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Related papers: Triebel-Lizorkin spaces with general weights

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In this paper, we identify the duals of Triebel-Lizorkin spaces of generalized smoothness. In some particular cases these function spaces are just weighted Triebel-Lizorkin spaces. To do these, we will be working at the level of sequence…

Functional Analysis · Mathematics 2024-02-08 Douadi Drihem

In this paper we study Triebel-Lizorkin-type spaces with variable smoothness and integrability. We show that our space is well-defined, i.e., independent of the choice of basis functions and we obtain their atomic characterization. Moreover…

Functional Analysis · Mathematics 2016-01-14 Douadi Drihem

In this paper, we introduce a new family of function spaces of Besov and Triebel-Lizorkin type. We present the $\varphi $-transform characterization of these spaces in the sense of Frazier and Jawerth and we prove their Sobolev and…

Functional Analysis · Mathematics 2024-10-15 Douadi Drihem

In this paper, we present the complex interpolation of Besov and Triebel-Lizorkin spaces with generalized smoothness. In some particular cases these function spaces are just weighted Besov and Triebel-Lizorkin spaces. An application, we…

Functional Analysis · Mathematics 2022-12-15 Douadi Drihem

In this article we introduce Triebel--Lizorkin spaces with variable smoothness and integrability. Our new scale covers spaces with variable exponent as well as spaces of variable smoothness that have been studied in recent years.…

Classical Analysis and ODEs · Mathematics 2007-11-16 Lars Diening , Peter Hästö , Svetlana Roudenko

In this paper, we study different types of weighted Besov and Triebel-Lizorkin spaces with variable smoothness. The function spaces can be defined by means of the Littlewood-Paley theory in the field of Fourier analysis, while there are…

Classical Analysis and ODEs · Mathematics 2025-12-24 Jae-Hwan Choi , Jin Bong Lee , Jinsol Seo , Kwan Woo

In this article, the authors first introduce the Triebel-Lizorkin-type space $F_{p(\cdot),q(\cdot)}^{s(\cdot),\phi}(\mathbb R^n)$ with variable exponents, and establish its $\varphi$-transform characterization in the sense of Frazier and…

Classical Analysis and ODEs · Mathematics 2015-03-17 Dachun Yang , Ciqiang Zhuo , Wen Yuan

We establish conditions on the parameters which are both necessary and sufficient in order that Besov and Triebel-Lizorkin spaces of generalized smoothness contain only regular distributions. We also connect this with the possibility of…

Functional Analysis · Mathematics 2012-10-03 António Caetano , Hans-Gerd Leopold

In this article, the authors introduce Besov-type spaces with variable smoothness and integrability. The authors then establish their characterizations, respectively, in terms of $\varphi$-transforms in the sense of Frazier and Jawerth,…

Classical Analysis and ODEs · Mathematics 2015-03-17 Dachun Yang , Ciqiang Zhuo , Wen Yuan

We establish necessary and sufficient conditions guaranteeing compactness of embeddings of fractional Sobolev spaces, Besov spaces, and Triebel-Lizorkin spaces, in the general context of quasi-metric-measure spaces. Although stated in the…

Functional Analysis · Mathematics 2024-06-27 Ryan Alvarado , Przemysław Górka , Artur Słabuszewski

In this paper we present a comprehensive treatment of function spaces with logarithmic smoothness (Besov, Sobolev, Triebel-Lizorkin). We establish the following results: Sharp embeddings between the Besov spaces defined by differences and…

Functional Analysis · Mathematics 2018-12-27 Oscar Domínguez , Sergey Tikhonov

In this article, using growth functions we introduce generalized matrix-weighted Besov-Triebel-Lizorkin-type spaces with matrix $\mathcal{A}_{\infty}$ weights. We first characterize these spaces, respectively, in terms of the…

Functional Analysis · Mathematics 2025-05-06 Fan Bu , Dachun Yang , Wen Yuan , Mingdong Zhang

We study nuclear embeddings for function spaces of generalised smoothness defined on a bounded Lipschitz domain $\Omega\subset\mathbb{R}^d$. This covers, in particular, the well-known situation for spaces of Besov and Triebel-Lizorkin…

Functional Analysis · Mathematics 2022-12-26 Dorothee D. Haroske , Hans-Gerd Leopold , Susana D. Moura , Leszek Skrzypczak

We give a new characterization of (homogeneous) Triebel-Lizorkin spaces $\dot{\mathcal F}^{s}_{p,q}(Z)$ in the smoothness range $0 < s < 1$ for a fairly general class of metric measure spaces $Z$. The characterization uses Gromov hyperbolic…

Classical Analysis and ODEs · Mathematics 2016-08-15 Mario Bonk , Eero Saksman , Tomás Soto

Let $0<p<\infty$, $0<q\leq\infty$, and $s\in\mathbb{R}$. We introduce a new type of generalized Besov-type spaces $B_{p,q}^{s,\varphi}(\mathbb{R}^d)$ and generalized Triebel-Lizorkin-type spaces $F_{p,q}^{s,\varphi}(\mathbb{R}^d)$, where…

Functional Analysis · Mathematics 2023-02-21 Dorothee D. Haroske , Zhen Liu

We study weighted Besov and Triebel--Lizorkin spaces associated with Hermite expansions and obtain (i) frame decompositions, and (ii) characterizations of continuous Sobolev-type embeddings. The weights we consider generalize the…

Classical Analysis and ODEs · Mathematics 2021-01-11 The Anh Bui , Ji Li , Fu Ken Ly

In this paper we introduce Besov-type spaces with variable smoothness and integrability. We show that these spaces are characterized by the $\varphi $-transforms in appropriate sequence spaces and we obtain atomic decompositions for these…

Functional Analysis · Mathematics 2021-04-13 Douadi Drihem , Zeghad Zouheyr

Based on mixed-norm Herz spaces, Besov and Triebel-Lizorkin spaces, we introduce the so called mixed-norm Herz-type Besov-Triebel-Lizorkin spaces. We present the $\varphi $-transform characterization of these spaces in the sense of Frazier…

Functional Analysis · Mathematics 2024-07-15 Douadi Drihem

This article describes how the ideas promoted by the fundamental papers published by M. Frazier and B. Jawerth in the eighties have influenced subsequent developments related to the theory of atomic decompositions and Banach frames for…

Functional Analysis · Mathematics 2016-06-16 Hans Georg Feichtinger , Felix Voigtlaender

We consider function spaces of Besov, Triebel-Lizorkin, Bessel-potential and Sobolev type on $\R^d$, equipped with power weights $w(x) = |x|^\gamma$, $\gamma>-d$. We prove two-weight Sobolev embeddings for these spaces. Moreover, we…

Functional Analysis · Mathematics 2012-02-10 Martin Meyries , Mark Veraar
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