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Related papers: Unbounded H\"{o}lder domains

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Let ${H^p}\left( \mathbb{D} \right)$ be the Hardy space of all holomorphic functions on the unit disk $\mathbb{D}$ with exponent $p>0$. If $D\ne \mathbb{C}$ is a simply connected domain and $f$ is the Riemann mapping from $\mathbb{D}$ onto…

Complex Variables · Mathematics 2022-01-31 Christina Karafyllia

In this paper we study the geometry and the topology of unbounded domains in the Hyperbolic Space $\mathbb{H} ^n$ supporting a bounded positive solution to an overdetermined elliptic problem. Under suitable conditions on the elliptic…

Analysis of PDEs · Mathematics 2015-11-10 José M. Espinar , Alberto Farina , Laurent Mazet

We investigate unbounded domains in hierarchically hyperbolic groups and obtain constraints on the possible hierarchical structures. Using these insights, we characterise the structures of virtually abelian HHGs and show that the class of…

Group Theory · Mathematics 2023-03-20 Harry Petyt , Davide Spriano

This work studies the Hardy number for the class of hyperbolic planar domains satisfying Abel's inclusion property, which are usually known as Koenigs domains. More explicitly, we prove that for all regular domains in the above class, the…

Complex Variables · Mathematics 2024-06-17 Manuel D. Contreras , Francisco J. Cruz-Zamorano , Maria Kourou , Luis Rodríguez-Piazza

We extend the concept of a finite dimensional {\it holomorphic homogeneous regular} (HHR) domain and some of its properties to the infinite dimensional setting. In particular, we show that infinite dimensional HHR domains are domains of…

Complex Variables · Mathematics 2020-11-26 Cho-Ho Chu , Kang-Tae Kim , Sejun Kim

In this note, we prove the boundary H\"{o}lder regularity for the infinity Laplace equation under a proper geometric condition. This geometric condition is quite general, and the exterior cone condition, the Reifenberg flat domains, and the…

Analysis of PDEs · Mathematics 2019-01-21 Leyun Wu , Yuanyuan Lian , Kai Zhang

The article contains the results of the author's recent investigations of rigidity problems of domains in Euclidean spaces carried out for developing a new approach to the classical problem of the unique determination of bounded closed…

Metric Geometry · Mathematics 2016-10-05 Anatoly P. Kopylov

We prove the existence of nontrivial unbounded domains $\O$ in the Euclidean space $\R^d$ for which the Dirichlet eigenvalue problem for the Laplacian on $\Omega$ admits sign-changing eigenfunctions with constant Neumann values on $\partial…

Analysis of PDEs · Mathematics 2023-07-18 Ignace Aristide Minlend

In this paper, we construct unbounded domains in $\C^n$ ($n\geq 2$), whose Bergman spaces are nontrivial and finite-dimensional. We further show that the Bergman metrics on these domains have positive constant sectional curvature equal to…

Complex Variables · Mathematics 2026-02-18 Chika Hayashida , Joe Kamimoto

We set a framework for the study of Hardy spaces inherited by complements of analytic hypersurfaces in domains with a prior Hardy space structure. The inherited structure is a filtration, various aspects of which are studied in specific…

Complex Variables · Mathematics 2024-05-06 Anne-Katrin Gallagher , Purvi Gupta , Loredana Lanzani , Liz Vivas

In this paper, we explore the geometric properties of unbounded extremal domains for the $p$-Laplacian operator in both Euclidean and hyperbolic spaces. Assuming that the nonlinearity grows at least as the nonlinearity of the eigenvalue…

Analysis of PDEs · Mathematics 2023-11-14 Francisco G. Carvalho , Marcos P. Cavalcante

It is well known that a hyperbolic domain in the complex plane has uniformly perfect boundary precisely when the product of its hyperbolic density and the distance function to its boundary has a positive lower bound. We extend this…

Complex Variables · Mathematics 2015-03-06 Toshiyuki Sugawa

In this paper we study when the Kobayashi distance on a Kobayashi hyperbolic domain has certain visibility properties, with a focus on unbounded domains. "Visibility" in this context is reminiscent of visibility, seen in negatively curved…

Complex Variables · Mathematics 2023-03-07 Gautam Bharali , Andrew Zimmer

We study the boundaries of non-univalent simply connected Baker domains of transcendental maps (both entire and meromorphic), of hyperbolic and simply parabolic type. We prove non-ergodicity and non-recurrence for the boundary map, and…

Dynamical Systems · Mathematics 2024-10-28 Anna Jové

We show that every bounded pseudoconvex domain with H\"older boundary in $\mathbb C^n$ is hyperconvex.

Complex Variables · Mathematics 2021-02-26 Bo-Yong Chen

We define metrics in space that are natural counterparts of the hyperbolic metric in plane domains, using the characterization of the hyperbolic metric due to Beardon and Pommerenke. We obtain inequalities for these metrics under…

Complex Variables · Mathematics 2026-05-27 Aimo Hinkkanen , Poranee Khayo

We consider the inverse problem of determining the time independent scalar potential of the dynamic Schr\"odinger equation in an infinite cylindrical domain from one boundary Neumann observation of the solution. We prove H\"older stability…

Analysis of PDEs · Mathematics 2013-11-22 Yavar Kian , Quang Sang Phan , Eric Soccorsi

In thius paper we introduce the Hardy and Bergman spaces on hyperconvex domains relative to a acontinuous exhaustion function. We prove their basic properties and study their composition operators induced by holomorphic mappings between…

Complex Variables · Mathematics 2007-05-23 Evgeny A. Poletsky , Michael I. Stessin

Let $G$ be a bounded open subset in the complex plane and let $H^{2}(G)$ denote the Hardy space on $G$. We call a bounded simply connected domain $W$ perfectly connected if the boundary value function of the inverse of the Riemann map from…

Functional Analysis · Mathematics 2015-06-16 Zhijian Qiu

We prove that, under a mild assumption, any metrizable compactification of a one-ended proper geodesic metric space is connected. As a consequence, we deduce that the boundary, introduced by Durham--Hagen--Sisto, of a one-ended…

Group Theory · Mathematics 2025-09-03 Ravi Tomar
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