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We consider the global Morrey-type spaces with variable exponents and general function defining these spaces. In the case of unbounded sets, we prove boundedness of the Hardy-Littlewood maximal operator, potential type operator in these…

泛函分析 · 数学 2021-06-07 Nurzhan A. Bokayev , Zhomart M. Onerbek

In this paper we consider a generalized version of bounded oscillation operators, involving new parameters in the definition, as well as considering the operators on vector-valued function spaces. With this definition we will capture some…

经典分析与常微分方程 · 数学 2023-08-08 Grigori A. Karagulyan

The aim of this paper is to obtain the boundedness of some operator on grand generalized weighted Morrey spaces $\mathcal{L}^{p),\phi}_{\varphi}(\omega)$ over RD-spaces. Under assumption that functions $\varphi$ and $\phi$ satisfy certain…

泛函分析 · 数学 2022-10-05 Suixin He , Shuangping Tao

We obtain in this short article the non-asymptotic estimations for the norm of (generalized) Cesaro-Hardy integral operators in the so-called Bilateral Grand Lebesgue Spaces. We also give examples to show the sharpness of these…

泛函分析 · 数学 2013-07-23 E. Ostrovsky , L. Sirota

In the setting of homogeneous spaces (X,d,{\mu}), it is shown that the commutator of Calder\'on- Zygmund type operators as well as commutator of potential operator with BMO function are bounded in generalized Grand Morrey space. Interior…

泛函分析 · 数学 2012-05-31 Vakhtang Kokilashvili , Alexander Meskhi , Humberto Rafeiro

We study two classes of bounded operators on mixed norm Lebesgue spaces, namely composition operators and product operators. A complete description of bounded composition operators on mixed norm Lebesgue spaces are given. For a certain…

泛函分析 · 数学 2020-03-25 Nikita Evseev , Alexander Menovschikov

In the present paper, we shall give a characterization for weak/strong Adams-type boundedness of the fractional maximal operator on generalized Orlicz-Morrey spaces.

泛函分析 · 数学 2017-02-07 Fatih Deringoz , Vagif S. Guliyev , Sabir G. Hasanov

The aim of this paper is to prove the boundedness of the oscillation and variation operators for the multilinear singular integrals with Lipschitz functions on weighted Morrey spaces.

泛函分析 · 数学 2019-09-04 Ferit Gurbuz

An estimate for the norm of selfadjoint Toeplitz operators with a radial, bounded and integrable symbol is obtained. This emphasizes the fact that the norm of such operator is strictly less than the supremum norm of the symbol. Consequences…

泛函分析 · 数学 2021-02-04 Antonio Galbis

In this paper, the authors define the mixed $\lambda$-central Morrey spaces and the mixed $\lambda$-central $BMO$ spaces. The boundedness of the fractional integral operators $T_{\alpha}$ and its commutators $[b, T_{\alpha}]$ are…

泛函分析 · 数学 2022-08-16 Wenna Lu , Jiang Zhou

We obtain several estimates for the $L^p$ operator norms of the Bergman and Cauchy-Szeg\"o projections over the the Siegel upper half-space. As a by-product, we also determine the precise value of the $L^p$ operator norm of a family of…

复变函数 · 数学 2017-01-17 Congwen Liu

In this paper, we obtain the necessary and sufficient conditions for the weak/strong boundedness of the Calder\'{o}n-Zygmund operators in generalized weighted Orlicz-Morrey spaces. We also study the boundedness of the commutators of…

泛函分析 · 数学 2022-05-02 F. Deringoz , V. S. Guliyev , M. N. Omarova , M. A. Ragusa

We introduce the mixed Bourgain-Morrey spaces and obtain their preduals. The boundedness of Hardy-Littlewood maximal operator, iterated maximal operator, fractional integral operator, singular integral operator on these spaces is proved. In…

泛函分析 · 数学 2026-03-17 Tengfei Bai , Pengfei Guo , Jingshi Xu

We consider generalized Orlicz-Morrey spaces $M_{\Phi,\varphi}(\Rn)$ including their weak versions $WM_{\Phi,\varphi}(\Rn)$. In these spaces we prove the boundedness of the Riesz potential from $M_{\Phi,\varphi_1}(\Rn)$ to…

泛函分析 · 数学 2013-12-31 Vagif S. Guliyev , Fatih Deringoz

A necessary condition and a sufficient condition for one weight norm inequalities on Morrey spaces to hold are given for the fractional maximal operator and the fractional integral operator. We clarify the difference between the behavior of…

泛函分析 · 数学 2016-12-05 Shohei Nakamura , Yoshihiro Sawano , Hitoshi Tanaka

In this paper, we first give some new characterizations of Muckenhoupt type weights through establishing the boundedness of maximal operators on the weighted Lorentz and Morrey spaces. Secondly, we establish the boundedness of sublinear…

泛函分析 · 数学 2018-11-26 Nguyen Minh Chuong , Dao Van Duong , Kieu Huu Dung

The theory of generalized Besov-Morrey spaces and generalized Triebel-Lizorkin-Morrey spaces is developed. Generalized Morrey spaces, which T. Mizuhara and E. Nakai proposed, are equipped with a parameter and a function. The trace property…

泛函分析 · 数学 2016-05-30 Shohei Nakamura , Takahiro Noi , Yoshihiro Sawano

The paper is devoted to the problem of exact calculation of the norms in ideal spaces for monotone operators on the cones of functions with monotonicity properties. We implement a general approach to this problem that covers many concrete…

泛函分析 · 数学 2021-01-19 E. G. Bakhtigareeva , M. L. Goldman

The purpose of this paper is to establish some neccessary and sufficient conditions for the boundedness of a general class of multilinear Hausdorff operators that acts on the product of some two weighted function spaces such as the two…

泛函分析 · 数学 2019-03-12 Nguyen Minh Chuong , Dao Van Duong , Nguyen Duc Duyet

Two integral operator involving the Appell's functions, or Horn's function in the kernel are considered. Composition of such functions with generalized Bessel functions of the first kind are expressed in term of generalized Wright function…

经典分析与常微分方程 · 数学 2013-05-09 Saiful. R. Mondal , K. S. Nisar