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Arithmetic 𝒟-modules on the unit disk. With an appendix by Shigeki Matsuda

Published online by Cambridge University Press:  09 November 2011

Richard Crew*
Affiliation:
Department of Mathematics, The University of Florida, Gainesville, FL 32601, USA (email: rcrew@ufl.edu)
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Abstract

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Let 𝒱 be a complete discrete valuation ring of mixed characteristic. We classify arithmetic 𝒟-modules on Spf(𝒱[[t]]) up to certain kind of ‘analytic isomorphism’. This result is used to construct canonical extensions (in the sense of Katz and Gabber) for objects of this category.

Information

Type
Research Article
Copyright
Copyright © Foundation Compositio Mathematica 2011