𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Existence of periodic solutions of planar systems with four delays

✍ Scribed by Zhang Zhengqiu; Wang Zhicheng


Book ID
107500459
Publisher
SP Editorial Committee of Applied Mathematics - A Journal of Chinese Universities
Year
2001
Tongue
English
Weight
357 KB
Volume
16
Category
Article
ISSN
1005-1031

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Existence of periodic solutions of plana
✍ Xiaojing Yang πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 301 KB

In thin paper, the existence of penodm solutions for the following nonhnear asymmetric oscillator, x' = a+y + -a-y-4-f (x,y,t), yl = \_b+x+ + b-x-4-g (x,y,t), is dmcussed, where a Β±, b Β± are pomtive constants satmfying

Periodic Solutions of Parabolic Systems
✍ C.V Pao πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 114 KB

Existence of maximal and minimal periodic solutions of a coupled system of parabolic equations with time delays and with nonlinear boundary conditions is discussed. The proof of the existence theorem is based on the method of upper and lower solutions and its associated monotone iterations. This met

Global Existence of Positive Periodic So
✍ Meng Fan; Ke Wang πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 92 KB

A set of easily verifiable sufficient conditions is derived for the global existence of periodic solutions with strictly positive components for a periodic predator-prey system with infinite delays by using the method of coincidence degree.