<正> In the literature about mesoscopic Josephson devices the magnetic flux is considered as an operator,thefundamental commutative relation between the magneti
【正】 Based on the generalized Riccati relation,an algebraic method to construct a series of exact solutionsto nonlinear evolution equations is proposed.Being
<正> It is shown that the cortical brain network of the macaque displays a hierarchically clustered organizationand the neuron network shows small-world propert
<正> A spherical Kadomtsev-Petviashvili (SKP) equation for dust acoustic or ion-acoustic waves is studied.Sim-ilarity reductions of the SKP equation are obtaine