Uniform growth of groups acting on Cartan–Hadamard spaces
Uniform growth of groups acting on Cartan–Hadamard spaces
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作用于嘉当-哈达玛空间的群的均匀增长
DOI:
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发表时间:
2008
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通讯作者:
Sylvain Gallot
中科院分区:
文献类型:
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作者:
G. Besson;G. Courtois;Sylvain Gallot
In this paper we investigate the growth of finitely generated groups. We recall the definition of the algebraic entropy of a group and show that if the group is acting as a discrete subgroup of the isometry group of a Cartan�Hadamard manifold with pinched negative curvature then a Tits alternative is true. More precisely the group is either virtually nilpotent or has a uniform growth bounded below by an explicit constant.