Work

Global descent obstructions for varieties

Year: 2011

Type: article

Abstract: We show how to transport descent obstructions from the category of covers to the category of varieties.We deduce examples of curves having Q as field of moduli, that admit models over every completion of Q, but have no model over Q.

Source: Algebra & Number Theory

DOI: 10.2140/ant.2011.5.431

Authors: Jean-Marc Couveignes, Emmanuel Hallouin

Institutions: Centre National de la Recherche Scientifique, Institut de Mathématiques de Bordeaux, Université Bordeaux-I, Université Toulouse - Jean Jaurès

Language: English

Topic: Algebraic Geometry and Number Theory

Subfield: Geometry and Topology

Field: Mathematics

Domain: Physical Sciences

Open Access status: bronze

Funder: Agence Nationale de la Recherche

Award: Algorithmique des fonctions L

OpenAlex ID: W2048145223

FWCI:

Cites: 11

Cited by: 1

Related to: