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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

Let $D\subset \mathbb C^n$ be a bounded domain. A pair of distinct boundary points $\{p,q\}$ of $D$ has the visibility property provided there exist a compact subset $K_{p,q}\subset D$ and open neighborhoods $U_p$ of $p$ and $U_q$ of $q$,…

Complex Variables · Mathematics 2022-06-02 Filippo Bracci , Nikolai Nikolov , Pascal J. Thomas

In this note, we introduce the notion of visible boundary points with respect to Kobayashi distance for domains in complex euclidean space. Following the work of Sarkar, we obtain additive and multiplicative localization results about…

Complex Variables · Mathematics 2024-05-28 Nikolai Nikolov , Ahmed Yekta Ökten , Pascal J. Thomas

In this paper, we extend the notion of visibility relative to the Kobayashi distance to domains in arbitrary complex manifolds. Visibility here refers to a property resembling visibility in the sense of Eberlein--O'Neill for Riemannian…

Complex Variables · Mathematics 2025-07-04 Rumpa Masanta

In this article, we study notions of visibility with respect to the Kobayashi distance for relatively compact complex submanifolds in Euclidean spaces. We present a sufficient condition for a domain to possess the visibility property…

Complex Variables · Mathematics 2023-08-16 Vikramjeet Singh Chandel , Anwoy Maitra , Amar Deep Sarkar

In this article, we prove localization results for the Kobayashi distance of Kobayashi hyperbolic domains with local visibility property in $\mathbb{C}^d$, $d \geq 1$. This is done by proving a localization result for the Kobayashi-Royden…

Complex Variables · Mathematics 2023-01-25 Amar Deep Sarkar

We introduce the notion of locally visible and locally Gromov hyperbolic domains in $\mathbb C^d$. We prove that a bounded domain in $\mathbb C^d$ is locally visible and locally Gromov hyperbolic if and only if it is (globally) visible and…

Complex Variables · Mathematics 2023-11-28 Filippo Bracci , Hervé Gaussier , Nikolai Nikolov , Pascal J. Thomas

We investigate a form of visibility introduced recently by Bharali and Zimmer -- and shown to be possessed by a class of domains called Goldilocks domains. The range of theorems established for these domains stem from this form of…

Complex Variables · Mathematics 2021-06-11 Gautam Bharali , Anwoy Maitra

In the last decade, G. Bharali and A. Zimmer defined a class of domains called Goldilocks domains and they showed that such a domain satisfies a visibility condition with respect to the Kobayashi extremal curves. Inspired by their…

Complex Variables · Mathematics 2024-06-19 Nikolai Nikolov , Ahmed Yekta Ökten

In this paper we introduce a new class of domains in complex Euclidean space, called Goldilocks domains, and study their complex geometry. These domains are defined in terms of a lower bound on how fast the Kobayashi metric grows and an…

Complex Variables · Mathematics 2017-02-06 Gautam Bharali , Andrew Zimmer

We give an explicit lower bound, in terms of the distance from the boundary, for the Kobayashi metric of a certain class of bounded pseudoconvex domains in $\mathbb{C}^n$ with $\mathcal{C}^2$-smooth boundary using the regularity theory for…

Complex Variables · Mathematics 2025-07-02 Annapurna Banik , Gautam Bharali

We show that on convex domains with sufficiently smooth boundary the limit set of non-visible Kobayashi geodesics are contained in a complex face. In two dimensions, this implies the existence of a complex tangential line segment of…

Complex Variables · Mathematics 2024-10-14 Ahmed Yekta Ökten

Recently, the visibility property of Kobayashi (almost) geodesics has been used to provide localizations of the Kobayashi distance. In this note, we provide sufficient growth conditions for the Kobayashi distance to obtain new strong…

Complex Variables · Mathematics 2024-05-28 Nikolai Nikolov , Ahmed Yekta Ökten

The lack of a uniformization theorem in several complex variables leads to a desire to classify all of the simply connected domains. We use established computational methods and a localization technique to generalize a recently-published…

Complex Variables · Mathematics 2026-01-07 Nicholas Newsome

We explore the horofunction compactification of complete hyperbolic domains in complex Euclidean space equipped with the Kobayashi distance. We provide a sufficient condition under which, given a domain $\Omega$ as above, the identity map…

Complex Variables · Mathematics 2025-12-09 Vikramjeet Singh Chandel , Sushil Gorai , Anwoy Maitra , Amar Deep Sarkar

We provide a sufficient condition for the continuous extension of isometries for the Kobayashi distance between bounded convex domains in complex Euclidean spaces having boundaries that are only slightly more regular than $\mathcal{C}^1$.…

Complex Variables · Mathematics 2021-12-28 Anwoy Maitra

In this paper, we give sufficient conditions for Cauchy-completeness of Kobayashi hyperbolic domains in complex manifolds. The first result gives a sufficient condition for completeness for relatively compact domains in several large…

Complex Variables · Mathematics 2025-04-11 Rumpa Masanta

We study local connectedness, local accessibility and finite connectedness at the boundary, in relation to the compactness of the Mazurkiewicz completion of a bounded domain in a metric space. For countably connected planar domains we…

Metric Geometry · Mathematics 2016-04-07 Anders Björn , Jana Björn , Nageswari Shanmugalingam

We give two new elementary proofs of the complete Kobayashi hyperbolicity of the twice-punctured complex plane. We also present an extremely short proof that bounded domains are complete Kobayashi hyperbolic. Our proofs rely neither on the…

Complex Variables · Mathematics 2026-04-22 Bharathi Thiruvengadam , Jaikrishnan Janardhanan

After a study of the Kobayashi metrics on certain scaled domains, we show the stabilities of the infinitesimal Kobayashi metrics and the integrated distances in different scaling processes. As an application, we prove that bounded…

Complex Variables · Mathematics 2022-06-10 Ben Zhang
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