Operator norm localization property of relative hyperbolic group and graph of groups

Operator norm localization property of relative hyperbolic group and graph of groups
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相对双曲群及群图的算子范数局部化性质

DOI:
10.1016/j.jfa.2008.04.022
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发表时间:
2008-08
影响因子:
1.7
通讯作者:
Chen, Xiaoman
Chen, Xiaoman
中科院分区:
数学1区
文献类型:
--
作者:
Wang, Xianjin;Chen, Xiaoman

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本文研究具有算子范数局部化性质的空间。本文证明了一个关于一个非线性生成子群集合{H1,.,Hn}为强双曲的非线性生成群Γ具有算子范数局部化性质当且仅当每个Hi,i= 1,2,.,n具有算子范数局部化性质.此外,我们证明了以下结果。设π是一个具有n-生成顶点群GP的连通有限群图的基本群。如果GP对所有顶点P都具有算子范数局部化性质,则π具有算子范数局部化性质。
In this article we study the spaces which have operator norm localization property. We prove that a finitely generated group Γ which is strongly hyperbolic with respect to a collection of finitely generated subgroups {H1,…,Hn} has operator norm localization property if and only if each Hi, i=1,2,…,n, has operator norm localization property. Furthermore we prove the following result. Let π be the fundamental group of a connected finite graph of groups with finitely generated vertex groups GP. If GPhas operator norm localization property for all vertices P then π has operator norm localization property.
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