L14_A
Poincar’e Bendixson Theorem
Ex : Lotka-Volterra predator-prey models
Method of proving existence of periodic solution
Ex : Van der Pol oscillator
Negative Bendixson criteria
Green’s theorem
Ex : Lotka-Volterra two species competition model
Dulac’s criteria
Ex : predator-prey system with holling tpye 2 functional response