Positive Almost Periodic Solutions for a Time-Varying Fishing Model with Delay

Xia Li, Yongkun Li, Chunyan He
2011 International Journal of Differential Equations  
This paper is concerned with a time-varying fishing model with delay. By means of the continuation theorem of coincidence degree theory, we prove that it has at least one positive almost periodic solution.
doi:10.1155/2011/354016 fatcat:sokmrz623vdq7ctid4knnd4hky