The number of vertices of a Fano polytope

被引:40
|
作者
Casagrande, C [1 ]
机构
[1] Univ Pisa, Dipartimento Matemat L Tonellil, I-56127 Pisa, Italy
关键词
toric varieties; Fano varieties; reflexive polytopes; Fano polytopes;
D O I
10.5802/aif.2175
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let X be a Corenstein, Q-factorial, toric Fano variety. We prove two conjectures on the maximal Picard number of X in terms of its dimension and its pseudo-index, and characterize the boundary cases. Equivalently, we determine the maximal number of vertices of a simplicial reflexive polytope.
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页码:121 / 130
页数:10
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