Results 61 to 70 of about 1,351 (121)

Smoothing estimates for variable coefficients Schroedinger equation with electromagnetic potentials

open access: yes, 2012
In this paper we develop the classical multiplier technique to prove a virial identity and smoothing estimates (in a perturbative setting) for the electromagnetic variable coefficients Schroedinger equation.Comment: 15 ...
Cacciafesta, Federico
core   +1 more source

Some estimates for Hausdorff operators

open access: yes, 2015
In this paper, we give some sufficient conditions for the boundedness of three types of Hausdorff operators on the Lebesgue spaces with power weights. In some cases, these conditions are also necessary and the corresponding operator norms are worked out.
G. Gao   +3 more
semanticscholar   +1 more source

Inhomogeneous multi-parameter Besov and Triebel-Lizorkin spaces associated with different homogeneities and boundedness of composition operators

open access: yesJournal of Mathematical Inequalities, 2020
In this paper, the author establishes inhomogeneous multi-parameter Besov and TriebelLizorkin spaces associated with different homogeneities. Moreover, the boundedness of the composition of two inhomogeneous Calderón-Zygmund singular integrals of order ...
J. Tan
semanticscholar   +1 more source

Stein-Weiss inequality for local mixed radial-angular Morrey spaces

open access: yesOpen Mathematics, 2022
In this article, a generalization of the well-known Stein-Weiss inequality for the fractional integral operator on functions with different integrability properties in the radial and the angular direction in local Morrey spaces is established.
Wei Mingquan, Su Fangming, Sun Lanyin
doaj   +1 more source

B-maximal commutators, commutators of B-singular integral operators and B-Riesz potentials on B-Morrey spaces

open access: yesOpen Mathematics, 2020
In this article, we consider the Laplace-Bessel differential operatorΔBk,n=∑i=1k∂2∂xi2+γixi∂∂xi+∑i=k+1n∂2∂xi2,γ1>0,…,γk>0.{\Delta }_{{B}_{k,n}}=\mathop{\sum }\limits_{i=1}^{k}\left(\frac{{\partial }^{2}}{\partial {x}_{i}^{2}}+\frac{{\gamma }_{i}}{{x}_{i}}
Hasanov Javanshir J.   +2 more
doaj   +1 more source

On the boundary convergence of solutions to the Hermite-Schr\"odinger equation

open access: yes, 2009
In the half-space $\mathbb{R}^d \times \mathbb{R}_+$, we consider the Hermite-Schr\"odinger equation $i\partial u/\partial t = - \Delta u + |x|^2 u$, with given boundary values on $\mathbb{R}^d$.
Sjögren, Peter, Torrea, J. L.
core   +1 more source

Some necessary and sufficient conditions for a VMO function

open access: yesJournal of Mathematical Inequalities, 2020
. Let (cid:2) L p , λ ( R n ) ( W (cid:2) L q , λ ( R n )) be the (weak) modi fi ed Morrey spaces. In this paper, for some appropriate indices p , λ and q , we fi rstly prove that the commutator [ b , I α ] , generated by the symbol b and the fractional ...
Guangqing Wang, Jin ui Li
semanticscholar   +1 more source

Notes on pseudodifferential operators commutators and Lipschitz functions

open access: yesOpen Mathematics, 2023
This article focuses on the boundedness of the commutators generated by pseudodifferential operators with Lipschitz functions and obtains a sufficient condition such that these operators are bounded from Lp(Rn){L}^{p}\left({{\bf{R}}}^{n}) into the ...
Deng Yu-long
doaj   +1 more source

Boundedness of positive operators on weighted amalgams

open access: yesJournal of Inequalities and Applications, 2011
In this article, we characterize the pairs (u, v) of positive measurable functions such that T maps the weighted amalgam in (Lp (u), ℓ q ) for all , where T belongs to a class of positive operators which includes Hardy operators, maximal ...
Aguilar Cañestro María Isabel   +1 more
doaj  

Hardy spaces associated with some anisotropic mixed-norm Herz spaces and their applications

open access: yesOpen Mathematics, 2023
In this article, we introduce anisotropic mixed-norm Herz spaces K˙q→,a→α,p(Rn){\dot{K}}_{\overrightarrow{q},\overrightarrow{a}}^{\alpha ,p}\left({{\mathbb{R}}}^{n}) and Kq→,a→α,p(Rn){K}_{\overrightarrow{q},\overrightarrow{a}}^{\alpha ,p}\left({{\mathbb ...
Zhao Yichun, Zhou Jiang
doaj   +1 more source

Home - About - Disclaimer - Privacy