Supported by the National Natural Science Foundation of China (10771048);the Research Project for Post-Graduates Creation of Zhejiang Province (YK2008054)
This paper is concerned with optimal harvesting problems for a system consisting oftwo populations with age-structure and interaction of predator-prey. Existence and uniquenessof non-negative solutions to the system a...
Supported-by the National Natural Science Foundation of China(10471117);the Henan Innovation Project for University Prominent Research Talents(2005KYCX017);the Scientific Research Foundation of Education Ministry for the Returned Overseas Chinese Scholars
In this paper, a three dimensional ratio-dependent chemostat model with periodically pulsed input is considered. By using the discrete dynamical system determined by the stroboscopic map and Floquet theorem, an exact ...
Supported-by the Start-up Fund of Jimei University(ZB2004009)
In this paper, a nonlinear nonautonomous predator-prey dispersion model with continuous distributed delay is studied, where all parameters are time-dependent. In this system consisting of n-patches the prey species ca...
Supported by the NNSF of China( 10171044) the Foundation for University Key Teachers of the Ministry of Education of China .
A class of Beddington-DeAngelis' type predator-prey dynamic system with prey and predator both having linear density restriction is considered. By using the qualitative methods of ODE, the existence and uniqueness of...
Supported by important study project of the National Natural Science Foundation of China(9 0 2 1 1 0 0 4 ) ;and by the"Hundred Talents'Project"of Chinese Academy of Sciences
A class of nonlinear predator prey reaction diffusion systems for singularly pe rturbed problems are considered.Under suitable conditions, by using theory of di fferential inequalities the existence and asymptotic be...