本刊英文版2009年52卷第8期摘要（英文）

The Cα regularity of a class of non-homogeneous ultra-parabolic equations WANG ;Construction of multiwavelets with high approximation or- der and symmetry;Construction of convex solutions for the second type of Feigenbaum＇s functional equations;Gabor systems on discrete periodic sets;Linear fractional composition operators on the Dirichlet space in the unit ball;