IONS OF HAMILTONIAN CONTROL SYSTEMS PAULO TABUADA AND GEORGE J. PAPPAS Abstra t. Given a ontrol system and a desired property, an abstra ted system is a redu ed system that preserves the property of interest while ignoring modeling detail. In previous work, we onsidered abstra tions of linear and analyti ontrol systems while preserving rea hability properties. In this paper we onsider the abstr...