Entropy of Real Rational Surface Automorphisms
Entropy of Real Rational Surface Automorphisms
复制标题
实有理面自同构的熵
DOI:
10.1080/10586458.2018.1516581
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发表时间:
2021
影响因子:
0.5
通讯作者:
Kim, Kyounghee
中科院分区:
文献类型:
--
作者:
Diller, Jeffrey;Kim, Kyounghee
We compare real and complex dynamics for automorphisms of rational surfaces that are obtained by lifting some quadratic birational maps of the plane. In particular, we show how to exploit the existence of an invariant cubic curve to understand how the real part of an automorphism acts on homology. We apply this understanding to give examples where the entropy of the full (complex) automorphism is the same as its real restriction. Conversely and by different methods, we exhibit different examples where the entropy is strictly decreased by restricting to the real part of the surface. Finally, we give an example of a rational surface automorphism with positive entropy whose periodic cycles are all real.
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DOI:
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发表时间:
2011
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影响因子:
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2004
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2001
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2002
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1992
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