摘要
目的研究一类捕食与被捕食系统的平衡态方程。方法解耦和全局分歧理论等。结果得到了该系统正平衡解存在的充分条件。结论当捕食者的出生率在某一范围取值时,正平衡解存在。
Aim To study the steady-state equation of a kind of reaction-difussion equation modelling two species which are prey u and predator v inhabiting the same bounded region. Methods Using the decoupling and global bifurcation theory. Results A sufficient condition of the existence of positive solutions to the system is obtained. Conclusion Positive solutions exist when the birth-rate of the predator belongs to a range.
出处
《西北大学学报(自然科学版)》
CAS
CSCD
北大核心
2005年第6期680-682,共3页
Journal of Northwest University(Natural Science Edition)
基金
国家自然科学基金资助项目(10071048)
关键词
主特征值
最大值原理
全局分歧
principal eigenvalue
maximum principle
global bifurcation