Boundaries of the bounded hyperbolic components of polynomials

Fuente: arXiv
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Main Authors: Gao, Yan, Wang, Xiaoguang, Wang, Yueyang
Format: Preprint
Published: 2025
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author Gao, Yan
Wang, Xiaoguang
Wang, Yueyang
author_facet Gao, Yan
Wang, Xiaoguang
Wang, Yueyang
contents In this paper, we study the local connectivity and Hausdorff dimension for the boundaries of the bounded hyperbolic components in the space $\mathcal P_d$ of polynomials of degree $d\geq 3$. It is shown that for any non disjoint-type bounded hyperbolic component $\mathcal H\subset \mathcal P_d$, the locally connected part of $\partial\mathcal H$, along each regular boundary strata, has full Hausdorff dimension $2d-2$. An essential innovation in our argument involves analyzing how the canonical parameterization of the hyperbolic component--realized via Blaschke products over a mapping scheme--extends to the boundary. This framework allows us to study three key aspects of $\partial \mathcal H$: the local connectivity structure, the perturbation behavior, and the local Hausdorff dimensions.
format Preprint
id arxiv_https___arxiv_org_abs_2504_16496
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Boundaries of the bounded hyperbolic components of polynomials
Gao, Yan
Wang, Xiaoguang
Wang, Yueyang
Dynamical Systems
Complex Variables
Primary 37F46, Secondary 37F10, 37F15, 37F44
In this paper, we study the local connectivity and Hausdorff dimension for the boundaries of the bounded hyperbolic components in the space $\mathcal P_d$ of polynomials of degree $d\geq 3$. It is shown that for any non disjoint-type bounded hyperbolic component $\mathcal H\subset \mathcal P_d$, the locally connected part of $\partial\mathcal H$, along each regular boundary strata, has full Hausdorff dimension $2d-2$. An essential innovation in our argument involves analyzing how the canonical parameterization of the hyperbolic component--realized via Blaschke products over a mapping scheme--extends to the boundary. This framework allows us to study three key aspects of $\partial \mathcal H$: the local connectivity structure, the perturbation behavior, and the local Hausdorff dimensions.
title Boundaries of the bounded hyperbolic components of polynomials
topic Dynamical Systems
Complex Variables
Primary 37F46, Secondary 37F10, 37F15, 37F44
url https://arxiv.org/abs/2504.16496