Parabolic Muckenhoupt Weights with Time Lag on Spaces of Homogeneous Type with Monotone Geodesic Property

Juha Kinnunen, Kim Myyryläinen, Dachun Yang*, Chenfeng Zhu

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

This work discusses parabolic Muckenhoupt weights with time lag on spaces of homogeneous type with an extra monotone geodesic property. The main results include a characterization in terms of weighted norm inequalities for parabolic maximal operators, a reverse Hölder inequality, and a Jones-type factorization result for this class of weights. The connection between the space of parabolic bounded mean oscillation and parabolic Muckenhoupt weights is studied by applying a parabolic John–Nirenberg lemma. A Coifman–Rochberg-type characterization of the space of parabolic bounded mean oscillation in terms of parabolic maximal functions is also given. The main challenges in the parabolic theory are related to the time lag in the estimates. The results are motivated by the corresponding Euclidean theory and the regularity theory for parabolic variational problems on metric measure spaces.

Original languageEnglish
JournalPotential Analysis
DOIs
Publication statusE-pub ahead of print - 30 Aug 2023
MoE publication typeA1 Journal article-refereed

Keywords

  • Parabolic BMO
  • Parabolic maximal operator
  • Parabolic Muckenhoupt weight
  • Parabolic reverse Hölder inequality
  • Space of homogeneous type

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