Stretches across for chaos

Ming-Chia Li*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

In 2001, Kennedy et al. [Amer. Math. Mon. 108, 411-423 (2001) and Trans. Amer. Math. Soc. 353, 2513-2530 (2001)] showed a chaos lemma and stated the pseudoconjecture "stretches across implies existence of an invariant set." In this paper, we give a suitable definition of stretches across in topological sense so that the conjecture has an affirmative answer. More precisely, we show that there must be an orbit through a sequence of stretches across. In particular, a closed loop of stretches across implies existence of a periodic orbit. We also give the geometric meaning of stretches across and its relation with the global implicit function theorem.

Original languageEnglish
Article number053127
JournalChaos
Volume29
Issue number5
DOIs
StatePublished - 1 May 2019

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