
exact internal controllability for the semilinear heat equation 

sun bo,\ zhao yi mathematic department of zhongshan univeristy, guangzhou 510275, China 

On the Operator equations AX=XAX and AX=XA=XAX 

an guimei, bai zhaofang, du shuanping department of mathematics, shanxi teachars university, Linfen 041004, china 

Existence of Periodic Solutions to a Class of Secondorder Neutral Differential Difference Equations 

guo zhiming 1, xu yuantong 2 1.department of applied mathematics, hunan university, changsha 410082, china 2.department of mathematics, zhongshan university, guangzhou 510275, china 

Some New Fixed Point Theorems in Topological Spaces 

zhu jiang 1, li qichen 2 1.department of mathematics, xuzhou normal university xuzhou 221116, china 2.department of basic science, huaihai institue of technology, Lianyungang 222005, china 

Nonlinear Stability Theorem of Zonally Symmetric Quasigeostrophic Flow 

liu yongming, li na dept. Of math, east china normal university, shanghai 200062, China 

Energy Transport Model in Semiconductor Science 

chen li, xiao ling academy of mathematics and system sciences, cas, Beijing 100080, china 

The Exponential Attractors for Derivative Schr dingerBoussinesq Equations 

du xianyun department of math, mianyang normal college, mianyang 621000, ch Ina 

The Uniqueness of Solutions for a Kind of B.V.P. of Differential Equations 

han shuxia, duan zhiwen, zhou li department of mathematics, huazhong university of science And technology, wuhan 430074, china 

On Characteristics of Norm Continuous Semigroups on a Hilbert Space 

zhang lianping department of mathematics, shanxi university, taiyuan 030006, China 

A Fixed Point Theorem on Mixed Monotone Operators 

liang zhandong Mathematics department, shanxi university, taiyuan 030006, china; mathematics department, zhengzhou university, zhengzhou 450052, china 

Multiple Solutions for Superlinear Operator Equations in Ordered Banach Spaces and Its Applications 

zhang kemei 1, sun jingxian 2 1.department of mathematics, qufu normal university, qufu Shandong, 273165, china 2.department of mathematics, xuzhou normal university, xuzhou jiangsu, 221000, china 

Some Properties of Continuous Wavelet Transform and Wavelet Frame Operator 

wang gongbao 1, ma weiming 2, wu xusheng 2 1.dept of basic courses, naval univ of engineering, wuhan 430033, china 2.research inst of power electronic technique & application, naval univ of Engineering, wuhan 430033, china 

on The Solvability and Application of the Variational Inequalities Involving the Mapping of Type (M) 

fan ruiqin 1, he zhen 2 1.shijiazhuang railway institute, shijiazhuang 050000, china 2.department of mathematics, heibei university, baoding 071002, china 

on periodic solutions of nonautonomous lagrangian systems 

liu shuiqiang department of mathematics, shaoyang college, shaoyang 422000, china 

On the Invariant Subspaces for Sequentially Subdecomposable Operators 

liu mingxue department of mathematics, changsha university, changsha hunan 410003, china 

Existence of Multiple Positive Solutions for a Kind of Singular Bounary Value 

xu xian departmentof mathematics, xuzhou normal university, xuzhou 221116 , china 

Least Fixed Point Theorem for SetValued Mapping and Its Application 

kong xiu ying, wang yu wen department of mathematics, harbin normal university, harbin 150080, c Hina 