Title of article :
Periodicity in a Delayed Ratio-Dependent
Predator–Prey System1
Author/Authors :
Meng Fan and Ke Wang، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2001
Abstract :
With the help of a continuation theorem based on Gaines and Mawhin’s coincidence
degree, easily verifiable criteria are established for the global existence of
positive periodic solutions of a delayed ratio-dependent predator–prey system in a
periodic environment.
Keywords :
Periodic Solutions , coincidencedegree. , ratio-dependent predator–prey system
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications