Results 31 to 40 of about 14,117,029 (318)

Sparse domination and the strong maximal function [PDF]

open access: yesAdvances in Mathematics, 2018
We study the problem of dominating the dyadic strong maximal function by $(1, 1)$-type sparse forms based on rectangles with sides parallel to the axes, and show that such domination is impossible.
Alexander Barron   +3 more
semanticscholar   +1 more source

Maximal functions: Homogeneous curves [PDF]

open access: yesProceedings of the National Academy of Sciences, 1976
Let t → γ( t ) be a homogeneous curve in R n . For suitable f , define [unk]( f )( x ) = sup h > 0 |(
openaire   +3 more sources

Maximal Function Pooling with Applications [PDF]

open access: yes, 2021
18 pages, 1 figure, to appear in Excursions in Harmonic Analysis, Volume ...
Czaja, Wojciech   +3 more
openaire   +2 more sources

The variation of the maximal function of a radial function [PDF]

open access: yes, 2017
We study the problem concerning the variation of the Hardy-Littlewood maximal function in higher dimensions. As the main result, we prove that the variation of the non-centered Hardy-Littlewood maximal function of a radial function is comparable to the ...
Hannes Luiro
semanticscholar   +1 more source

Maximal restriction estimates and the maximal function of the Fourier transform [PDF]

open access: yesProceedings of the American Mathematical Society, 2018
We prove a maximal restriction inequality for the Fourier transform, providing an answer to a question left open by M\"uller, Ricci and Wright. Our methods are similar to the ones in their article, with the addition of a suitable trick to help us ...
João P. G. Ramos
semanticscholar   +1 more source

Hardy spaces associated with ball quasi‐Banach function spaces on spaces of homogeneous type: Characterizations of maximal functions, decompositions, and dual spaces [PDF]

open access: yesMathematische Nachrichten, 2021
Let (X,ρ,μ)$({\mathcal {X}},\rho ,\mu )$ be a space of homogeneous type in the sense of Coifman and Weiss, and let Y(X)$Y({\mathcal {X}})$ be a ball quasi‐Banach function space on X${\mathcal {X}}$ , which supports both a Fefferman–Stein vector‐valued ...
Xianjie Yan   +3 more
semanticscholar   +1 more source

Inequalities for Some Maximal Functions. II [PDF]

open access: yesTransactions of the American Mathematical Society, 1985
Let S S be a smooth compact hypersurface in R n {{\mathbf {R}}^n} , and let μ \mu be a measure on S S , absolutely continuous with respect to surface measure. For t t in
COWLING M., MAUCERI, GIANCARLO
openaire   +4 more sources

Some estimates for commutators of the fractional maximal function on stratified Lie groups

open access: yesJournal of Inequalities and Applications, 2023
In this paper, the main aim is to consider the boundedness of the nonlinear commutator [ b , M α ] $[b, M_{\alpha}]$ and the maximal commutator M α , b $M_{\alpha ,b}$ on the Lebesgue spaces over some stratified Lie group G $\mathbb{G}$ when the symbol b
Jianglong Wu, Wenjiao Zhao
doaj   +1 more source

Continuous submodular function maximization

open access: yes, 2020
Continuous submodular functions are a category of generally non-convex/non-concave functions with a wide spectrum of applications. The celebrated property of this class of functions - continuous submodularity - enables both exact minimization and approximate maximization in poly. time.
Bian, Yatao; id_orcid0000-0002-2368-4084   +2 more
openaire   +3 more sources

Maximal functions of plurisubharmonic functions [PDF]

open access: yesTsukuba Journal of Mathematics, 1992
Let \(B\) denote the unit ball in \(\mathbb{C}^ n\) \((n\geq 1)\) with boundary \(S\). For a function \(u:B\to\mathbb{C}\), the radial maximal function \({\mathcal M}u\) on \(S\) is defined by \[ {\mathcal M}u(\eta)=\sup\{| u(r\eta)|:0\leq r1\), \(\eta\in S\), let \(D_ \alpha(\eta)=\{z:| 1-\langle z,\eta\rangle|
Kim, Hong Oh, Park, Yeon Yong
openaire   +2 more sources

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