Rauzy fractals with countable fundamental group
Autor: | Jolivet, Timo, Loridant, Benoît, Luo, Jun |
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Rok vydání: | 2013 |
Předmět: | |
Zdroj: | Journal of Fractal Geometry 1 (2014), no. 4, 427-447 |
Druh dokumentu: | Working Paper |
DOI: | 10.4171/JFG/13 |
Popis: | We prove that every free group of finite rank can be realized as the fundamental group of a planar Rauzy fractal associated with a 4-letter unimodular cubic Pisot substitution. This characterizes all countable fundamental groups for planar Rauzy fractals. We give an explicit construction relying on two operations on substitutions: symbolic splittings and conjugations by free group automorphisms. Comment: 14 pages, v3 includes some corrections to match the published version |
Databáze: | arXiv |
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