Supported by the Natural Science Foundation of Jiangsu Higher Education Institutions of China under Grant No 10KJB110001;the Program for Excellent Talents in Huaiyin Normal University(No 11HSQNZ01).
Applying the Fourier pseudospectral method to space derivatives and the symplectic Euler rule to time derivatives in the multisymplectic form of the Klein–Gordon–Zakharov equations,we derive an explicit multisymplec...