对系统(方程组)=-x-4x^2+6xy;=-ky-xy+y^2大范围全局分析

Large-Scale Global Analysis on System ■

对于推广的Lotke－Votena模型许多专家、学者在X≥0，y≥0范围内对该模型进行了完整的讨论．本文对上述模型的一种特殊模型作了较全面的定性分析，得到了该系统的11种不同的拓扑结构．

：As to extended Lotke-Votema modelSome experts and scholars discussed it Completely in the range of both x and y equal to or greater than Zero'The present artical gives an Overall qualitative analysis on a special model of the above,obtainning eleven different kinds of topolo-pical structure.