Gilman R.H., Hermiller S., Holt D.F. — A characterisation of virtually free groups
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Название: A characterisation of virtually free groups
Авторы: Gilman R.H., Hermiller S., Holt D.F.
Аннотация:
We prove that a finitely generated group G is virtually free if and only if there exists a generating set for G and к > 0 such that all k-locally geodesic words with respect to that generating set are geodesic.
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