https://www.georgejpappas.org/wp-content/uploads/2024/04/Penn-Engineering-Logo-blue.png00Academic Web Pageshttps://www.georgejpappas.org/wp-content/uploads/2024/04/Penn-Engineering-Logo-blue.pngAcademic Web Pages2006-06-30 00:00:002006-06-30 00:00:00Approximate simulation relations for hybrid systems