Results 31 to 40 of about 7,070 (191)

Weighted Iterates and Variants of the Hardy-Littlewood Maximal Operator [PDF]

open access: yesTransactions of the American Mathematical Society, 1983
Let \(\mu\),\(\nu\) be two measures on \(R^ n\). Suppose that a function \(\phi_ Q\) supported in Q is associated with each cube Q in \(R^ n\). Let \(Mf(x)=\sup \int f\phi_ Qd\nu\) be the maximal operator where the sup is extended over all Q with center x. In the previous paper [Trans. Am. Math. Soc.
Leckband, M. A., Neugebauer, C. J.
openaire   +2 more sources

Φ-Admissible Sublinear Singular Operators and Generalized Orlicz-Morrey Spaces

open access: yesJournal of Function Spaces, 2014
We study the boundedness of Φ-admissible sublinear singular operators on Orlicz-Morrey spaces MΦ,φℝn. These conditions are satisfied by most of the operators in harmonic analysis, such as the Hardy-Littlewood maximal operator and Calderón-Zygmund ...
Javanshir J. Hasanov
doaj   +1 more source

New Herz Type Besov and Triebel-Lizorkin Spaces with Variable Exponents

open access: yesJournal of Function Spaces and Applications, 2012
The authors establish the boundedness of vector-valued Hardy-Littlewood maximal operator in Herz spaces with variable exponents. Then new Herz type Besov and Triebel-Lizorkin spaces with variable exponents are introduced.
Baohua Dong, Jingshi Xu
doaj   +1 more source

BMO Functions Generated by AXℝn Weights on Ball Banach Function Spaces

open access: yesJournal of Function Spaces, 2021
Let X be a ball Banach function space on ℝn. We introduce the class of weights AXℝn. Assuming that the Hardy-Littlewood maximal function M is bounded on X and X′, we obtain that BMOℝn=αlnω:α≥0,ω∈AXℝn.
Ruimin Wu, Songbai Wang
doaj   +1 more source

Boundedness of hardy-littlewood maximal operator in the framework of lizorkin-triebel spaces [PDF]

open access: yes, 2002
We describe a class O of nonlinear operators which are bounded on the Lizorkin–Triebel spaces Fs p,q(Rn), for 0 < s < 1 and 1 < p, q < 1. As a corollary, we prove that the Hardy-Littlewood maximal operator is bounded on Fs p,q(Rn), for 0 < s < 1 and 1 ...
Korry, Soulaymane
core   +2 more sources

The John–Nirenberg inequality in ball Banach function spaces and application to characterization of BMO

open access: yesJournal of Inequalities and Applications, 2019
Our goal is to obtain the John–Nirenberg inequality for ball Banach function spaces X, provided that the Hardy–Littlewood maximal operator M is bounded on the associate space X′ $X'$ by using the extrapolation.
Mitsuo Izuki   +2 more
doaj   +1 more source

Weak type estimates of Hardy–Littlewood maximal operator on local Morrey spaces associated with ball quasi-Banach function spaces

open access: yesResults in Applied Mathematics
This paper proves the weak type estimates of the Hardy–Littlewood maximal operator on local Morrey spaces associated with ball quasi-Banach function spaces.
HanLin Li, Jiang Zhou
doaj   +1 more source

Two-Weight Norm Inequality for the One-Sided Hardy-Littlewood Maximal Operators in Variable Lebesgue Spaces

open access: yesJournal of Function Spaces, 2016
The authors establish the two-weight norm inequalities for the one-sided Hardy-Littlewood maximal operators in variable Lebesgue spaces. As application, they obtain the two-weight norm inequalities of variable Riemann-Liouville operator and variable Weyl
Caiyin Niu, Zongguang Liu, Panwang Wang
doaj   +1 more source

Weighted norm inequalities for general maximal operators [PDF]

open access: yes, 1991
In [13] Muckenhoupt proved the fundamental result characterizing all the weights for which the Hardy-Littlewood maximal operator is bounded; the sur-prisingly simple necessary and sufficient condition is the so called AP-condition (see below).
Pérez, C.
core   +3 more sources

On the centered Hardy-Littlewood maximal operator [PDF]

open access: yesTransactions of the American Mathematical Society, 2002
The author investigates the best constant \(C\) in the weak type (1,1) inequality for the centered Hardy-Littlewood maximal operator in dimension one, given by \[ Mf(x)= \sup_{h> 0} {1\over 2h} \int^{x+ h}_{x-h}|f(y)|dy,\qquad x\in\mathbb{R}. \] The exact value of this constant is not known.
openaire   +2 more sources

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