It is proved that the group Diff^k(X) of all C^k-diffeomorphisms of a given C^k-manifold X(k=1,2,...,inf) includes a non-trivial arcwise connected with respect to the Whitney C^k-topology free subgroup which consists (except for the identity) of diffeomorphisms which embed in no flow. It is also proved that for each sequence of elements of Diff^k(X) there are diffeomorphisms arbitrarily close to the given ones which freely generate a subgroup in Diff^k(X).
CITATION STYLE
Grabowski, J. (1988). Free subgroups of diffeomorphism groups. Fundamenta Mathematicae, 131(2), 103–121. https://doi.org/10.4064/fm-131-2-103-121
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