M. Shub, B. Weiss
Ergodic Theory and Dynamical Systems
We give examples of homeomorphisms which are topologically 1-mixing but not topologically 2-mixing. One is a subshift and the other is a diffeomorphism of the torus. © 1978 American Mathematical Society.
M. Shub, B. Weiss
Ergodic Theory and Dynamical Systems
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George Markowsky
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