2 papers
math.NT2013
A refinement of the Artin conductor and the base change conductor
Ching-Li Chai, Christian Kappen
For a local field K with positive residue characteristic p, we introduce, in the first part of this paper, a refinement bAr_K of the classical Artin distribution Ar_K. It takes val…
math.AG2011
Néron models of formally finite type
Christian Kappen
We introduce Néron models of formally finite type for uniformly rigid spaces, and we prove that they generalize the notion of formal Néron models for rigid-analytic groups as it wa…