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In this paper we prove a Schwarz-Pick lemma for the modulus of holomorphic mappings between the unit balls in complex spaces. This extends the classical Schwarz-Pick lemma and the related result proved by Pavlovic.

Complex Variables · Mathematics 2013-07-31 Shaoyu Dai , Yifei Pan

In this paper, we prove a general Schwarz lemma at the boundary for holomorphic mappings from the polydisc to the unit ball in any dimensions. For the special case of one complex variable, the obtained results give the classic boundary…

Complex Variables · Mathematics 2014-11-04 Yang Liu , Zhihua Chen , Yifei Pan

We prove a Schwarz type lemma for harmonic mappings between the unit and a geodesic line in a Riemenn surface.

Complex Variables · Mathematics 2019-03-14 David Kalaj

In this paper, we give a general boundary Schwarz lemma for holomorphic mappings between unit balls in any dimensions. It is proved that if the mapping $f\in C^{1+\alpha}$ at $z_0\in \partial \mathbb B^n$ with $f(z_0)=w_0\in \partial…

Complex Variables · Mathematics 2015-03-19 Yang Liu , Zhihua Chen , Yifei Pan

In this paper we prove a Schwarz lemma for harmonic mappings between the unit balls in real Euclidean spaces. Roughly speaking, our result says that under a harmonic mapping between the unit balls in real Euclidean spaces, the image of a…

Complex Variables · Mathematics 2013-04-10 Shaoyu Dai , Yifei Pan

The main purpose of this paper is to develop some methods to investigate the Schwarz type lemmas of holomorphic mappings and pluriharmonic mappings in Hilbert and Banach spaces. Initially, we extend the classical Schwarz lemmas of…

Complex Variables · Mathematics 2022-05-12 M. Mateljević , N. Mutavdžić

The main purpose of this paper is to develop some methods to investigate the Schwarz type lemmas of holomorphic mappings and pluriharmonic mappings in Banach spaces. Initially, we extend the classical Schwarz lemmas of holomorphic mappings…

Complex Variables · Mathematics 2022-07-11 Shaolin Chen , Hidetaka Hamada , Saminathan Ponnusamy , Ramakrishnan Vijayakumar

We provide generalisations of two Schwarz-type lemmas -- the first a result of Globevnik and the other due to Ransford and White -- for holomorphic mappings into the spectral unit ball. The first concerns mappings of the unit disc in C into…

Complex Variables · Mathematics 2007-05-23 Gautam Bharali

We establish some Schwarz type Lemmas for mappings defined on the unit disk with bounded Laplacian. Then we apply these results to obtain boundary versions of the Schwarz lemma.

Complex Variables · Mathematics 2018-10-23 Miodrag Mateljević , Adel Khalfallah

The primary objective of this paper is to develop methodologies for investigating Schwarz type lemmas and to present their applications in Banach spaces. First, we improve upon the main results obtained by Osserman [Proc. Am. Math. Soc.…

Complex Variables · Mathematics 2026-05-19 Shaolin Chen , Hidetaka Hamada , Megha Kundathil , Ramakrishnan Vijayakumar

Our first aim of this article is to establish several new versions of refined Bohr inequalities for bounded analytic functions in the unit disk involving Schwarz functions. Secondly, %as applications of these results, we obtain several new…

Complex Variables · Mathematics 2024-09-17 Shanshan Jia , Ming-Sheng Liu , Saminathan Ponnusamy

In this paper we prove a Schwarz-Pick lemma for the modulus of holomorphic mappings from the polydisk into the unit ball. This result extends some related results.

Complex Variables · Mathematics 2013-08-01 Shaoyu Dai , Yifei Pan

We first prove a Boundary Schwarz lemma for holomorphic disks on the unit ball in $\mathbb{C}^n$. Further by using a Schwarz lemma for minimal conformal disks of Forstneri\v c and Kalaj (F.~Forstneri{\v{c}} and D.~Kalaj. \newblock…

Complex Variables · Mathematics 2026-05-26 David Kalaj

We prove the following generalization of Schwarz lemma for harmonic mappings. If $u$ is a harmonic mapping of the unit ball $B_n$ onto itself such that $u(0)=0$ and $\|u\|_p:=\left(\int_S|u(\eta)|^pd\sigma(\eta)\right)^{1/p}<\infty$, $p\ge…

Analysis of PDEs · Mathematics 2015-06-23 David Kalaj

In this paper, we investigates the Bohr phenomenon for holomorphic mappings $F$ from the unit ball $\mathbb{B}_X$ of a complex Banach space $X$ into the closure of the unit polydisc $\mathbb{D}^m$ within the space $\mathbb{C}^m$. First, we…

Complex Variables · Mathematics 2025-11-25 Vasudevarao Allu , Raju Biswas , Rajib Mandal

In this paper, we establish a boundary Schwarz lemma for solutions to non-homogeneous biharmonic equations.

Complex Variables · Mathematics 2019-06-20 Manas Ranjan Mohapatra , Xiantao Wang , Jian-Feng Zhu

In this paper, we first define two classes of holomorphic mappings defined on the unit ball $B^n$ of n-dimensional complex space $\mathbb{C}^n$ and obtain the lower estimates for Bloch's constant for these classes. Also, we derive the…

Complex Variables · Mathematics 2026-04-14 Vasudeva Rao Allu , Rohit Kumar

In this paper, we consider transversally harmonic maps between Riemannian manifolds with Riemannian foliations. In terms of the Bochner techniques and sub-Laplacian comparison theorem, we are able to establish a generalization of the…

Differential Geometry · Mathematics 2022-05-25 Xin Huang , Weike Yu

In this paper we prove a Schwarz-Pick lemma for bounded complex-valued harmonic functions in the unit ball of R^n.

Complex Variables · Mathematics 2013-03-14 Dai Shaoyu , Pan Yifei

In this article, we characterize the holomorphic mappings from $B_{\ell_p^n}\times\mathbb{D}^{m}$ into $\mathbb{D}^{m}$ for $p\in \{2,\infty\}$. In addition, we give a simple proof for the boundary Schwarz lemma for vector valued…

Complex Variables · Mathematics 2026-05-20 Shankey Kumar , Saminathan Ponnusamy
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