2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/223161We summarize recent work on a combinatorial knot invariant called knot contact homology. We also discuss the origins of this invariant in symplectic topology, via holomorphic curves and a conormal bundle naturally associated to the knot.This is the version published by Geometry & Topology Monographs on 22 April 2006Symplectic GeometryMathematical PhysicsGeometric Topology57M27, 53D40, 81T30text