EXTRACTION OF OPTIMAL SUBSEQUENCES OF SEQUENCE OF BALLS, AND APPLICATION TO OPTIMALITY ESTIMATES OF MASS TRANSFERENCE PRINCIPLES - Archive ouverte HAL Access content directly
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EXTRACTION OF OPTIMAL SUBSEQUENCES OF SEQUENCE OF BALLS, AND APPLICATION TO OPTIMALITY ESTIMATES OF MASS TRANSFERENCE PRINCIPLES

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Abstract

In this article, we prove that from any sequence of balls whose associated limsup set has full µ-measure, one can extract a well-distributed subsequence of balls. From this, we deduce the optimality of various lower bounds for the Hausdorff dimension of limsup sets of balls obtained by mass transference principles. We also establish a version of Borel-Cantelli divergence lemma particulary suited for limsup set generated by balls. This lemma is very similar to the one proved by Bersnevich and Velani but the measure is not assumed ot be doubling.
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Dates and versions

hal-03626668 , version 1 (01-04-2022)
hal-03626668 , version 2 (06-07-2022)
hal-03626668 , version 3 (18-07-2022)

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Édouard Daviaud. EXTRACTION OF OPTIMAL SUBSEQUENCES OF SEQUENCE OF BALLS, AND APPLICATION TO OPTIMALITY ESTIMATES OF MASS TRANSFERENCE PRINCIPLES. 2022. ⟨hal-03626668v3⟩

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