Interaction between Dark Matter and Dark Energy and the Cosmological Coincidence Problem

Table 3

The properties of the critical points.

Point	Existence	Stability
		Saddle point			No
		Stable node for left panel of Figure 2; (blue shaded region); stable spiral for left panel of Figure 2; (green shaded region)	1	−1	1
		Stable spiral for right panel of Figure 2	1	−1	1
		Saddle point	0