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Computing the Thurston–Bennequin invariant in open books |
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| Authors: | S Durst M Kegel M Klukas |
| Abstract: | We give explicit formulas and algorithms for the computation of the Thurston–Bennequin invariant of a nullhomologous Legendrian knot on a page of a contact open book and on Heegaard surfaces in convex position. Furthermore, we extend the results to rationally nullhomologous knots in arbitrary 3-manifolds. |
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