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arXiv 2201.10765math.DSmath.OA
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左右圈积作用的连续轨道等效刚度

Continuous orbit equivalence rigidity for left-right wreath product actions

Yongle Jiang

摘要:

Drimbe和Vaes证明了可测环境下左右圈积作用的轨道等价超刚性定理。在连续轨道等价的拓扑条件下,我们建立了相应的结果。这给了我们最小的、拓扑自由的作用量,它们是连续的轨道等价超刚性的。证明的一个主要内容是证明某些广义全位移的连续上循环超刚性,扩展了我们以前与Chung的结果。

英文摘要:

Drimbe and Vaes proved an orbit equivalence superrigidity theorem for left-right wreath product actions in the measurable setting. We establish the counterpart result in the topological setting for continuous orbit equivalence. This gives us minimal, topologically free actions that are continuous orbit equivalence superrigid. One main ingredient for the proof is to show continuous cocycle superrigidity for certain generalized full shifts, extending our previous result with Chung.

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