COLLOQUIA PATAVINA

Short Bio

Takeshi Saito, professor of mathematics at the University of Tokyo, is an expert in arithmetic geometry, known especially for his fundamental contributions to ramification theory of local fields, étale cohomology, and Galois representations.

Takeshi Saito studied at the University of Tokyo under Kazuya Kato and received his doctorate in 1989. He began his career at the University of Tokyo as an assistant in 1987, was promoted to lecturer in 1990, assistant professor in 1992, and full professor in 1999.

Among his most influential works are a series of articles with Kazuya Kato on the Bloch conductor formula and ramification theory of varieties over perfect or local fields and a series of articles with Ahmed Abbes on ramification groups of local fields. His research on ramification theory culminated in 2017 with a milestone article establishing an algebraic theory of characteristic cycles in positive characteristic.

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