Talk:1-manifolds
From Manifold Atlas
Revision as of 09:52, 17 April 2013 by Diarmuid Crowley (Talk | contribs)
There is also a vaste theory for infinite group actions on the circle, see this paper of Ghys at Gabi Ben Simon's homepage. Moreover, in the context of foliation theory people studied group actions on non-Hausdorff 1-manifolds.