“…The exact relationships among h E (X, T, x), h E (X, T ), and h top (X, T ) are not clear, but here are some results from [143].…”
Section: Palindrome Complexitymentioning
confidence: 86%
“…How about a definition in Z d ? 3.9 Nonrepetitive complexity and Eulerian entropy T. K. S. Moothathu [143] defined the nonrepetitive complexity function P N u of a sequence u on a finite alphabet A in terms of how long an initial block of u could be before it contained a repeat of a subblock of length n:…”
Bibliography 556. Every ergodic measure-preserving system is measure-theoretically isomorphic to a minimal Bratteli-Vershik system with a unique invariant Borel probability measure [179, 180].
“…The exact relationships among h E (X, T, x), h E (X, T ), and h top (X, T ) are not clear, but here are some results from [143].…”
Section: Palindrome Complexitymentioning
confidence: 86%
“…How about a definition in Z d ? 3.9 Nonrepetitive complexity and Eulerian entropy T. K. S. Moothathu [143] defined the nonrepetitive complexity function P N u of a sequence u on a finite alphabet A in terms of how long an initial block of u could be before it contained a repeat of a subblock of length n:…”
Bibliography 556. Every ergodic measure-preserving system is measure-theoretically isomorphic to a minimal Bratteli-Vershik system with a unique invariant Borel probability measure [179, 180].
“…The notion of initial nonrepetitive complexity was introduced independently by Moothatu [28] and Bugeaud and Kim [13]. Nicholson and Rampersad [29] examine the general properties of this function and determine it explicitly for certain words such as the Thue-Morse word, the Fibonacci word, and the Tribonacci word.…”
“…A dual function to R u was recently introduced by Moothathu [13] under the name non-repetitive complexity function nrC u . The value nrC u (n) is defined as the maximal m such that for some i ∈ N any factor of u of length n occurs at most once in u i u i+1 u i+2 • • • u i+m+n−2 .…”
The non-repetitive complexity nrC u and the initial non-repetitive complexity inrC u are functions which reflect the structure of the infinite word u with respect to the repetitions of factors of a given length. We determine nrC u for the Arnoux-Rauzy words and inrC u for the standard Arnoux-Rauzy words. Our main tools are S-adic representation of Arnoux-Rauzy words and description of return words to their factors. The formulas we obtain are then used to evaluate nrC u and inrC u for the d-bonacci word.
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