On the critical dimensions of product odometers

Anthony H. Dooley, Genevieve Mortiss

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Mortiss introduced the notion of critical dimension of a non-singular action, a measure of the order of growth of sums of Radon derivatives. The critical dimension was shown to be an invariant of metric isomorphism; this invariant was calculated for two-point product odometers and shown to coincide, in certain cases, with the average coordinate entropy. In this paper we extend the theory to apply to all product odometers, introduce upper and lower critical dimensions, and prove a Katok-type covering lemma.
Original languageEnglish
Pages (from-to)475-485
JournalErgodic Theory and Dynamical Systems
Volume29
Issue number02
DOIs
Publication statusPublished - 1 Apr 2009

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