Results 1 to 10 of about 72 (65)

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

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   +13 more sources

BMO and the John-Nirenberg Inequality on Measure Spaces [PDF]

open access: yesAnalysis and Geometry in Metric Spaces, 2020
We study the space BMO𝒢 (𝕏) in the general setting of a measure space 𝕏 with a fixed collection 𝒢 of measurable sets of positive and finite measure, consisting of functions of bounded mean oscillation on sets in 𝒢.
Dafni Galia, Gibara Ryan, Lavigne Andrew
doaj   +4 more sources

John–Nirenberg inequalities for parabolic BMO

open access: yesMathematische Annalen, 2022
AbstractWe discuss a parabolic version of the space of functions of bounded mean oscillation related to a doubly nonlinear parabolic partial differential equation. Parabolic John–Nirenberg inequalities, which give exponential decay estimates for the oscillation of a function, are shown in the natural geometry of the partial differential equation ...
Juha Kinnunen   +2 more
openaire   +5 more sources

Sparse Brudnyi and John–Nirenberg Spaces

open access: yesComptes Rendus. Mathématique, 2021
A generalization of the theory of Y. Brudnyi [7], and A. and Y. Brudnyi [5, 6], is presented. Our construction connects Brudnyi’s theory, which relies on local polynomial approximation, with new results on sparse domination.
Domínguez, Óscar, Milman, Mario
doaj   +1 more source

Quantitative John–Nirenberg inequalities at different scales

open access: yesRevista Matemática Complutense, 2022
AbstractGiven a family $${\mathcal {Z}}=\{\Vert \cdot \Vert _{Z_Q}\}$$ Z = { ‖ · ‖ Z Q
Javier C. Martínez-Perales   +2 more
openaire   +4 more sources

Characterization of Lipschitz Spaces via Commutators of Maximal Function on the p-Adic Vector Space

open access: yesJournal of Mathematics, 2022
In this paper, we give characterization of a p-adic version of Lipschitz spaces in terms of the boundedness of commutators of maximal function in the context of the p-adic version of Lebesgue spaces and Morrey spaces, where the symbols of the commutators
Qianjun He, Xiang Li
doaj   +1 more source

On the John–Nirenberg inequality

open access: yesJournal of Inequalities and Applications, 2020
We present a version of the John–Nirenberg inequality for a sub-class of BMO by estimating the corresponding mean oscillating distribution function via dyadic decomposition.
Hee Chul Pak
doaj   +1 more source

Sharp results in the integral-form John–Nirenberg inequality [PDF]

open access: yesTransactions of the American Mathematical Society, 2011
37 pages, 8 figures, final version; Trans. Amer. Math. Soc., Vol. 363, No. 8 (2011)
Slavin, L., Vasyunin, V.
openaire   +2 more sources

An improvement to the John-Nirenberg inequality for functions in critical Sobolev spaces

open access: yesAdvances in Nonlinear Analysis, 2020
It is known that functions in a Sobolev space with critical exponent embed into the space of functions of bounded mean oscillation, and therefore satisfy the John-Nirenberg inequality and a corresponding exponential integrability estimate.
Martínez Ángel D., Spector Daniel
doaj   +1 more source

John-Nirenberg Inequalities with Variable Exponents on Probability Spaces [PDF]

open access: yesTokyo Journal of Mathematics, 2015
Function spaces with variable exponents are widely studied, nowadays mainly in the Euclidean setting. The present paper deals with variable exponent function spaces within the framework of probability spaces. More precisely, the authors study John-Nirenberg type inequalities. Generalized Campanato martingale spaces \(\mathrm{BMO}_{\phi,Y}\), associated
WU, Lian, HAO, Zhiwei, JIAO, Yong
openaire   +3 more sources

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