Diffeomorphisms of manifolds with finite fundamental group
Georgia Triantafillou
math.GTarXiv:math/9407221
Abstract
We show that the group D(M) of pseudoisotopy classes of diffeomorphisms of a manifold of dimension ≥ 5 and of finite fundamental group is commensurable to an arithmetic group. As a result π0( Diff\,M) is a group of finite type.
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