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Bibliographic Details
Main Author: Saito, Takeshi
Format: Preprint
Published: 2020
Subjects:
Online Access:https://arxiv.org/abs/2004.03770
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Table of Contents:
  • We give a characterization of ramification groups of local fields with imperfect residue fields, using those for local fields with perfect residue fields. As an application, we reprove an equality of ramification groups for abelian extensions defined in different ways.