Volume 1, Number 2, August 2000
Contents
Norimichi Hirano and Naoki Shioji
Existence of periodic solutions under saddle point type conditions
Guzman Tierno
The paratingent space and a characterization of C 1-maps defined on arbitrary sets
Huynh Van Ngai, Dinh The Luc and Michel Thera
Approximate convex functions
Jean-Paul Penot and Michel Volle
Explicit solutions to Hamilton-Jacobi equations under mild continuity and convexity assumptions
Takashi Mitsuishi, Jun Kawabe, Katsumi Wasaki and Yasunari Shidama
Optimization of fuzzy feedback control determined by product-sum-gravity method
Sachiko Atsushiba, Anthony To-Ming Lau and Wataru Takahashi
Nonlinear strong ergodic theorems for commutative nonexpansive semigroups on strictly convex Banach spaces
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