数学研究
數學研究
수학연구
JOURNAL OF MATHEMATICAL STUDY
2004年
4期
338-346
,共9页
时滞%扩散%基于比率%重合度
時滯%擴散%基于比率%重閤度
시체%확산%기우비솔%중합도
time delay%diffusion%ratio-dependent%coincidence degree
研究一类具有时滞和基于比率的三种群捕食-食铒二斑块系统,利用重合度理论的连续定理建立了这类系统的周期解的存在性判据.
研究一類具有時滯和基于比率的三種群捕食-食鉺二斑塊繫統,利用重閤度理論的連續定理建立瞭這類繫統的週期解的存在性判據.
연구일류구유시체화기우비솔적삼충군포식-식이이반괴계통,이용중합도이론적련속정리건립료저류계통적주기해적존재성판거.
In this paper, a three-species ratio-dependent predator-prey diffusion model with time delay in a two-patch environment is studied. Using the continuation theorem of conincidence degree theory, the existence of a positive periodic solution for above model is established.
