Home > Articles > Published articles > Galois descent for the gonality of curves |
Date: | 2017 |
Abstract: | We determine conditions for the invariance of the gonality under base extension, depending on the numeric invariants of the curve. More generally, we study the Galois descent of morphisms of curves to Brauer-Severi varieties, and also of rational normal scrolls. |
Grants: | Ministerio de Ciencia e Innovación MTM2013-40680-P Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-114 |
Rights: | Tots els drets reservats. |
Language: | Anglès |
Document: | Article ; recerca ; Versió sotmesa a revisió |
Published in: | Mathematical research letters, 2017 , ISSN 1073-2780 |
Pre-print 20 p, 355.6 KB |