Kato's conductor and generic residual perfection

Details Kato's conductor and generic residual perfection Kato's conductor and generic residual perfection

2001-12-29

arxiv.org/abs/math/0112306v2

Mathematics

Number Theory

15 pages. Typos corrected

Scientific paper

Let A be a complete discrete valuation ring with possibly imperfect residue field, and let $\chi$ be a one-dimensional Galois representation over A. I show that the non-logarithmic variant of Kato's Swan conductor is the same for $\chi$ and the pullback of $\chi$ to the generic residual perfection of A. This implies the conductor from "Conductors and the moduli of residual perfection" (math.NT/0112305) extends the non-logarithmic variant of Kato's.

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