On local aspects of topological weak mixing in dimension one and beyond
On local aspects of topological weak mixing in dimension one and beyond
复制标题
一维及更高维拓扑弱混合的局部方面
DOI:
10.4064/sm202-3-4
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发表时间:
2011
影响因子:
0.8
通讯作者:
Oprocha, Piotr
中科院分区:
文献类型:
--
作者:
Zhang, Guohua;Oprocha, Piotr
We introduce the concept of weakly mixing sets of order n and show that, in contrast to weak mixing of maps, a weakly mixing set of order n does not have to be weakly mixing of order n + 1. Strictly speaking, we construct a minimal invertible dynamical system which contains a non-trivial weakly mixing set of order 2, whereas it does not contain any non-trivial weakly mixing set of order 3. In dimension one this difference is not that much visible, since we prove that every continuous map f from a topological graph into itself has positive topological entropy if and only if it contains a non-trivial weakly mixing set of order 2 if and only if it contains a non-trivial weakly mixing set of all orders.
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影响因子:
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