Finite morphisms from curves over Dedekind rings to $P^1$

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dc.creatorChinburg, T.
dc.creatorPappas, G.
dc.creatorTaylor, M. J.
dc.date2009-02-12
dc.date2009-02-20
dc.date.accessioned2026-07-07T12:44:05Z
dc.date.available2026-07-07T12:44:05Z
dc.descriptionA theorem of B. Green states that if A is a Dedekind ring whose fraction field is a local or global field, every normal projective curve over Spec(A) has a finite morphism to P^1_A. We give a different proof of a variant of this result using intersection theory and work of Moret-Bailly.
dc.identifierhttps://arxiv.org/abs/0902.2039
dc.identifierhttp://arxiv.org/abs/0902.2039
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220644
dc.subjectAlgebraic Geometry
dc.subjectNumber Theory
dc.subject14H25 (Primary); 14D10, 14G25 (Secondary)
dc.titleFinite morphisms from curves over Dedekind rings to $P^1$
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