A family of meromorphic multivalent functions defined by a linear operator;

Skew - tripotent preserving linear operators from skew-symmetric matrix spaces to all matrix spaces;

Some properties of a bounded linear operator defined by a g-Bessel sequence;

On approximation by linear operators in reiteration interpolation spaces;

In Part one, the weighted approximation by the linear operators in classical spaces and approximation in Orlicz spaces are studied; In Part two, the approximation of multivariate linear operators is discussed.

The spectrum of unbounded linear operators was divided into different subsets by the different studying purposes.

In this paper,some multilinear operators related to the Littlewood-Paley operators are defined,and the weighted boundedness for the multilinear operators on some Block-Hardy spaces are obtained by using the atomic and block decomposition of the spaces.

The continuity for some multilinear operators related to certain convolution operators on the Triebel-Lizorkin space are obtained.

In this paper, we prove the endpoint boundedness for some multilinear operators related to certain non-convolution operators.

Several stabilities of nonlinear operators;

The Fréchet derivative of a nonlinear operator and its applications;

, Banach space X is uniformly convex and its module of convex (δX(ε)≥)cε~p (0<ε<2,0<c<1,p≥2) if and only if norm of X is satisfied with the inequality ‖(1-(t)x+)ty‖~p+cw(t)‖x-y‖~p≤(1-t)‖x‖~p+t‖y‖~p, x,y∈X, and t∈(0,1), w(t)=(t(1-)t)~p+(1-t)t~p, the authors obtained the convergence of Ishikawa iterative sequences for nonlinear operator.

Boundedness of sublinear operators on Herz-Morrey spaces;

The weak estimates for sublinear operators on weighted Herz spaces;

Boundedness of some sublinear operators and commutators on homogeneous Morrey-Herz spaces with non doubling measures

In this paper,based on classical Korovkin theorem on convergence of positive linear operators,a Korovkin type theorem and more convenient conditions are obtained.

By using of the method of multiplier-enlargement,this paper discusses the asymptotic estimation of approximation of multivariate unbounded continuous functions with positive linear operators,and gives general asymptotic formulae.

By applying the classical appropriate functions 1, x x2 to the method of multiplier- enlargement, this paper established a certain theorem to approximate any unbounded continuous functions by modified positive linear operators.