2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68585We prove the Arnold chord conjecture on cotangent bundles of open manifold by Gromov's nonlinear Fredholm alternative for $J-$holomorphic curves.Symplectic GeometryA Proof On Arnold Chord Conjecture In Cotangent Bundlestext