内容：
Research Articles
1） C. Castaing
  Some various convergence results for normal integrands

2）S. Drapeau, M. Kupper, and R. Reda
A note on robust representations of law-invariant quasiconvex functions

3）T. Maruyama
On the Fourier analysis approach to the Hopf bifurcation theorem

4）P. Kocourek,W. Takahashi, and J.-C. Yao
Fixed point theorems and ergodic theorems for nonlinear mappings in Banach spaces

Historical Perspective
5）A. Yamazaki
On the perception and representation of economic quantity in the history of economic analysis in view of the Debreu
conjecture