<正> A new control law is proposed to asymptotically stabilize the chaotic neuron system based on LaSalleinvariant principle.The control technique does not requ
<正> The recurrence properties of random walks can be characterized by Polya number,i.e.,the probabilitythat the walker has returned to the origin at least once
<正> Based on the nuclear effects considered in the Glauber-Gribov approach,charmed meson production inhigh energy deep inelastic e+A scattering is investigated