. . . . . "Jacob Palis, Jr. (born 15 March 1940) is a Brazilian mathematician and professor. Palis' research interests are mainly dynamical systems and differential equations. Some themes are: Global stability and hyperbolicity, bifurcations, attractors and chaotic systems."@en . "Palis, Jacob"@en . . . . . . "1940-03-15Z"^^ . "Jacob Palis"@en . . . "1940Z"^^ . . . . . "Brazilian mathematician" . . .