Global and local boundedness of Polish groups

Global and local boundedness of Polish groups
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波兰群体的全局和局部界限

DOI:
10.1512/iumj.2013.62.5133
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发表时间:
2012
期刊:
arXiv: Functional Analysis
影响因子:
--
通讯作者:
Christian Rosendal
Christian Rosendal
中科院分区:
--
文献类型:
--
作者:
Christian Rosendal

文献摘要

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我们提出了一个全面的理论,波兰群的有界性,主要集中在Roelcke预紧性(下一致性的预紧性)和性质(OB)(可分度量空间上的所有等距作用的有界性)。特别是,这些属性的特点是轨道结构的等距行动的度量空间和等距或连续仿射表示可分Banach空间。
We present a comprehensive theory of boundedness properties for Polish groups developed with a main focus on Roelcke precompactness (precompactness of the lower uniformity) and Property (OB) (boundedness of all isometric actions on separable metric spaces). In particular, these properties are characterised by the orbit structure of isometric actions on metric spaces and isometric or continuous affine representations on separable Banach spaces.