Cox rings of cubic surfaces and Fano threefolds

被引:8
|
作者
Derenthal, Ulrich [2 ]
Hausen, Juergen [3 ]
Heim, Armand [3 ]
Keicher, Simon [3 ]
Laface, Antonio [1 ,4 ]
机构
[1] Univ Concepcion, Dept Matemat, Concepcion, Chile
[2] Leibniz Univ Hannover, Inst Algebra Zahlentheorie & Diskrete Math, D-30167 Hannover, Germany
[3] Univ Tubingen, Math Inst, D-72076 Tubingen, Germany
[4] Univ Concepcion, Dept Matemat, Concepcion, Chile
关键词
Cox rings; Cubic surfaces; Fano varieties; DEL PEZZO SURFACES; RATIONAL-POINTS; MANINS CONJECTURE; BOUNDED HEIGHT; UNIVERSAL TORSORS; NUMBER; CLASSIFICATION;
D O I
10.1016/j.jalgebra.2015.04.028
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We determine the Cox rings of the minimal resolutions of cubic surfaces with at most rational double points, of blow-ups of the projective plane at non-general configurations of six points and of three dimensional smooth Fano varieties of Picard numbers one and two. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码:228 / 276
页数:49
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