David maps and Hausdorff Dimension

dc.creatorZakeri, S.
dc.date2002-12-07
dc.date.accessioned2026-07-07T04:53:36Z
dc.date.available2026-07-07T04:53:36Z
dc.descriptionDavid maps are generalizations of classical planar quasiconformal maps for which the dilatation is allowed to tend to infinity in a controlled fashion. In this note we examine how these maps distort Hausdorff dimension. We show \vs {enumerate} [$\bullet$] Given $α$ and $β$ in $[0,2]$, there exists a David map $ϕ:\CC \to \CC$ and a compact set $Λ$ such that $\Hdim Λ=α$ and $\Hdim ϕ(Λ)=β$. \vs [$\bullet$] There exists a David map $ϕ:\CC \to \CC$ such that the Jordan curve $Γ=ϕ(\Sen)$ satisfies $\Hdim Γ=2$.\vs {enumerate} One should contrast the first statement with the fact that quasiconformal maps preserve sets of Hausdorff dimension 0 and 2. The second statement provides an example of a Jordan curve with Hausdorff dimension 2 which is (quasi)conformally removable.
dc.description15 Pages, 5 figures
dc.identifierhttps://arxiv.org/abs/math/0212106
dc.identifierhttp://arxiv.org/abs/math/0212106
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/65918
dc.subjectDynamical Systems
dc.subjectComplex Variables
dc.subjectStony Brook IMS #2002/5
dc.titleDavid maps and Hausdorff Dimension
dc.typetext

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