平静生活
发表于 2025-3-30 08:12:56
Neus Vilanova,Ilja Karina Voetsdels for this phenomenon, it is pointed out that in the model of Holt and Pickering (1985), where the disease-caused mortality is taken into account, all equilibria can be unstable simultaneously and a periodic solution can appear through Hopf bifurcation..Some infectious diseases can or have to tra