<正> In this paper,using scalar feedback controller and stability theory of fractional-order systems,a gener-alized synchronization method for different fractio
<正> By virtue of the invariant eigen-operator method we search for the invariant eigen-operators for someHamiltonians describing nonlinear processes in particl
<正> On bases of the direct method developed by Clarkson and Kruskal [J.Math.Phys.27 (1989) 2201],the(2+1)-dimensional nonisospectral Kadomtsev-Petviashvili (KP