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In this paper, we introduce a class of homeomorphisms between metric spaces, which are locally biH\"{o}lder continuous mappings. Then an embedding result between Besov spaces induced by locally biH\"{o}lder continuous mappings between…

泛函分析 · 数学 2023-02-23 Manzi Huang , Xiantao Wang , Zhuang Wang , Zhihao Xu

In this article, we study holomorphic isometric embeddings between bounded symmetric domains. In particular, we show the total geodesy of any holomorphic isometric embedding between reducible bounded symmetric domains with the same rank.

复变函数 · 数学 2018-03-29 Shan Tai Chan

We prove sharp radial estimates using Besov spaces. We also prove the propagation of singularities in Besov spaces.

偏微分方程分析 · 数学 2020-03-26 Jian Wang

We study compact embeddings of Sobolev, Besov, and Triebel-Lizorkin spaces with variable exponents on both bounded and unbounded metric measure spaces. We establish sufficient conditions for compactness, and under additional assumptions, we…

泛函分析 · 数学 2026-03-26 Michał Dymek

Let $\alpha\in\mathbb{R}$, $p\in[1,\infty)$, $q\in(0,\infty]$, $\mathbf{W}$ be a matrix weight, and $A$ be an expansive dilation on $\mathbb{R}^d$. In this paper, the authors firstly investigate and develop some aspects of homogeneous…

泛函分析 · 数学 2025-10-08 Xiong Liu , Wenhua Wang

A rather complete investigation of anisotropic Bessel potential, Besov, and H\"older spaces on cylinders over (possibly) noncompact Riemannian manifolds with boundary is carried out. The geometry of the underlying manifold near its 'ends'…

泛函分析 · 数学 2012-04-04 Herbert Amann

In this paper we give a thorough study of Lipschitz spaces. We obtain the following new results: (1) Sharp Jawerth-Franke-type embeddings between the Besov and Lipschitz spaces extending the classical results for Besov and Sobolev spaces;…

泛函分析 · 数学 2019-11-20 Oscar Domínguez , Dorothee D. Haroske , Sergey Tikhonov

This paper is devoted to giving definitions of Besov spaces on an arbitrary open set of $\mathbb R^n$ via the spectral theorem for the Schr\"odinger operator with the Dirichlet boundary condition. The crucial point is to introduce some test…

泛函分析 · 数学 2016-03-07 Tsukasa Iwabuchi , Tokio Matsuyama , Koichi Taniguchi

We continue our earlier investigations of radial subspaces of Besov and Lizorkin-Triebel spaces on $\R^d$. This time we study characterizations of these subspaces by differences.

泛函分析 · 数学 2012-12-12 Winfried Sickel , Leszek Skrzypczak , Jan Vybiral

The embedding relations between Besov-Triebel-Sobolev spaces and modulation spaces are determined explicitly. We extend the results of Sugimoto[2007]; Wang[2007] and Kobayashi[2011] to the most general cases. And we give the sharp embedding…

泛函分析 · 数学 2021-09-01 Yufeng Lu

We use the method of atomic decomposition to build new families of function spaces, similar to Besov spaces, in measure spaces with grids, a very mild assumption. Besov spaces with low regularity are considered in measure spaces with good…

经典分析与常微分方程 · 数学 2022-03-23 Daniel Smania

In this paper we will study the representations of isomorphisms between bases of topological spaces. It turns out that the perfect setting for this study is that of regular open subsets of complete metric spaces, but we have achieved some…

一般拓扑 · 数学 2021-08-31 Javier Cabello Sánchez

This paper deals with continuous and compact mappings of the Fourier transform in function spaces with dominating mixed smoothness.

泛函分析 · 数学 2024-12-10 Hans Triebel

In this article, the authors introduce the spaces of Lipschitz type on spaces of homogeneous type in the sense of Coifman and Weiss, and discuss their relations with Besov and Triebel-Lizorkin spaces. As an application, the authors…

泛函分析 · 数学 2021-03-04 Fan Wang , Ziyi He , Dachun Yang , Wen Yuan

This paper develops methods based on coarse geometry for the comparison of wavelet coorbit spaces defined by different dilation groups, with emphasis on establishing a unified approach to both irreducible and reducible quasi-regular…

泛函分析 · 数学 2024-11-14 Hartmut Führ , Jordy Timo van Velthoven , Felix Voigtlaender

In this paper we obtain the non-asymptotic norm estimations of Besov's type between the norms of a functions in different Bilateral Grand Lebesgue spaces (BGLS). We also give some examples to show the sharpness of these inequalities.

泛函分析 · 数学 2010-05-19 E. Ostrovsky , L. Sirota

We investigate the problem of establishing bilateral continuous embeddings of the uniformly localized Bessel potential spaces $H^{\gamma}_{r, \: unif}(\mathbb{R}^n)$ into the multiplier spaces between Bessel potential spaces with positive…

泛函分析 · 数学 2022-12-08 Alexei A. Belyaev

Cocompactness is a useful weaker counterpart of compactness in the study of imbeddings between function spaces. In this paper we show that subcritical continuous imbeddings of fractional Sobolev spaces and Besov spaces over \mathbb{R}^{N}…

偏微分方程分析 · 数学 2011-09-30 Michael Cwikel , Kyril Tintarev

Whether embedding spaces use all their dimensions equally, i.e., whether they are isotropic, has been a recent subject of discussion. Evidence has been accrued both for and against enforcing isotropy in embedding spaces. In the present…

机器学习 · 计算机科学 2024-05-28 Timothee Mickus , Stig-Arne Grönroos , Joseph Attieh

We prove a lower bound estimate for capacities in Hajlasz-Besov, Hajlasz-Triebel-Lizorkin and Hajlasz-Sobolev spaces with generalized smoothness defined on metric spaces in terms of Netrusov-Hausdorff content or Hausdorff content.

泛函分析 · 数学 2024-01-23 Nijjwal Karak , Debarati Mondal