In this paper,the iteration xn+1 =any + (1 - αn)Tk(n)i(n)xn for a family of asymptotically nonexpansive mappings T1,T2,...,TN is originally introduced in an un
In this paper a nine-modes truncation of Navier-Stokes equations for a two-dimensional incompressible fluid on a torus is obtained.The stationary solutions,the
The design and development status of SmCo magnet blocks for two in-vacuum undulators (IVU20) at the SSRF with the same hybrid design has been described. By the