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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…

复变函数 · 数学 2023-01-25 Amar Deep Sarkar

We study the higher order Kobayashi pseudometric introduced by Yu. We first obtain estimates of this pseudometric in a special pseudoconvex domain in $\C^3$. We then study the structure of the higher order extremal discs and their…

复变函数 · 数学 2022-10-25 Seok Ban , Florian Bertrand , Amir Jaber Chehayeb , Adam Salha , Walid Tabbara

We construct an unbounded strictly pseudoconvex Kobayashi hyperbolic and complete domain in $\mathbb{C}^2$, which also possesses complete Bergman metric, but has no nonconstant bounded holomorphic functions.

复变函数 · 数学 2020-03-17 Nikolay Shcherbina , Liyou Zhang

We introduce an analog of the Kobayashi-Royden metric on a Riemannian manifold and study its basic properties.

复变函数 · 数学 2023-07-13 Hervé Gaussier , Alexandre Sukhov

With the aid of the technique of variation of domains developed in Memoirs of Amer. Math. Soc., Vol. 209, No. 984, 2011, we characterize the pseudoconvex domains with smooth boundary in Hopf surfaces which are not Stein.

复变函数 · 数学 2012-05-16 Norman Levenberg , Hiroshi Yamaguchi

We show that a smooth bounded domain in $\mathbb{C}^n$ admitting partial pseudoconvex exhaustion remains partial pseudoconvex. The main ingredient of the proof is based on a new characterization of hyper-$q$-convex domains. Furthermore, we…

复变函数 · 数学 2025-04-29 Jinjin Hu , Xujun Zhang

We study proper holomorphic mappings between strictly pseudoconvex domains with low boundary regularity.

复变函数 · 数学 2021-08-11 Alexandre Sukhov

We give a necessary complex geometric condition for a bounded smooth convex domain in Cn, endowed with the Kobayashi distance, to be Gromov hyperbolic. More precisely, we prove that if a smooth bounded convex domain contains an analytic…

复变函数 · 数学 2013-12-03 Hervé Gaussier , Harish Seshadri

In this paper, we investigate the asymptotic behavior of the Bergman kernel at the boundary for some pseudoconvex model domains. This behavior can be described by the geometrical information of the Newton polyhedron of the defining function…

复变函数 · 数学 2023-08-17 Joe Kamimoto

Following M.Abate and A.Saracco's work on strongly pseudoconvex domains in $\mathbb{C}^n$, we characterize Carleson measures of $A^2(D)$ in bounded convex domains with smooth boundary of finite type. We also give examples of Carleson…

复变函数 · 数学 2020-12-16 Haichou Li , Jinsong Liu , Hongyu Wang

We give estimates for the squeezing function on strictly pseudoconvex domains, and derive some sharp estimates for the Caratheodory, Sibony and Azukawa metric near their boundaries.

复变函数 · 数学 2014-11-17 John Erik Fornaess , Erlend Fornaess Wold

In this paper we study the global geometry of the Kobayashi metric on domains in complex Euclidean space. We are particularly interested in developing necessary and sufficient conditions for the Kobayashi metric to be Gromov hyperbolic. For…

复变函数 · 数学 2016-02-04 Andrew M. Zimmer

The Ricci curvature of the Bergman metric on a bounded domain $D\subset \mathbb{C}^n$ is strictly bounded above by $n+1$ and consequently $\log (K_D^{n+1}g_{B,D})$, where $K_D$ is the Bergman kernel for $D$ on the diagonal and $g_{B, D}$ is…

复变函数 · 数学 2022-03-15 Diganta Borah , Debaprasanna Kar

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 $q$,…

复变函数 · 数学 2022-06-02 Filippo Bracci , Nikolai Nikolov , Pascal J. Thomas

In this note, we discuss the following problem: Given a smoothly bounded strongly pseudoconvex domain $D$ in $\mathbb{C}^n$, can we guarantee the existence of geodesics for the Kobayashi--Fuks metric which ``spiral around" in the interior…

复变函数 · 数学 2023-04-19 Debaprasanna Kar

The central purpose of the present paper is to study boundary behavior of squeezing functions on bounded domains. We prove that the squeezing function of a strongly pseudoconvex domain tends to 1 near the boundary. In fact, such an estimate…

复变函数 · 数学 2013-02-22 Fusheng Deng , Qi'an Guan , Liyou Zhang

In this note, we use scaling principle to study the boundary behaviour of the span metric and its higher-order curvatures on finitely connected Jordan planar domains. A localization of this metric near boundary points of finitely connected…

复变函数 · 数学 2020-12-01 Amar Deep Sarkar

We show that two smoothly bounded, strongly pseudoconvex domains which are diffeomorphic may be smoothly deformed into each other, with all intermediate domains being strongly pseudoconvex. This result relates to Lempert's ideas about…

复变函数 · 数学 2010-04-22 Steven G. Krantz

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…

复变函数 · 数学 2017-02-06 Gautam Bharali , Andrew Zimmer

In this paper we establish a gap theorem for the complex geometry of smoothly bounded convex domains which informally says that if the complex geometry near the boundary is close to the complex geometry of the unit ball, then the domain…

复变函数 · 数学 2017-06-23 Andrew Zimmer