Talk:5-manifolds: 1-connected
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Revision as of 13:47, 7 June 2010
Conjecture about mapping class groups of 1-connected 5-manifolds
Let be a closed, smooth, 1-connected 5-manifold, Matthias Kreck and Diarmuid Crowley conjecture that there is an isomorphism of abelian groups
where is the normal -type of as defined in [Kreck1999]. For example, if is Spinable with then
At present we are checking the details of the proof of this conjecture using the methods of [Kreck1999].
Diarmuid Crowley 10:02, 29 September 2009 (UTC)