On the Hausdorff Measure of Shrinking Target Sets on Self-Conformal Sets

Demi D Allen*, Balázs Bárány

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

In this article, we study the Hausdorff measure of shrinking target sets on self-conformal sets. The Hausdorff dimension of the sets we are interested in here was established by Hill and Velani in 1995. However, until recently, little more was known about the Hausdorff measure of these particular sets. In this paper we provide a complete characterisation of the Hausdorff measure of these sets, obtaining a dichotomy for the Hausdorff measure which is determined by the convergence or divergence of a sum depending on the radii of our ``shrinking targets''. Our main result complements earlier work of Levesley, Salp, and Velani~(2007), and recent work of Baker (2019).
Original languageEnglish
JournalMathematika
Publication statusAccepted/In press - 21 May 2021

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