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- Forschungszentrum JülichDE94 papers
- Centre National de la Recherche ScientifiqueFR87 papers
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4 papers · 2 filters
Chai's conjecture for semiabelian Jacobians
Otto Overkamp
We prove Chai's conjecture on the additivity of the base change conductor of semiabelian varieties in the case of Jacobians of proper curves. This includes the first infinite famil…
On regular but non-smooth integral curves
Cesar Hilario, Karl-Otto Stöhr
Let be a regular geometrically integral curve over an imperfect field and assume that it admits a non-smooth point which -- seen as a prime of the separable…
Pinching Azumaya algebras
Johannes Fischer
We show, that for a morphism of schemes from X to Y, that is a finite modification in finitely many closed points, a cohomological Brauer class on Y is represented by an Azumaya al…
Motivic Vitushkin invariants
Georges Comte, Immanuel Halupczok
We prove the nonarchimedean counterpart of a real inequality involving the metric entropy and measure geometric invariants , called Vitushkin's variations. Our inequality is b…