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The local index and the Swan conductor

Published online by Cambridge University Press:  04 December 2007

TSUZUKI NOBUO
Affiliation:
Department of Mathematics, Faculty of Science, Hiroshima University, Higashi-Hiroshima, 739, Japan; e-mail: [email protected]
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Abstract

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In this paper we study local indices of systems of p-adic linearly differential equations which arise from p-adic representations of the absolute Galois group of local field of characteristic p with finite monodromy. We show the induction formula of the local index of p-adic differential equations and prove the equality between the local index of differential equations and the Swan conductor of p-adic Galois representations by inductive methods.

Type
Research Article
Copyright
© 1998 Kluwer Academic Publishers