GLOBAL ATTRACTIVITY IN A PERIODIC DELAY SINGLE SPECIES MODEL  

作　　者：LI Yong kun (Department of Mathematics, Yunnan University, Kunming 650091, China) 

出　　处：《Systems Science and Mathematical Sciences》2000年第1期1-6,共6页

摘　　要：1.IntroductionGopalsamyandLadajs[1]illtroducedthefollowingdelayLotka-Volterratypesinglespeciespopulationgrowthmodel:wherea,b,ctTarerealconstants,anda>0,c>0,T20.Ifa>0,b<0andc=0,then(1.1)reducestotheLogisticequation.Ifb>0,(l.1)exhibitstheso--calledAlic...In this paper, we establish the existence of a positive periodic solution for a periodic delay single species population growth model, and obtain sufficient conditions for the periodic solution to be globally attractive.

关 键 词：Single SPECIES POPULATION growth POSITIVE PERIODIC solution global ATTRACTIVITY foedholm mapping. 

分 类 号：C921[社会学—人口学]