2014
DOI: 10.1017/etds.2014.81
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No semiconjugacy to a map of constant slope

Abstract: We study countably piecewise continuous, piecewise monotone interval maps. We establish a necessary and sufficient criterion for the existence of a non-decreasing semiconjugacy to a map of constant slope in terms of the existence of an eigenvector of an operator acting on a space of measures. Then we give sufficient conditions under which this criterion is not satisfied. Finally, we give examples of maps not semiconjugate to a map of constant slope via a non-decreasing map. Our examples are continuous and tran… Show more

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Cited by 9 publications
(20 citation statements)
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“…. , φ n : [0, 1] → (0, 1) be Lipschitz contractions, W 0 be the full set in the statement of Theorem 4.1 and Ω ′ n−1 be the set defined in (10).…”
Section: An Upper Bound For the Number Of Periodic Orbitsmentioning
confidence: 99%
“…. , φ n : [0, 1] → (0, 1) be Lipschitz contractions, W 0 be the full set in the statement of Theorem 4.1 and Ω ′ n−1 be the set defined in (10).…”
Section: An Upper Bound For the Number Of Periodic Orbitsmentioning
confidence: 99%
“…By Lemmas 5.2 and 5.3, the inequality (12) holds for every interval K. If K is a nondegenerate interval, then there is s such that f s (K) = X. Then, by (12), µ(K) > 0. Now we are ready to prove the existence of a fair measure.…”
Section: Piecewise Monotone Interval Mapsmentioning
confidence: 93%
“…The following lemma is well known, and is basically a special case of Lemma 4.1 of [12]. Notice that although formally in [12] the assumption is that the slope is constant, what is really used in the proof is only that it is larger than 2. Note also that in our terminology "piecewise" means piecewise with finitely many pieces.…”
Section: Now (14) Follows From (15) and (16)mentioning
confidence: 98%
“…Clearly f is countably Markov with partition set P . Moreover, f is topologically mixing as a consequence of [11,Theorem 5.4].…”
Section: An Examplementioning
confidence: 99%