Numeration systems, linear recurrences, and regular sets
Information and Computation
Bertrand numeration systems and recognizability
Theoretical Computer Science - Special issue: Latin American theoretical informatics
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Substitutions and interval exchange transformations of rotation class
Theoretical Computer Science
Automata, Languages, and Machines
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Applied Combinatorics on Words (Encyclopedia of Mathematics and its Applications)
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Representing real numbers in a generalized numeration system
Journal of Computer and System Sciences
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Abstract numeration systems and tilings
MFCS'05 Proceedings of the 30th international conference on Mathematical Foundations of Computer Science
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Using a genealogically ordered infinite regular language, we know how to represent an interval of R. Numbers having an ultimately periodic representation play a special role in classical numeration systems. The aim of this paper is to characterize the numbers having an ultimately periodic representation in generalized systems built on a regular language. The syntactical properties of these words are also investigated. Finally, we show the equivalence of the classical θ-expansions with our generalized representations in some special case related to a Pisot number θ.