Limiting Conditions of Muckenhoupt and Reverse Hölder Classes on Metric Measure Spaces

Emma Karoliina Kurki*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
64 Downloads (Pure)

Abstract

The natural maximal and minimal functions commute pointwise with the logarithm on A. We use this observation to characterize the spaces A1 and RH on metric measure spaces with a doubling measure. As the limiting cases of Muckenhoupt Ap and reverse Hölder classes, respectively, their behavior is remarkably symmetric. On general metric measure spaces, an additional geometric assumption is needed in order to pass between Ap and reverse Hölder descriptions. Finally, we apply the characterization to give simple proofs of several known properties of A1 and RH, including a refined Jones factorization theorem. In addition, we show a boundedness result for the natural maximal function.

Original languageEnglish
Article number123
Pages (from-to)1-19
Number of pages19
JournalRESULTS IN MATHEMATICS
Volume78
Issue number4
DOIs
Publication statusPublished - Aug 2023
MoE publication typeA1 Journal article-refereed

Keywords

  • annular decay
  • Doubling metric space
  • Muckenhoupt weights
  • natural maximal function
  • reverse Hölder inequality

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