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arXiv 1612.03022math.DS
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具有有限横LS范畴的紧叶理

Compact foliations with finite transverse LS category

Steven Hurder, Pawel G. Walczak

摘要:

证明了:若F是紧致流形M的一个叶状空间,且F的横截饱和范畴是有限的,则叶空间M/F是紧致Hausdorff的.这个证明令人惊讶地微妙,并且是基于对紧凑叶理几何形状的一些新观察。Colman在她1998年的博士论文中证明了紧致Hausdorff叶理的横饱和范畴总是有限的,从而得到了紧致叶理中的紧致Hausdorff叶理是具有有限横饱和范畴的叶理的一个新刻画.

英文摘要:

We prove that if F is a foliation of a compact manifold M with all leaves compact submanifolds, and the transverse saturated category of F is finite, then the leaf space M/F is compact Hausdorff. The proof is surprisingly delicate, and is based on some new observations about the geometry of compact foliations. Colman proved in her 1998 doctoral thesis that the transverse saturated category of a compact Hausdorff foliation is always finite, so we obtain a new characterization of the compact Hausdorff foliations among the compact foliations as those with finite transverse saturated category.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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