Projections of self-affine fractals

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Hauptverfasser: Morris, Ian, Sert, Cagri
Format: Preprint
Veröffentlicht: 2025
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author Morris, Ian
Sert, Cagri
author_facet Morris, Ian
Sert, Cagri
contents We extend Falconer's 1988 landmark result on the dimensions of self-affine fractals to encompass the dimensions of their projections, showing furthermore that their families of exceptional projections contain algebraic varieties which are preserved by the underlying linear algebraic group. The techniques which we develop allow us to construct examples of additional new phenomena: firstly, we give general examples of equilibrium measures on self-affine fractals which admit non-exact-dimensional projections. Secondly, we construct strongly irreducible self-affine sets which have small sumsets without any arithmetic resonance in their construction.
format Preprint
id arxiv_https___arxiv_org_abs_2502_04001
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Projections of self-affine fractals
Morris, Ian
Sert, Cagri
Dynamical Systems
Classical Analysis and ODEs
Metric Geometry
28A80 (primary), 37D35 (secondary)
We extend Falconer's 1988 landmark result on the dimensions of self-affine fractals to encompass the dimensions of their projections, showing furthermore that their families of exceptional projections contain algebraic varieties which are preserved by the underlying linear algebraic group. The techniques which we develop allow us to construct examples of additional new phenomena: firstly, we give general examples of equilibrium measures on self-affine fractals which admit non-exact-dimensional projections. Secondly, we construct strongly irreducible self-affine sets which have small sumsets without any arithmetic resonance in their construction.
title Projections of self-affine fractals
topic Dynamical Systems
Classical Analysis and ODEs
Metric Geometry
28A80 (primary), 37D35 (secondary)
url https://arxiv.org/abs/2502.04001