Random dynamical systems of polynomial automorphisms on $\Bbb{C}^{2}$
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arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866916765146021888 |
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| author | Sumi, Hiroki |
| author_facet | Sumi, Hiroki |
| contents | This paper deals with random dynamical systems of polynomial automorphisms (complex generalized Hénon maps and their conjugate maps) of $\Bbb{C}^{2}.$ We show that a generic random dynamical system of polynomial automorphisms has ``mean stablity'' on $\Bbb{C}^{2}$. Further, we show that if a system has mean stability, then (1) for each $z\in \Bbb{C}^{2}$ and for almost every sequence $γ=(γ_{n})_{n=1}^{\infty }$ of maps, the maximal Lyapunov exponents of $γ$ at $z$ is negative, (2) there are only finitely many minimal sets of the system, (3) each minimal set is attracting, (4) for each $z\in \Bbb{C}^{2}$ and for almost every sequence $γ$ of maps, the orbit $\{ γ_{n}\cdots γ_{1}(z) \} _{n=1}^{\infty }$ tends to one of the minimal sets of the system, and (5) the transition operator of the system has the spectrum gap property on the space of Hoelder continuous functions with some exponent. Note that none of (1)--(5) can hold for any deterministic iteration dynamical system of a single complex generalized Hénon map. We observe many new phenomena in random dynamical systems of polynomial automorphisms of $\Bbb{C}^{2}$ and observe the mechanisms. We provide new strategies and methods to study higher-dimensional random holomorphic dynamical systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_03577 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Random dynamical systems of polynomial automorphisms on $\Bbb{C}^{2}$ Sumi, Hiroki Dynamical Systems Complex Variables Geometric Topology Probability 37F10, 37H10 This paper deals with random dynamical systems of polynomial automorphisms (complex generalized Hénon maps and their conjugate maps) of $\Bbb{C}^{2}.$ We show that a generic random dynamical system of polynomial automorphisms has ``mean stablity'' on $\Bbb{C}^{2}$. Further, we show that if a system has mean stability, then (1) for each $z\in \Bbb{C}^{2}$ and for almost every sequence $γ=(γ_{n})_{n=1}^{\infty }$ of maps, the maximal Lyapunov exponents of $γ$ at $z$ is negative, (2) there are only finitely many minimal sets of the system, (3) each minimal set is attracting, (4) for each $z\in \Bbb{C}^{2}$ and for almost every sequence $γ$ of maps, the orbit $\{ γ_{n}\cdots γ_{1}(z) \} _{n=1}^{\infty }$ tends to one of the minimal sets of the system, and (5) the transition operator of the system has the spectrum gap property on the space of Hoelder continuous functions with some exponent. Note that none of (1)--(5) can hold for any deterministic iteration dynamical system of a single complex generalized Hénon map. We observe many new phenomena in random dynamical systems of polynomial automorphisms of $\Bbb{C}^{2}$ and observe the mechanisms. We provide new strategies and methods to study higher-dimensional random holomorphic dynamical systems. |
| title | Random dynamical systems of polynomial automorphisms on $\Bbb{C}^{2}$ |
| topic | Dynamical Systems Complex Variables Geometric Topology Probability 37F10, 37H10 |
| url | https://arxiv.org/abs/2408.03577 |