Fig. 11
From: The influence of density in population dynamics with strong and weak Allee effect
Region of positive solutions of (11) at \(t=50\) for diffusion coefficients a \(d=0.05\), b \(d=0.1\), and c \(d=0.153\), where \(K(x)=2.5+ \cos (\pi x)\), \(M(x)= 1.2+ \cos (\pi x)\) and \(r(x)=1.0\) on \(\Omega =(0,1)\), with initial density \(u_0=0.5\)