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| DOI | 10.1016/J.JALGEBRA.2009.04.020 | ||||
| Año | 2009 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We introduce a complex of vector spaces whose homology determines the Picard-graded Betti numbers of the Cox ring of a Mori Dream Space. As an application of this construction we prove a conjecture of Batyrev and Popov which describes presentations for the Cox rings of Del Pezzo surfaces of degree at least two. (C) 2009 Elsevier Inc. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Laface, Antonio | Hombre |
Universidad de Concepción - Chile
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| 2 | Velasco, Mauricio | Hombre |
UNIV CALIF BERKELEY - Estados Unidos
University of California, Berkeley - Estados Unidos |
| Fuente |
|---|
| National Science Foundation |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| NSF |
| Fondo Nacional de Desarrollo CientÃfico, Tecnológico y de Innovación Tecnológica |
| Proyecto FONDECYT Regular 2008 |
| Directorate for Mathematical and Physical Sciences |
| Agradecimiento |
|---|
| We wish to thank Mike Stillman for helpful conversations during the preparation of this work. We also like to thank the anonymous reviewer for several suggestions which led to improvements in the presentation of the material. A. Laface was partially supported by Proyecto FONDECYT Regular 2008, No. proyecto 1080403. M. Velasco was partially supported by NSF grant . |
| We wish to thank Mike Stillman for helpful conversations during the preparation of this work. We also like to thank the anonymous reviewer for several suggestions which led to improvements in the presentation of the material. A. Laface was partially supported by Proyecto FONDECYT Regular 2008, No. proyecto 1080403. M. Velasco was partially supported by NSF grant DMS-0802851. |