A characterisation of virtually free groups
A characterisation of virtually free groups
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几乎自由群体的特征
DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
Sarah Rees
中科院分区:
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作者:
R. Gilman;S. Hermiller;D. Holt;Sarah Rees
Abstract.We prove that a finitely generated group G is virtually free if and only if there exists a generating set for G and k > 0 such that all k-locally geodesic words with respect to that generating set are geodesic.