## L. Dufloux

created by dufloux on 10 Feb 2020

[BibTeX]

Preprint

Inserted: 10 feb 2020
Last Updated: 10 feb 2020

Year: 2019

ArXiv: 1901.07247 PDF

Abstract:

We state strong Marstrand properties for two related families of fractals in Heisenberg groups $\mathcal{H}^d$: limit sets of Schottky groups in good position, and attractors of self-similar IFS enjoying the open set condition in the quotient $\mathcal{H}^d/Z$. For such a fractal $X$, we show that the dimension of $\pi_x(X)$ does not depend on $x \in \mathcal{H}$, where $\pi_x$ denotes the radial projection along chains passing through $x$. This follows from a local entropy averages argument due to Hochman and Shmerkin.

Keywords: Hausdorff dimension, Marstrand Theorem

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