Catching small sets under Flows
Martin H. Ellis, J. Michael Steele (1979)
Annales de l'I.H.P. Probabilités et statistiques
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Martin H. Ellis, J. Michael Steele (1979)
Annales de l'I.H.P. Probabilités et statistiques
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J. Michael Steele (1989)
Annales de l'I.H.P. Probabilités et statistiques
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Robert J. Zimmer (1982)
Publications Mathématiques de l'IHÉS
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Mahesh Nerurkar (2000)
Colloquium Mathematicae
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We construct continuous G-valued cocycles that are not cohomologous to any compact constant via a measurable transfer function, provided the underlying dynamical system is rigid and the range group G satisfies a certain general condition. For more general ergodic aperiodic systems, we also show that the set of continuous ergodic cocycles is residual in the class of all continuous cocycles provided the range group G is a compact connected Lie group. The first construction is based on...
Lian Shen (2004)
Annales de l'I.H.P. Probabilités et statistiques
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Dang-Ngoc-Nghiem (1973)
Annales de l'I.H.P. Probabilités et statistiques
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Ilya Grigoriev, Marius Cătălin Iordan, Amos Lubin, Nathaniel Ince, Cesar E. Silva (2012)
Colloquium Mathematicae
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We introduce the notion of W-measurable sensitivity, which extends and strictly implies canonical measurable sensitivity, a measure-theoretic version of sensitive dependence on initial conditions. This notion also implies pairwise sensitivity with respect to a large class of metrics. We show that nonsingular ergodic and conservative dynamical systems on standard spaces must be either W-measurably sensitive, or isomorphic mod 0 to a minimal uniformly rigid isometry. In the finite measure-preserving...