Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series MATH-IHES
Subjects hep-th
Date Wednesday 22 January 2020
Time 14:30
Institute IHES
Seminar Room Amphithéâtre Léon Motchane
Speaker's Last Name Saito
Speaker's First Name Takeshi
Speaker's Email Address
Speaker's Institution Université de Tokyo
Title Graded Quotients of Ramification Groups of a Local Field with Imperfect Residue Field
Abstract Filtration by ramification groups of the Galois group of an extension of local fields with possibly imperfect residue fields is defined by Abbes and the speaker. The graded quotients are abelian groups and annihilated by the residue characteristic in the general case. We discuss the main ingredients of the proof and the construction of injections of the character groups of the graded quotients.
arXiv Preprint Number

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