In this paper, we present a competition modei of e-commerce sites with the property of 'better for better'. Then we qualitatively analyze the special case of two dimensions. So we prove that there does not exi...In this paper, we present a competition modei of e-commerce sites with the property of 'better for better'. Then we qualitatively analyze the special case of two dimensions. So we prove that there does not exist limit cycle, in the first quadrant of the phase plane and all trajectories tend to some singular points.展开更多
基金Project supported by the Natural Science Foundation of China (No.10071097).
文摘In this paper, we present a competition modei of e-commerce sites with the property of 'better for better'. Then we qualitatively analyze the special case of two dimensions. So we prove that there does not exist limit cycle, in the first quadrant of the phase plane and all trajectories tend to some singular points.
