Sumários

Topological methods for periodic orbits

23 Outubro 2023, 11:00 Ana Maria Ribeiro Ferreira Nunes

Poincaré-Bendixon theorem: statement, proof and examples.


Problems

19 Outubro 2023, 17:30 Ana Maria Ribeiro Ferreira Nunes

Discussion of solved problems from the texbook end of chapter lists.


Limit cycles of planar systems

16 Outubro 2023, 11:00 Ana Maria Ribeiro Ferreira Nunes

Eamples from population dynamics.
Relaxation oscillations.


Problems

12 Outubro 2023, 17:30 Ana Maria Ribeiro Ferreira Nunes

Problems from Lynch chapter 2


Linear approximation for hyperbolic equilibria

9 Outubro 2023, 11:00 Ana Maria Ribeiro Ferreira Nunes

General solution of linear systems in arbitrary dimension.
Nonlinear systems in the plane. Hartman-Grobman theorem.
Phase portraits of planar systems: a few examples.