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Tilings, Quasicrystals, Discrete Planes, Generalized Substitutions, and Multidimensional Continued Fractions

Abstract : The aim of this paper is to give an overview of recent results about tilings, discrete approximations of lines and planes, and Markov partitions for toral automorphisms.The main tool is a generalization of the notion of substitution. The simplest examples which correspond to algebraic parameters, are related to the iteration of one substitution, but we show that it is possible to treat arbitrary irrationalexamples by using multidimensional continued fractions.We give some non-trivial applications to Diophantine approximation, numeration systems and tilings, and we expose the main unsolved questions.
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Submitted on : Thursday, August 6, 2015 - 11:33:03 AM
Last modification on : Tuesday, March 30, 2021 - 3:19:05 AM
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Pierre Arnoux, Valerie Berthe, Hiromi Ei, Shunji Ito. Tilings, Quasicrystals, Discrete Planes, Generalized Substitutions, and Multidimensional Continued Fractions. Discrete Models: Combinatorics, Computation, and Geometry, DM-CCG 2001, 2001, Paris, France. pp.59-78, ⟨10.46298/dmtcs.2291⟩. ⟨hal-01182971⟩

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