Rational Surface Automorphisms with Positive Entropy

Rational Surface Automorphisms with Positive Entropy
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DOI:
10.5802/aif.3014
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发表时间:
2010-09
期刊:
arXiv: Dynamical Systems
影响因子:
--
通讯作者:
Takato Uehara
Takato Uehara
中科院分区:
其他
文献类型:
--
作者:
Takato Uehara

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本文的目的是利用轨道数据的概念构造许多具有正熵的有理表面自同构的例子。我们证明,如果轨道数据满足一些温和的条件,则存在实现轨道数据的自同构。应用这个结果,我们用 Weyl 群来描述有理面自同构的熵值集合。
The aim of this paper is to construct many examples of rational surface automorphisms with positive entropy by means of the concept of orbit data. We show that if an orbit data satisfies some mild conditions, then there exists an automorphism realizing the orbit data. Applying this result, we describe the set of entropy values of the rational surface automorphisms in terms of Weyl groups.