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Left-orderable fundamental groups and Dehn surgery
Left-orderable fundamental groups Dehn surgery
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2010/12/9
There are various results that frame left-orderability of a group as a geometric property. Indeed, the fundamental group of a 3-manifold is left-orderable whenever the first Betti number is positive; ...
Surgery Diagrams for Contact 3-Manifolds
contact 3-manifold Legendrian link contact surgery spinc structure
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2010/2/26
In two previous papers, the two first-named authors introduced a notion of contact r-surgery along Legendrian knots in contact 3-manifolds. They also showed how (at least in principle) to convert any ...