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Status |
Confirmed |
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Seminar Series |
MATH-IHES |
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Subjects |
hep-th |
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Date |
Wednesday 22 January 2020 |
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Time |
14:30 |
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Institute |
IHES |
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Seminar Room |
Amphithéâtre Léon Motchane |
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Speaker's Last Name |
Saito |
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Speaker's First Name |
Takeshi |
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Speaker's Email Address |
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Speaker's Institution |
Université de Tokyo |
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Title |
Graded Quotients of Ramification Groups of a Local Field with Imperfect Residue Field |
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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. |
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