<正>The objective of this paper is to investigate the consensus of the multi-agent systems with nonlinear coupling function and external disturbances.The distur
<正>We find that the Fokker-Planck equation in complex variables can be conveniently solved in the context of bipartite entangled state representation and its r
<正> The group classification is carried out on the nonlinear wave equation u_(tt)=f(x,u,u_x)u_(xx)+g(x,u,u_x)by using the preliminary group classification appr