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math.GT2009★ 2 cited
A note on the support norm of a contact structure
John A. Baldwin, John B. Etnyre
In this note we observe that the no two of the three invariants defined for contact structures by Etnyre and Ozbagci -- that is, the support genus, binding number and support norm…
math.GT2008★ 10 cited
Khovanov homology, open books, and tight contact structures
John A. Baldwin, Olga Plamenevskaya
We define the reduced Khovanov homology of an open book (S,h), and we identify a distinguished "contact element" in this group which may be used to establish the tightness or non-f…