Fibered Transverse Knots and the Bennequin Bound
Joint work with Jeremy Van Horn-Morris.
Preprint 2008
We prove that a nicely fibered link in a tight contact manifold $(M,\xi)$ with zero Giroux torsion has a transverse representative realizing the Bennequin bound if and only if the contact structure it supports (since it is also the binding of an open book) is $\xi.$ This gives a geometric reason for the non-sharpness of the Bennequin bound for fibered links. We also note that this allows the classification, up to contactomorphism, of maximal self-linking number links in these knot types.
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