On the homeomorphism groups of manifolds and their universal coverings |
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Authors: | Agnieszka Kowalik Tomasz Rybicki |
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Affiliation: | 1. Faculty of Applied Mathematics, University of Science and Technology, al. Mickiewicza 30, 30-059, Cracow, Poland
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Abstract: | Let H c (M) stand for the path connected identity component of the group of all compactly supported homeomorphisms of a manifold M. It is shown that H c (M) is perfect and simple under mild assumptions on M. Next, conjugation-invariant norms on H c (M) are considered and the boundedness of H c (M) and its subgroups is investigated. Finally, the structure of the universal covering group of H c (M) is studied. |
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