A note on the existence of essential tribranched surfaces

作者：Friedl Stefan^*; Kitayama Takahiro; Nagel Matthias

来源：Topology and Its Applications, 2017, 225: 75-82.

DOI：10.1016/j.topol.2017.04.023

• 3-Manifolds
• Essential surfaces
• Open book decompositions

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.

• 出版日期2017-7-1