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相关论文: On the comparison of the Fridman invariant and the…

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The Fridman invariant, which is a biholomorphic invariant on Kobayashi hyperbolic manifolds, can be seen as the dual of the much studied squeezing function. We compare this pair of invariants by showing that they are both equally capable of…

复变函数 · 数学 2018-08-06 Prachi Mahajan , Kaushal Verma

For a domain $D \subset \mathbb C^n$, the relationship between the squeezing function and the Fridman invariants is clarified. Furthermore, localization properties of these functions are obtained. As applications, some known results…

复变函数 · 数学 2021-01-29 Nikolai Nikolov , Kaushal Verma

In this paper, we introduce the notion of generalized squeezing function and study the basic properties of generalized squeezing functions and Fridman invariants. We also study the comparison of these two invariants, in terms of the…

复变函数 · 数学 2021-11-10 Feng Rong , Shichao Yang

We give a class of domains for which Fridman invariant and injectivity radius function coincide with respect to Carath\'eodory metric. We give explicit expressions of the squeezing functions for these domains and investigate some of their…

复变函数 · 数学 2024-06-17 Akhil Kumar , Sanjay Kumar Pant

The main purpose of this paper is to study the generalized squeezing functions and Fridman invariants of some special domains. As applications, we give the precise form of generalized squeezing functions and Fridman invariants of various…

复变函数 · 数学 2021-11-19 Feng Rong , Shichao Yang

We show that if a bounded domain $\Omega$ is exhausted by a bounded strictly pseudoconvex domain $D$ with $C^2$ boundary, then $\Omega$ is holomorphically equivalent to $D$ or the unit ball, and show that a bounded domain has to be…

复变函数 · 数学 2018-11-06 Fusheng Deng , Xujun Zhang

Let $\Omega$ be a domain in $\mathbb C^n$. Suppose that $\partial\Omega$ is smooth pseudoconvex of D'Angelo finite type near a boundary point $\xi_0\in \partial\Omega$ and the Levi form has corank at most $1$ at $\xi_0$. Our goal is to show…

复变函数 · 数学 2019-07-11 Van Thu Ninh , Anh Duc Mai , Thi Lan Huong Nguyen , Hyeseon Kim

We present a new application of the squeezing function $s_D$, using which one may detect when a given bounded pseudoconvex domain $D\varsubsetneq \mathbb{C}^n$, $n\geq 2$, is not biholomorphic to any product domain. One of the ingredients…

复变函数 · 数学 2023-11-07 Gautam Bharali , Diganta Borah , Sushil Gorai

We study bounded domains with certain smoothness conditions and the properties of their squeezing functions in order to prove that the domains are biholomorphic to the ball.

复变函数 · 数学 2016-04-19 Klas Diederich , John Erik Fornæss , Erlend Fornæss Wold

We introduce the notion of squeezing function corresponding to $d$-balanced domains motivated by the concept of generalized squeezing function given by Rong and Yang. In this work we study some of its properties and its relation with…

复变函数 · 数学 2022-10-10 Naveen Gupta , Sanjay Kumar Pant

Meta-conformal invariance is a novel class of dynamical symmetries, with dynamical exponent $z=1$, and distinct from the standard ortho-conformal invariance. The meta-conformal Ward identities can be directly read off from the Lie algebra…

数学物理 · 物理学 2022-11-14 Malte Henkel , Michal Dariusz Kuczynski , Stoimen Stoimenov

For any bounded domains $\Omega$ in $\mathbb{C}^{n}$, Deng, Guan and Zhang introduced the squeezing function $S_\Omega (z)$ which is a biholomorphic invariant of bounded domains. We show that for $n=1$, the squeezing function on an annulus…

复变函数 · 数学 2020-07-21 Tuen Wai Ng , Chiu Chak Tang , Jonathan Tsai

Very recently, the Fridman function of a complex manifold $X$ has been identified as a dual of the squeezing function of $X$. In this paper, we prove that the Fridman function for certain hyperbolic complex manifold $X$ is bounded above by…

复变函数 · 数学 2021-02-18 Tuen-Wai Ng , Chiu Chak Tang , Jonathan Tsai

It is known, that every function on the unit sphere in $\bbr^n$, which is invariant under rotations about some coordinate axis, is completely determined by a function of one variable. Similar results, when invariance of a function reduces…

泛函分析 · 数学 2008-01-03 Gestur Ólafsson , Boris Rubin

We study the boundary behaviour of a variant of the Fridman's invariant function (defined in terms of the Bergman metric) on Levi corank one domains, strongly pseudoconvex domains, smoothly bounded convex domains in $ \mathbb{C}^n $ and…

复变函数 · 数学 2024-01-09 Rahul Kumar , Prachi Mahajan

Given a noncommutative (nc) variety $\mathfrak{V}$ in the nc unit ball $\mathfrak{B}_d$, we consider the algebra $H^\infty(\mathfrak{V})$ of bounded nc holomorphic functions on $\mathfrak{V}$. We investigate the problem of when two algebras…

算子代数 · 数学 2025-04-15 Guy Salomon , Orr Shalit , Eli Shamovich

In this article we continue the study of properties of squeezing functions and geometry of bounded domains. The limit of squeezing functions of a sequence of bounded domains is studied. We give comparisons of intrinsic positive forms and…

复变函数 · 数学 2013-02-25 Fusheng Deng , Qi'an Guan , Liyou Zhang

In this paper we study the integral representation in the space SBD(O) of special functions with bounded deformation of some L^1-norm lower semicontinuous functionals invariant with respect to rigid motions.

泛函分析 · 数学 2007-05-23 Francois Ebobisse , Rodica Toader

We first show that for a bounded pseudoconvex domain with a manifold quotient of finite-volume in the sense of Kahler-Einstein measure, the identity component of the automorphism group of this domain is semi-simple without compact factors.…

微分几何 · 数学 2018-09-07 Kefeng Liu , Yunhui Wu

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
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