Editors

Founding Editors:
    Masaya Yamaguti (Deceased 1998)
    Masao Iri (Deceased 2018), Hiroshi Fujita, Sin Hitotumatu

Editor-in-Chief:
    Hisashi Okamoto
    Department of Mathematics, Gakushuin University, Tokyo, Japan

Advisers:
    Bernardo Cockburn
    School of Mathematics, University of Minnesota, Minneapolis, USA

    Kazuo Murota
    School of Statistical Thinking, The Institute of Statistical Mathematics, Tokyo, Japan

    Yuji Nakatsukasa
    Mathematical Institute, University of Oxford, Oxford, UK

    Daisuke Takahashi
    Department of Applied Mathematics, Waseda University, Tokyo, Japan

    Shao-Liang Zhang
    Department of Applied Physics, Nagoya University, Nagoya, Japan

Editors:
    Naoyuki Ishimura
    Faculty of Commerce, Chuo University, Tokyo, Japan

    Tetsuya Ishiwata
    Department of Mathematical Sciences, Shibaura Institute of Technology, Tokyo, Japan

    Shingo Iwami
    Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Japan

    Yukio Kan-on
    Faculty of Education, Ehime University, Matsuyama, Japan

    Keiichi Morikuni
    Institute of Systems and Information Engineering, University of Tsukuba, Tsukuba, Japan

    Sonoko Moriyama
    Department of Information Science, Nihon University, Tokyo, Japan

    Ken Naitoh
    Department of Applied Mechanics and Aerospace Engineering, Waseda University, Tokyo, Japan

    Shinji Nakaoka
    Division of Life Science, Graduate School of Life Science, Hokkaido University, Sapporo, Japan

    Hirofumi Notsu
    Faculty of Mathematics and Physics, Kanazawa University, Kanazawa, Japan

    Takeshi Ogita
    Faculty of Science and Engineering, Waseda University, Tokyo, Japan

    Toshiko Ogiwara
    Department of Mathematics, Josai University, Tokyo, Japan

    Norikazu Saito
    Graduate School of Mathematical Sciences, University of Tokyo, Tokyo, Japan

    Jun Sekine
    Department of Systems Innovation, Graduate School of Engineering Science, Osaka University, Suita, Japan

    Tomohiro Sogabe
    Department of Applied Physics, Nagoya University, Nagoya, Japan

    Katsuyuki Takashima
    Faculty of Education and Integrated Arts and Sciences, Waseda University, Tokyo, Japan

    Akihisa Tamura
    Department of Mathematics, Keio University, Tokyo, Japan

    Yusaku Yamamoto
    Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan

    Kazutoshi Yamazaki
    School of Mathematics and Physics, The University of Queensland, Brisbane, Australia

    Akiko Yoshise
    Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Japan

    Fumitaka Yura
    Department of Mathematical Engineering, Musashino University, Tokyo, Japan