A ug 2 00 5 The p - adic local monodromy theorem for fake annuli , I : The monomial case
نویسنده
چکیده
We establish a generalization of the p-adic local monodromy theorem (of André, Mebkhout, and the author) in which differential equations on rigid analytic annuli are replaced by differential equations on so-called “fake annuli”. The latter correspond loosely to completions of a Laurent polynomial ring with respect to a valuation, which in this paper is restricted to be of monomial form; we defer the nonmonomial case to a subsequent paper. The result represents a step towards a higher-dimensional version of the p-adic local monodromy theorem (the “problem of semistable reduction”); it can also be viewed as a slightly novel presentation of the original p-adic local monodromy theorem.
منابع مشابه
The p-adic local monodromy theorem for fake annuli
We establish a generalization of the p-adic local monodromy theorem (of André, Mebkhout, and the author) in which differential equations on rigid analytic annuli are replaced by differential equations on so-called “fake annuli”. The latter correspond loosely to completions of a Laurent polynomial ring with respect to a monomial valuation. The result represents a step towards a higher-dimensiona...
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We define a numerical invariant, the differential Swan conductor, for certain differential modules on a rigid analytic annulus over a p-adic field. This gives a definition of a conductor for p-adic Galois representations with finite local monodromy over an equal characteristic discretely valued field, which agrees with the usual Swan conductor when the residue field is perfect. We also establis...
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