Degree
Doctor of Philosophy (PhD)
Department
Department of Mathematics
Document Type
Dissertation
Abstract
Suppose $(\M,\xi)$ be an overtwisted contact 3-manifold. We prove that any Legendrian and transverse link in $(\M,\xi)$ having overtwisted complement can be coarsely classified by their classical invariants. Next, we defined an invariant called the support genus for transverse links and extended the definition of support genus of Legendrian knots to Legendrian links and prove that any coarse equivalence class of Legendrian and transverse loose links has support genus zero. Further, we show that the converse is not true by explicitly constructing an example. We also find a relationship between the support genus of the transverse link and its Legendrian approximation. As a corollary to this, we show that loose, null-homologous, transverse knots have support genus zero and also give a condition when non-loose Legendrian knots have non-loose transverse push offs.
Recommended Citation
Chatterjee, Rima, "Knots and Links in Overtwisted Contact Manifolds" (2021). LSU Doctoral Dissertations. 5467.
https://repository.lsu.edu/gradschool_dissertations/5467
Committee Chair
Vela-Vick, Shea
DOI
10.31390/gradschool_dissertations.5467