1. The structure of symplectic groups over semi-local rings

   • Tang Xiangpu
   • An Jianbei

   OriginalPaper Pages: 1 - 15

2. Bounded harmonic maps

   • Yu Qihuang

   OriginalPaper Pages: 16 - 21

3. On the units of cubic and bicubic fields

   • Zhang Liangcheng

   OriginalPaper Pages: 22 - 34

4. On a class of second order partial differential operators of non-principal type

   • Huang Yumin

   OriginalPaper Pages: 35 - 40

5. St. Frunzâ's conjecture and strongly decomposable operators

   • Zou Chengzu
   • Sun Shanli

   OriginalPaper Pages: 41 - 46

6. Arithmetic characterization of algebraic number fields with class group given

   • Feng Keqin

   OriginalPaper Pages: 47 - 54

7. A class of nonlinear evolution equations solvable by the inverse spectral transform

   • Zhuang Dawei
   • Li Yishen

   OriginalPaper Pages: 55 - 71

8. A conditional result on goldbach problem

   • Wang Yuan
   • Shan Zun

   OriginalPaper Pages: 72 - 78

9. The construction of hyperbolic surfaces in 3 dimensional minkowski space and sinh-laplace equation

   • Hu Hesheng

   OriginalPaper Pages: 79 - 86

10. Periodic solutions for the semilinear spherical wave equation

    • Chang Kungching
    • Hong Chongwei

    OriginalPaper Pages: 87 - 97