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The dimensions of inhomogeneous self-affine sets

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vol45pp0313_0324.pdf (524.3Kb)
Date
2020
Author
Burrell, Stuart Andrew
Fraser, Jonathan MacDonald
Keywords
Inhomogenous attractor
Self-affine set
Box dimension
Affinity dimension
QA Mathematics
T-NDAS
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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.
Citation
Burrell , S A & Fraser , J M 2020 , ' The dimensions of inhomogeneous self-affine sets ' , Annales Academiae Scientiarum Fennicae-Mathematica , vol. 45 , no. 1 , 313-324 . https://doi.org/10.5186/aasfm.2020.4516
Publication
Annales Academiae Scientiarum Fennicae-Mathematica
Status
Peer reviewed
DOI
https://doi.org/10.5186/aasfm.2020.4516
ISSN
1239-629X
Type
Journal article
Rights
Copyright © 2020 by Academia Scientiarum Fennica. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the final published version of the work, which was originally published at https://doi.org/10.5186/aasfm.2020.4516
Description
Funding: SAB thanks the Carnegie Trust for financially supporting this work. JMF was financially supported by a Leverhulme Trust Research Fellowship (RF-2016-500) and an EPSRC Standard Grant (EP/R015104/1).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/19325

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