometry and low-dimensional topology. Floer homology is a novel invariant that arises as an infinite-dimensional analogue of finite-dimensional Morse homology. Andreas Floer in ...
. Other contributions to symplectic geometry include his proof (with
Kaoru Ono) of a weak version of the Arnold conjecture and a construction of general
Gromov-Witten invariants. His many other mathematical contributions include important theorems in Riemannian geometry and work on physics-related topics such as gauge theory and mirror symmetry.
Fukaya was awarded the
Japanese Mathematical Society's Geometry Prize in 1989 and
Spring Prize in 1994. He also received the
Inoue Prize
Inoue (kanji: , historical kana orthography: ''Winouhe'') is the 16th most common Japanese surname. Historically, it was also romanized as Inouye, and many Japanese-descended people outside of Japan still retain this spelling. A less common varia ...
in 2002, the
Japan Academy Prize in 2003, the
Asahi Prize
The , established in 1929, is an award presented by the Japanese newspaper ''Asahi Shimbun'' and Asahi Shimbun Foundation to honor individuals and groups that have made outstanding accomplishments in the fields of arts and academics and have greatl ...
in 2009, and the
Fujihara Award in 2012. He has served on the governing board of the Japanese Mathematical Society and on the Mathematical Committee of the Science Council of Japan.
Fukaya was an invited speaker at the 1990 International Congress of Mathematicians in Kyoto, where he gave a talk entitled, ''Collapsing Riemannian Manifolds and its Applications.''
Selected publications
*
*with T. Yamaguchi ''The fundamental group of almost non negatively curved manifolds'',
Annals of Mathematics
The ''Annals of Mathematics'' is a mathematical journal published every two months by Princeton University and the Institute for Advanced Study.
History
The journal was established as ''The Analyst'' in 1874 and with Joel E. Hendricks as the ...
136, 1992, pp. 253 – 333
*
*with Kaoru Ono ''Arnold conjecture and Gromov-Witten invariant'', Topology, 38, 1999, pp. 933–1048
*with Y. Oh, H. Ohta, K. Ono ''Lagrangian intersection Floer theory- anomaly and obstruction'', 2007
*''Morse homotopy,
-Category, and Floer homologies'', in H. J. Kim (editor) ''Proceedings of Workshop on Geometry and Topology'', Seoul National University, 1994, pp. 1 – 102
*''Floer homology and mirror symmetry. II. Minimal surfaces, geometric analysis and symplectic geometry'', Adv. Stud. Pure Math. 34, Math. Soc. Japan, Tokyo, 2002, pp. 31–127
*''Multivalued Morse theory, asymptotic analysis and mirror symmetry'' in ''Graphs and patterns in mathematics and theoretical physics'', Proc. Sympos.Pure Math. 73, American Mathematical Society, 2005, pp. 205–278
*Editor: ''Topology, Geometry and Field Theory'', World Scientific 1994
*Editor: ''Symplectic geometry and mirror symmetry'' (Korea Institute for Advanced Study conference, Seoul 2000), World Scientific 2001
*''Gauge Theory and Topology'' (in Japanese), Springer Verlag, Tokyo 1995
*''Symplectic Geometry'' (in Japanese), Iwanami Shoten 1999
*
References
External links
*
*
{{DEFAULTSORT:Fukaya, Kenji
1959 births
Living people
People from Kanagawa Prefecture
20th-century Japanese mathematicians
21st-century Japanese mathematicians
University of Tokyo alumni
Kyoto University faculty
Stony Brook University faculty
Geometers