Tetsuji Miwa


Tetsuji Miwa is a Japanese mathematician, specializing in mathematical physics.
Miwa received his undergraduate degree in 1971 and his master's degree in 1973 from the University of Tokyo. He studied microlocal analysis and hyperfunctions in the early 1970s under the influence of Mikio Satō and Masaki Kashiwara. In 1973 Miwa moved to RIMS at Kyoto University and joined the mathematicians of the Satō school. He received his PhD in 1981 from Kyoto University. There he was a research assistant from 1973 to 1984, an associate professor from 1984 to 1993, and a full professor from 1993, retiring as professor emeritus in 2013. He held a joint appointment as a professor at RIMS.
With Michio Satō and Michio Jimbō he discovered in the 1970s a connection with monodromic-derived deformations of linear differential equations and correlation functions in the Ising model. With Jimbō he then examined general isomonodromic deformations of linear differential equations.
Miwa studied, with Jimbō and Etsuro Date, the role of affine Lie algebras in soliton equations and, with Jimbō, the role of quantum groups in exactly solvable grid models of statistical mechanics.
Miwa and Michio Jimbō were jointly awarded in 1987 the autumn prize of the Mathematical Society of Japan and in 1999 the Asahi Prize.
In 1986 he was an Invited Speaker with talk Integrable lattice models and branching coefficients at the International Congress of Mathematicians in Berkeley. In 1998 he gave a plenary lecture Solvable Lattice Models and Representation Theory of Quantum Affine Algebras at the ICM in Berlin.
In 2013 Miwa was awarded, jointly with Michio Jimbō, the Dannie Heineman Prize for Mathematical Physics for "profound developments in integrable systems and their correlation functions in statistical mechanics and quantum field theory, making use of quantum groups, algebraic analysis and deformation theory."

Selected publications