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Universal minimal flows of homeomorphism groups of high-dimensional manifolds are not metrizable
Mathematische Annalen ( IF 1.3 ) Pub Date : 2021-01-30 , DOI: 10.1007/s00208-021-02146-1
Yonatan Gutman , Todor Tsankov , Andy Zucker

Answering a question of Uspenskij, we prove that if X is a closed manifold of dimension 2 or higher or the Hilbert cube, then the universal minimal flow of \({\text {Homeo}}(X)\) is not metrizable. In dimension 3 or higher, we also show that the minimal \({\text {Homeo}}(X)\)-flow consisting of all maximal, connected chains in X has meager orbits.



中文翻译:

高维流形的同胚群的通用最小流是不可度量的

回答Uspenskij的问题,我们证明如果X是维数为2或更高的闭合流形或Hilbert立方体,则\({\ text {Homeo}}(X)\)的通用最小流是不可度量的。在尺寸为3或更高,我们还表明,最小\({\文本{Homeo}}(X)\) -flow由所有最大的,在连接链X具有微薄轨道。

更新日期:2021-01-31
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