A note on the existence of essential tribranched surfaces
A note on the existence of essential tribranched surfaces
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关于基本三支化表面存在性的注解
DOI:
10.1016/j.topol.2017.04.023
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Takahiro Kitayama and Matthias Nagel
中科院分区:
文献类型:
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作者:
Stefan Friedl;Takahiro Kitayama and Matthias Nagel
The second author and Hara introduced the notion of an essential tribranched surface that is a generalisation of the notion of an essential embedded surface in a 3-manifold. We show that any 3-manifold for which the fundamental group has at least rank four admits an essential tribranched surface.