07:29
VII.1-2 Autonomous scalar problems
52:39
Competing species III (phase portrait)
We combine the information obtained in parts I and II to draw the phase portrait.
49:16
Closed orbits II and the Poincare-Bendixson…
Closed orbits II and the Poincare-Bendixson theorem
Duluc's criterion for the non-existence of closed orbits and the statement of the Poincare-Bendixson theorem followed by remarks.