Knot and braid invariants from contact homology I

Lenhard Ng

arxiv: math/0302099 · v4 · pith:FE57H4XVnew · submitted 2003-02-10 · 🧮 math.GT · math.SG

Knot and braid invariants from contact homology I

Lenhard Ng This is my paper

classification 🧮 math.GT math.SG

keywords contactinvariantsalgebrasbraidhomologyknotcertainclasses

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We introduce topological invariants of knots and braid conjugacy classes, in the form of differential graded algebras, and present an explicit combinatorial formulation for these invariants. The algebras conjecturally give the relative contact homology of certain Legendrian tori in five-dimensional contact manifolds. We present several computations and derive a relation between the knot invariant and the determinant.

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