Activity

Journal

• Editorial Board of Yokohama Mathematical Journal (2022.11 -- current)
• Advisory Board of Mangalayatan Journal of Engineering and Technology (2025.8 -- current)

Committee

• Local Organizing Committee of The Asian Conference on Nonlinear Analysis and Optimization, Matsue, Japan, September 14-17,2008
• Local Organizing Committee of The 6th International Conference on Nonlinear Analysis and Convex Analysis, Tokyo, Japan, March 27-31, 2009
• Local Organizing Committee of The 8th International Conference on Nonlinear Analysis and Convex Analysis, Hirosaki, Japan, August 2-6, 2013
• Local Organizing Committee of The 5th Asian conference on Nonlinear Analysis and Optimization, Niigata, Japan, August 1-6, 2016.
• Local Organizing Committee of The 10th Anniversary Conference on Nonlinear Analysis and Convex Analysis, Hokkaido (Chitose), July 4-9, 2017.
• Local Organizing Committee of The 6th Asian conference on Nonlinear Analysis and Optimization, Okinawa, Japan, November 5-9, 2018.
• Local Organizing Committee of International Conference on Nonlinear Analysis and Convex Analysis & International Conference on Optimization: Techniques and Applications, Hakodate, Japan, August 26-31, 2019.