%0 Journal Article %T A Proof On Arnold Chord Conjecture In Cotangent Bundles %A Renyi Ma %J Mathematics %D 2003 %I arXiv %X We prove the Arnold chord conjecture on cotangent bundles of open manifold by Gromov's nonlinear Fredholm alternative for $J-$holomorphic curves. %U http://arxiv.org/abs/math/0309270v1