Three variations on a theme by Fibonacci

Baake, Michael; Frank, Natalie Priebe and Grimm, Uwe (2021). Three variations on a theme by Fibonacci. Stochastics and Dynamics, 21(3), article no. 2140001.



Several variants of the classic Fibonacci inflation tiling are considered in an illustrative fashion, in one and in two dimensions, with an eye on changes or robustness of diffraction and dynamical spectra. In one dimension, we consider extension mechanisms of deterministic and of stochastic nature, while we look at direct product variations in a planar extension. For the pure point part, we systematically employ a cocycle approach that is based on the underlying renormalisation structure. It allows explicit calculations, particularly in cases where one meets regular model sets with Rauzy fractals as windows.

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