Results 111 to 120 of about 3,337 (162)

Rough fractional integral operators and beyond Adams inequalities

open access: yesMathematical Inequalities & Applications, 2019
We consider the boundedness of fractional integral operators with rough kernel from Morrey spaces Lp,λ to Lq,μ . Our main concern is proving the boundedness property for μ < λ as an extension of Adams inequality on some special subsets of the operator’s ...
Daniel Salim, Y. Soeharyadi, W. S. Budhi
semanticscholar   +1 more source

Solitons in gauge theories: Existence and dependence on the charge

open access: yesAdvances in Nonlinear Analysis, 2014
In this paper we review recent results on the existence of non-topological solitons in classical relativistic nonlinear field theories. We follow the Coleman approach, which is based on the existence of two conservation laws, energy and charge.
Bonanno Claudio
doaj   +1 more source

Bellman function approach to the sharp constants in uniform convexity [PDF]

open access: yesarXiv, 2014
We illustrate Bellman function technique in finding the modulus of uniform convexity of $L^{p}$ spaces.
arxiv  

Φ-Admissible singular operators and their commutators on vanishing generalized Orlicz-Morrey spaces

open access: yes, 2014
We study the boundedness of Φ-admissible singular operators and their commutators on vanishing generalized Orlicz-Morrey spaces VMΦ,φ(Rn) including their weak versions. These conditions are satisfied by most of the operators in harmonic analysis, such as
V. Guliyev, F. Deringoz, J. Hasanov
semanticscholar   +1 more source

OSCILLATORY INTEGRAL OPERATORS AND THEIR COMMUTATORS IN MODIFIED WEIGHTED MORREY SPACES WITH VARIABLE EXPONENT

open access: yesInternational Journal of Apllied Mathematics, 2019
In this paper first we prove Calderón-Zygmund-type integral inequalities for oscillatory integral operators and their commutators in the modified weighted Morrey spaces with variable exponent L̃ p(·),λ ω (Ω), where Ω ⊂ R are unbounded sets. After that we
J. Hasanov, A. Musayev
semanticscholar   +1 more source

Real-Variable Characterizations of Hardy–Lorentz Spaces on Spaces of Homogeneous Type with Applications to Real Interpolation and Boundedness of Calderón–Zygmund Operators

open access: yesAnalysis and Geometry in Metric Spaces, 2020
Let (𝒳, d, μ) be a space of homogeneous type, in the sense of Coifman and Weiss, with the upper dimension ω. Assume that η ∈(0, 1) is the smoothness index of the wavelets on 𝒳 constructed by Auscher and Hytönen.
Zhou Xilin, He Ziyi, Yang Dachun
doaj   +1 more source

Some estimates for imaginary powers of the Laplace operator in variable Lebesgue spaces and applications [PDF]

open access: yesarXiv, 2013
In this paper we study some estimates of norms in variable exponent Lebesgue spaces for a singular integral operators that are imaginary powers of the Laplace operator in $\R^n$. Using Mellin transform argument, from this estimates we obtain boundedness for a family of maximal operators in variable exponent Lebesgue spaces, which are closely related to
arxiv  

The role of an integration identity in the analysis of the Cauchy-Leray transform [PDF]

open access: yesarXiv, 2017
The purpose of this paper is to complement the results in [LS-1] by showing the dense definability of the Cauchy-Leray transform for the domains that give the counterexamples of [LS-1], where $L^p$-boundedness is shown to fail when either the "near" $C^2$ boundary regularity, or the strong $\mathbb C$-linear convexity assumption is dropped.
arxiv  

Commutators of singular integrals on generalized $L^p$ spaces with variable exponent [PDF]

open access: yesarXiv, 2004
A classical theorem of Coifman, Rochberg, and Weiss on commutators of singular integrals is extended to the case of generalized $L^p$ spaces with variable exponent.
arxiv  

On modular inequalities in variable L^p spaces [PDF]

open access: yesarXiv, 2004
We show that the Hardy-Littlewood maximal operator and a class of Calder\'on-Zygmund singular integrals satisfy the strong type modular inequality in variable $L^p$ spaces if and only if the variable exponent $p(x)\sim const$.
arxiv  

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