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 Pages2014-12-30 00:00:002014-12-30 00:00:00Stability analysis of generalized epidemic models over directed networks