no. 7
Geometric realization and coincidence for reducible non-unimodular Pisot tiling spaces with an application to β-shifts
[Représentation géométrique et coïncidence pour pavages associés à une substitution de type Pisot non-unimodulaire réductible avec une application aux beta-shifts]
Baker, Veronica1 ; Barge, Marcy1 ; Kwapisz, Jaroslaw1
1 Montana State University Department of Mathematical Sciences Bozeman MT 59717-2400 (USA)
Annales de l'Institut Fourier, Tome 56 (2006) no. 7, pp. 2213-2248.

Cet article est consacré à l’étude du flot de translation sur pavages auto-similaires associés à une substitution de type Pisot. Nous construisons une représentation géométrique et nous donnons les conditions nécessaires et suffisantes pour que le flot ait un spectre purement discret. Dans l’application, nous montrons que pour certains beta-shifts, l’extension naturelle est naturellement isomorphique à un automorphisme du tore.

This article is devoted to the study of the translation flow on self-similar tilings associated with a substitution of Pisot type. We construct a geometric representation and give necessary and sufficient conditions for the flow to have pure discrete spectrum. As an application we demonstrate that, for certain beta-shifts, the natural extension is naturally isomorphic to a toral automorphism.

DOI : 10.5802/aif.2238
Classification : 37B50, 11R06, 28D05
Keywords: Substitution, tilings, pure discrete spectrum spectrum, Pisot
Mot clés : substitution, pavages, spectre purement discret, Pisot
Baker, Veronica 1 ; Barge, Marcy 1 ; Kwapisz, Jaroslaw 1

1 Montana State University Department of Mathematical Sciences Bozeman MT 59717-2400 (USA) 
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     title = {Geometric realization and coincidence for reducible non-unimodular {Pisot} tiling spaces with an application to $\beta $-shifts},
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Baker, Veronica;  Barge, Marcy; Kwapisz, Jaroslaw. Geometric realization and coincidence for reducible non-unimodular Pisot tiling spaces with an application to $\beta $-shifts. Annales de l'Institut Fourier, Tome 56 (2006) no. 7, pp. 2213-2248. doi : 10.5802/aif.2238. http://www.numdam.org/articles/10.5802/aif.2238/

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