Different versions of mapping class groups of surfaces.
Tue, 08/18/2009 - 11:53 — SomNambul
link: http://arxiv.org/abs/0908.2221
Abstract
Abstract
We give a short, mostly elementary and self-contained proof of the classical
result that the groups of diffeomorphisms, homeomorphisms, and homotopy
equivalences of a surface have the same group of connected components.
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