Infinitely many virtual geometric triangulations
Infinitely many virtual geometric triangulations
复制标题
无限多个虚拟几何三角剖分
DOI:
10.1112/topo.12271
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发表时间:
2022
影响因子:
1.1
通讯作者:
Hoffman, Neil R.
中科院分区:
文献类型:
--
作者:
Futer, David;Hamilton, Emily;Hoffman, Neil R.
We prove that every cusped hyperbolic 3‐manifold has a finite cover admitting infinitely many geometric ideal triangulations. Furthermore, every long Dehn filling of one cusp in this cover admits infinitely many geometric ideal triangulations. This cover is constructed in several stages, using results about separability of peripheral subgroups and their double cosets, in addition to a new conjugacy separability theorem that may be of independent interest. The infinite sequence of geometric triangulations is supported in a geometric submanifold associated to one cusp, and can be organized into an infinite trivalent tree of Pachner moves.
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期刊:
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发表时间:
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期刊:
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