Missing data mechanism often depends on the values of the responses,which leads to nonignorable nonresponses.In such a situation,inference based on approaches t
According to a program of Braverman, Kazhdan and Ng, for a large class of split unramified reductive groups G and representations ρ of the dual group G, the
By mapping the homogeneous coordinates of two points in space to the Plücker coordinates of the line they determine, any transformation of type SL(4) upon