摘要
ＴＨＥＰＯＰＵＬＡＴＩＯＮＤＹＮＡＭＩＣＳＷＩＴＨＮ－ＩＮＴＥＲＳＥＣＴＩＯＮＳ￥ＧＵＯＢａｏｚｈｕ（ＤｅｐａｒｔｍｅｎｔｏｆＡｐｐｌｉｅｄＭａｔｈｅｍａｔｉｃｓＢｅｉｊｉｎｇＩｎｓｔｉｔｕｔｅｏｆＴｅｃｈｎｏｌｏｇｙ，Ｂｅｉｊｉｎｇ１０００８１，Ｃ...
In this paper, we consider a closed Population system with n-intersections. It is proved that there exists a critical fertility distribution which leads to the stable population state. The existence and uniqueness of the solution of a nonlinear system with logistic term are proved.
