21st Century COE Program : Mathematics of Nonlinear Structure via Singularity

Shin Hattori : The 15th COE Lecture Series

Ramification theory and finite flat Galois representations

This is a survey on the classical ramification theory of local fields and its generalization to the case of imperfect residue field, due to A. Abbes and T. Saito, including some application to finite flat representations of local fields.

21st Century COE Program : Mathematics of Nonlinear Structure via Singularity