Automorphisms of elliptic K3 surfaces and Salem numbers of maximal degree

被引：9
|
作者：
Esnault, Helene [1 ]
Oguiso, Keiji [2 ,3 ]
Yu, Xun [4 ]
机构：
[1] Free Univ Berlin, Arnimallee 3, D-14195 Berlin, Germany
[2] Univ Tokyo, Math Sci, Meguro Komaba 3-8-1, Tokyo, Japan
[3] Korea Inst Adv Study, Hoegiro 87, Seoul 133722, South Korea
[4] POSTECH, Ctr Geometry & Applicat, Pohang 790784, South Korea
来源：
ALGEBRAIC GEOMETRY | 2016年 / 3卷 / 04期
关键词：
K3; surfaces; automorphisms; mixed characteristics; Salem numbers; ENTROPY;
D O I：
10.14231/AG-2016-023
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Using elliptic structures, we show that any supersingular K3 surface of Artin invariant 1 in characteristic p not equal 5, 7, 13 has an automorphism the entropy of which is the natural logarithm of a Salem number of degree 22.
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页码：496 / 507
页数：12
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