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Yujiro Kawamata

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Covid-19
Nationality  Japanese
Fields  Mathematics
Alma mater  University of Tokyo

Name  Yujiro Kawamata
Institutions  University of Tokyo
Institution  University of Tokyo
Yujiro Kawamata facultymsutokyoacjpkawamatalabimagesphot
Doctoral students  Keiji Oguiso Yukinobu Toda
Known for  Kawamata-Viehweg vanishing theorem Kawamata log terminal (klt) singularities

Yujiro Kawamata (Univ. of Tokyo) / Semi-orthogonal decomposition of a derived category...


Yujiro Kawamata (born 1952) is a Japanese mathematician working in algebraic geometry.

Contents

Yujiro Kawamata Details Yujiro Kawamata

Career

Yujiro Kawamata Details for Yujiro Kawamata

Kawamata completed the master's course at the University of Tokyo in 1977. He was an Assistant at the University of Mannheim from 1977 to 1979 and a Miller Fellow at the University of California, Berkeley from 1981 to 1983. Kawamata is now a professor at the University of Tokyo. He won the Mathematical Society of Japan Autumn award (1988) and the Japan Academy of Sciences award (1990) for his work in algebraic geometry.

Research

Yujiro Kawamata Details Yujiro Kawamata

Kawamata was among the leaders in the dramatic development of the minimal model program in the 1980s. The program aims to show that every algebraic variety is birational to one of an especially simple type: either a minimal model or a Fano fiber space. The Kawamata-Viehweg vanishing theorem, strengthening the Kodaira vanishing theorem, is a crucial tool. Building on that, Kawamata proved the basepoint-free theorem. The cone theorem and contraction theorem, central results in the theory, are the result of a joint effort by Kawamata, Kollár, Mori, Reid, and Shokurov.

Yujiro Kawamata Yujiro Kawamata

After Mori proved the existence of minimal models in dimension 3 in 1988, Kawamata and Miyaoka clarified the structure of minimal models by proving the abundance conjecture in dimension 3. Kawamata used analytic methods in Hodge theory to prove the Iitaka conjecture over a base of dimension 1.

More recently, a series of papers by Kawamata related the derived category of coherent sheaves on an algebraic variety to geometric properties in the spirit of minimal model theory.

References

Yujiro Kawamata Wikipedia


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