Mathematics – Combinatorics
Scientific paper
2010-09-26
Mathematics
Combinatorics
13 pages
Scientific paper
10.1016/j.aam.2010.11.006
In this paper, we provide a new characterization of uniformly recurrent words with finite defect based on a relation between the palindromic and factor complexity. Furthermore, we introduce a class of morphisms P_ret closed under composition and we show that a uniformly recurrent word with finite defect is an image of a rich (also called full) word under a morphism of class P_ret. This class is closely related to the well-known class P defined by Hof, Knill, and Simon; every morphism from P_ret is conjugate to a morphism of class P.
Balková Lubomíra
Pelantová Edita
Starosta Štěpán
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