Results 11 to 20 of about 868 (184)

The 'vulnerability paradox': how institutional legacies shaped Colombia's response to Venezuelan displacement. [PDF]

open access: yesDisasters
Abstract Colombia's response to Venezuelan displacement—driven by economic collapse, political instability, and humanitarian need—through the Temporary Protection Status programme has been praised internationally for its inclusive approach and positive effects on both migrants and host countries.
Fernández-Rodríguez N.
europepmc   +2 more sources

Variable λ-Central Morrey Space Estimates for the Fractional Hardy Operators and Commutators

open access: yesJournal of Mathematics, 2022
This paper aims to show that the fractional Hardy operator and its adjoint operator are bounded on central Morrey space with variable exponent. Similar results for their commutators are obtained when the symbol functions belong to λ-central bounded mean ...
Amjad Hussain, Muhammad Asim, Fahd Jarad
doaj   +1 more source

Exploiting an Elitist Barnacles Mating Optimizer implementation for substitution box optimization

open access: yesICT Express, 2023
Barnacles Mating Optimizer (BMO) is a new metaheuristic algorithm that suffers from slow convergence and poor efficiency due to its limited capability in exploiting the search space and exploring new promising regions. Addressing these shortcomings, this
Kamal Z. Zamli   +7 more
doaj   +1 more source

BMO and the John-Nirenberg Inequality on Measure Spaces

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   +1 more source

Duality and o − O-structure in non reflexive Banach spaces

open access: yesAtti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali, 2020
Let E be a Banach space with a supremum type norm induced by a collection of functionals ℒ ⊂ X* where X is a reflexive Banach space.
Luigi D'Onofrio   +2 more
doaj   +1 more source

BMO-Teichmüller spaces

open access: yesIllinois Journal of Mathematics, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cui, Guizhen, Zinsmeister, Michel
openaire   +3 more sources

End Point Estimate of Littlewood-Paley Operator Associated to the Generalized Schrödinger Operator

open access: yesJournal of Function Spaces, 2021
Let L=−Δ+μ be the generalized Schrödinger operator on ℝd,d≥3, where μ≠0 is a nonnegative Radon measure satisfying certain scale-invariant Kato conditions and doubling conditions.
Yanping Chen, Wenyu Tao
doaj   +1 more source

Large BMO spaces vs interpolation [PDF]

open access: yesAnalysis & PDE, 2015
In this paper we introduce a class of BMO spaces which interpolate with $L_p$ and are sufficiently large to serve as endpoints for new singular integral operators. More precisely, let $( , , )$ be a $ $-finite measure space. Consider two filtrations of $ $ by successive refinement of two atomic $ $-algebras $ _\mathrm{a}, _\mathrm{b}$ having
Conde-Alonso, Jose   +2 more
openaire   +3 more sources

Estimates for the commutators of operator Vα∇(−Δ+V)−β $V^{\alpha }\nabla (-\Delta +V)^{-\beta }$

open access: yesJournal of Inequalities and Applications, 2019
Let a function b belong to the space BMOθ(ρ) $\operatorname{BMO}_{\theta }(\rho )$, which is larger than the space BMO(Rn) $\operatorname{BMO}(\mathbb{R}^{n})$, and let a nonnegative potential V belong to the reverse Hölder class RHs $\mathit{RH}_{s ...
Yue Hu, Yueshan Wang
doaj   +1 more source

Stability and boundedness of regular solutions for a Sisko flow in an infinite annular porous space

open access: yesResults in Physics, 2023
The present article is intended to study the boundedness of solutions for an unsteady non-Newtonian flow, whose strain–stress relationship is provided by the Sisko fluid model.
José Luis Díaz Palencia   +3 more
doaj   +1 more source

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