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Related papers: Characterization of generalized Orlicz spaces

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Let (X, \r{ho},\mu) be a space of homogeneous type, a variable exponent satisfying the globally log-Holder continuous condition. In this article, the author introduce the variable fractional Sobolev spaces on X via Haj{\l}asz gradient.…

Functional Analysis · Mathematics 2022-04-26 Xiaosi Zhang , Qi Sun

Poincar\'{e}-Sobolev-type inequalities involving rearrangement-invariant norms on the entire $\mathbb{R}^n$ are provided. Namely, inequalities of the type $\|u-P\|_{Y(\mathbb{R}^n)}\leq C\|\nabla^m u\|_{X(\mathbb{R}^n)}$, where $X$ and $Y$…

Functional Analysis · Mathematics 2021-07-07 Zdeněk Mihula

Certain inequalities between the values of the modular and the norm in the Orlicz spaces are established. These inequalities are applied then to the theory of solvability of nonlinear integral equations of Hammerstein type.

Functional Analysis · Mathematics 2007-05-23 A. V. Lebedev , P. P. Zabreiko

In this paper, we study the effect of symmetric radial decreasing rearrangement on fractional Orlicz-Sobolev seminorm in domains. Roughly speaking, we prove that symmetric radial decreasing rearrangement can increase the fractional…

Analysis of PDEs · Mathematics 2025-07-22 Remi Yvant Temgoua

The criterion for a point in the unit ball to be a strongly exposed point is given. The necessity and sufficiency conditions for Orlicz-Lorentz spaces to possess strongly exposed property are given. Besides, some useful methods are obtained…

Functional Analysis · Mathematics 2025-11-18 Di. Wang , Yongjin. Li

The present note contains a review of $p$-energies and Sobolev spaces on metric measure spaces that carry a strongly local regular Dirichlet form. These Sobolev spaces are then used to generalize some basic results from the calculus of…

Analysis of PDEs · Mathematics 2018-05-14 Michael Hinz , Dorina Koch , Melissa Meinert

We prove that the space of pointwise multipliers between two distinct Musielak--Orlicz spaces is another Musielak-Orlicz space and the function defining it is given by an appropriately generalized Legendre transform. In particular, we…

Functional Analysis · Mathematics 2020-03-19 Karol Leśnik , Jakub Tomaszewski

The authors introduce generalized Campanato space with regularized condition over non-homogeneous space, and study its basic properties including the John-Nirenberg inequality and equivalent characterizations. As applications, the…

Functional Analysis · Mathematics 2024-05-10 Yuxun Zhang , Jiang Zhou

In this article we introduce a notion of normalized angle for Lorentzian pre-length spaces. This concept allows us to prove some equivalences to the definition of timelike curvature bounds from below for Lorentzian pre-length spaces.…

Differential Geometry · Mathematics 2022-09-28 Waldemar Barrera , Luis Montes de Oca , Didier A. Solis

We characterize norm one complemented subspaces of Orlicz sequence spaces $\ell_M$ equipped with either Luxemburg or Orlicz norm, provided that the Orlicz function $M$ is sufficiently smooth and sufficiently different from the square…

Functional Analysis · Mathematics 2007-05-23 Beata Randrianantoanina

In this article, we study certain transcendental function spaces arising in potential theory within the framework of Orlicz spaces. Specifically, we generalize Bessel and Lizorkin-Triebel spaces to the nonstandard setting of Orlicz spaces.…

Analysis of PDEs · Mathematics 2026-04-21 Pablo Ochoa , Ariel Salort

In this paper we present a new characterization of Sobolev spaces on Euclidian spaces ($\mathbb{R}^n$). Our characterizing condition is obtained via a quadratic multiscale expression which exploits the particular symmetry properties of…

Classical Analysis and ODEs · Mathematics 2010-11-30 Roc Alabern , Joan Mateu , Joan Verdera

The approximation of functions in Orlicz space by multivariate operators on simplex is considered. The convergence rate is given by using modulus of smoothness.

Functional Analysis · Mathematics 2021-01-25 Wan Ma , Lihong Chang , Yongxia Qiang

A start is made to redefining the topology of the spaces of normal states (density operators) by a new norm which is finite only for states of finite entropy. It is shown that a symmetrized version of the free energy difference between…

Mathematical Physics · Physics 2007-05-23 R. F. Streater

We consider a homogeneous fractional Sobolev space obtained by completion of the space of smooth test functions, with respect to a Sobolev--Slobodecki\u{\i} norm. We compare it to the fractional Sobolev space obtained by the $K-$method in…

Functional Analysis · Mathematics 2018-06-26 Lorenzo Brasco , Ariel Salort

We give a sufficient (and, in the case of a compact domain, a necessary) condition for the embedding of Sobolev space of functions with integrable gradient into Besov-Orlicz spaces to be bounded. The condition has a form of a simple…

Functional Analysis · Mathematics 2021-10-26 Aleksander Pawlewicz , Michał Wojciechowski

In this article we investigate the Fourier series and transforms for the functions defined on the [-pi, pi]^ d or on the R^d and belonging to the (Bilateral) Grand Lebesgue Spaces. As a particular case we obtain some results about Fourier's…

Functional Analysis · Mathematics 2010-10-22 E. Ostrovsky , L. Sirota

In the paper, our main aim is to generalize the width integrals to the Orlicz space. Under the framework of Orlicz Brunn-Minkowski theory, we introduce a new affine geometric quantity by calculating Orlicz first order variation of the width…

Metric Geometry · Mathematics 2021-03-18 Chnag-Jian Zhao

An equivalent expression of Orlicz modulars in terms of measure of level sets of difference quotients is established. The result in a sense complements the famous Maz'ya-Shaposhnikova formula for the fractional Gagliardo-Slobodeckij…

Functional Analysis · Mathematics 2023-02-20 Martin Křepela , Zdeněk Mihula , Javier Soria

In this paper, we study the traces of Orlicz-Sobolev spaces on a regular rooted tree. After giving a dyadic decomposition of the boundary of the regular tree, we present a characterization on the trace spaces of those first order…

Functional Analysis · Mathematics 2020-05-06 Zhuang Wang