Lecture 2 (video-conference)

22 Abril 2020, 14:30 • Maria Teresa Faria da Paz Pereira

The classical example x'(t)=-ax(t-r) (r>0,a in R) (continuation): necessary and sufficient condition for oscillation of all solutions. Some references and results for further reading.
Criteria for positivity and comparison of solutions for DDEs with one (or more) discrete delays and for distributed) delays: positivity and Smith's quasimonotone conditions.

This lecture took place on Tuesday, April 28, from 17h to 19h.