A refined combination theorem for hierarchically hyperbolic groups

A refined combination theorem for hierarchically hyperbolic groups
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层次双曲群的精化组合定理

DOI:
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发表时间:
2018
期刊:
Groups, Geometry, and Dynamics
影响因子:
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通讯作者:
Bruno Robbio
Bruno Robbio
中科院分区:
--
文献类型:
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作者:
Federico Berlai;Bruno Robbio

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在这项工作中,我们考虑了分层双曲型空间和分层双曲群。我们的主要结果是Behrstock、Hagen和Sisto的一个组合定理的广泛推广。特别地,我们证明了分层双曲群的任一有限图乘积也是分层双曲群,从而回答了Behrstock、Hagen和Sisto提出的一个问题。为了在这种一般情况下进行运算,我们建立了一系列关于分层双曲空间和分层双曲空间(即此类空间之间的态射)的结构结果,并引入了分层双曲性的两个新概念,即具体性和交性,证明了它们在所有已知的例子中都是满足的。
In this work, we are concerned with hierarchically hyperbolic spaces and hierarchically hyperbolic groups. Our main result is a wide generalization of a combination theorem of Behrstock, Hagen, and Sisto. In particular, as a consequence, we show that any finite graph product of hierarchically hyperbolic groups is again a hierarchically hyperbolic group, thereby answering a question posed by Behrstock, Hagen, and Sisto. In order to operate in such a general setting, we establish a number of structural results for hierarchically hyperbolic spaces and hieromorphisms (that is, morphisms between such spaces), and we introduce two new notions for hierarchical hyperbolicity, that is concreteness and the intersection property, proving that they are satisfied in all known examples.
DOI: 10.48550/arxiv.1604.01061
发表时间: 2016
期刊: arXiv e-prints
影响因子: --
作者:
Durham Matthew G.
通讯作者: Durham Matthew G.
DOI: 10.1090/btran/50
发表时间: 2021
期刊: Series B
影响因子: --
作者:
Abbott, Carolyn;Behrstock, Jason;Durham, Matthew
通讯作者: Durham, Matthew
DOI: 10.2140/pjm.2019.299.257
发表时间: 2019-04-01
影响因子: 0.6
作者:
Behrstock, Jason;Hagen, Mark;Sisto, Alessandro
通讯作者: Sisto, Alessandro
DOI: 10.48550/arxiv.1609.01313
发表时间: 2016
期刊: arXiv e-prints
影响因子: --
作者:
Hagen Mark F
通讯作者: Hagen Mark F