Friday, 22 February, 2013 - 10:30
Prénom de l'orateur :
Vera
Nom de l'orateur :
Vertesi
Résumé :
Using the grid diagram formulation of knot Floer homology, Ozsvath, Szabo and Thurston defined an invariant of transverse knots in the tight contact 3-sphere. Shortly afterwards, Lisca, Ozsvath, Stipsicz and Szabo defined an invariant of transverse knots in arbitrary contact 3-manifolds using open book decompositions. It has been conjectured that these invariants agree where they are both defined. In this talk, I prove this fact by defining yet another invariant of transverse knots, showing that this third invariant agrees with the two mentioned above.
This is a joint work with John A. Baldwin and David Shea Vela-Vick.
Institution de l'orateur :
Université de Nantes
Thème de recherche :
Topologie
Salle :
04