The dimensions of inhomogeneous self-affine sets

Stuart Andrew Burrell, Jonathan MacDonald Fraser

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We prove that the upper box dimension of an inhomogeneous self-affine set is bounded above by the maximum of the affinity dimension and the dimension of the condensation set. In addition, we determine sufficient conditions for this upper bound to be attained, which, in part, constitutes an exploration of the capacity for the condensation set to mitigate dimension drop between the affinity dimension and the corresponding homogeneous attractor. Our work improves and unifies previous results on general inhomogeneous attractors, low-dimensional affine systems, and inhomogeneous self-affine carpets, while providing inhomogeneous analogues of Falconer’s seminal results on homogeneous self-affine sets.
Original languageEnglish
Article number313-324
JournalAnnales Academiae Scientiarum Fennicae-Mathematica
Volume45
Issue number1
Early online date23 Dec 2019
DOIs
Publication statusPublished - 2020

Keywords

  • Inhomogenous attractor
  • Self-affine set
  • Box dimension
  • Affinity dimension

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