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J-GLOBAL ID：201301080009696959   Update date: Jan. 05, 2026

Araya Yousuke

アラヤ ヨウスケ | Araya Yousuke
Affiliation and department：
Akita Prefectural University Faculty of Systems Science and Technology

About Akita Prefectural University Faculty of Systems Science and Technology


Job title： Lecturer
Research field  (2)： Applied mathematics and statistics ,  Basic mathematics
Research keywords  (4)： robust optimization ,  Equilibrium problem ,  Set optimization ,  Vector optimization
Papers (23)：
  • Chu-Chin Hu, Yousuke Araya, Marko Kostić, Wei-Shih Du. On new coincidence point theorems with applications to simultaneous generalizations in fixed point theory. Journal of Nonlinear and Convex Analysis. 2025. 26. 11. 3027-3040
  • Yousuke Araya, Pradeep Kumar Sharma, Wei-Shih Du. Ekeland's variational principle for weighted set relation with set perturbation and application to game theory. Optimization. 2025. 74. 17. 4861-4880
  • Yousuke Araya. CONJUGATE DUALITY IN SET OPTIMIZATION WITH LATTICE STRUCTURE VIA SCALARIZATION. Optimization Eruditorum. 2025. 2. 1. 16-31
  • Yousuke Araya. Existence of set equilibria via Ekeland's variational principle. Nihonkai Mathematical Journal. 2024. 35. 1
  • Yosuke Araya, Wei-Shih Du. A new minimal element theorem and new generalizations of Ekeland's variational principle in complete lattice optimization problem. Positivity. 2024. 28. 5
ｍore...
MISC (25)：
  • Yousuke Araya, Wei-Shih Du. A new minimal element theorem and new generalizations of Ekeland's variational principle in complete lattice optimization problem. RIMS kokyuroku. 2025. 2323. 21-28
  • On non-cooperative n-person games with set payoffs. 2025. 2304. 32-42
  • 荒谷 洋輔. ベクトル空間の拡張と集合最適化問題. 京都大学数理解析研究所講究録. 2024. 2274. 100-109
  • 荒谷 洋輔. 集合最適化問題における非線形スカラー化手法:20年余の進展. 京都大学数理解析研究所講究録. 2023. 2242. 26-38
  • 爲島 海太, 木村 寛, 星野 満博, 荒谷 洋輔. Regret Robustnessの多次元への拡張. 京都大学数理解析研究所講究録. 2023. 2242. 14-25
ｍore...
Lectures and oral presentations  (7)：
  • ロバスト多目的最適化問題におけるスカラー化手法について
    (日本オペレーションズ・リサーチ学会 2023年春季研究発表会 2023)
  • 重み付き集合関係の順序構造について
    (日本オペレーションズ・リサーチ学会 2022年秋季研究発表会 2022)
  • 集合最適化問題における非線形スカラー化手法とその応用
    (日本オペレーションズ・リサーチ学会 2022年春季研究発表会 2022)
  • Conjugate duality in set optimization via nonlinear scalarization
    (International Conference on Nonlinear Analysis and Convex Analysis-International Conference on Optimization Techniques and Applications (NACA-ICOTA 2019) 2019)
  • Nonlinear scalarizations in set optimization problems
    (International Conference on Continuous Optimization (ICCOPT 2019) 2019)
ｍore...
Education (3)：
  • - 2008 Niigata University Graduate School, Division of Science and Technology
  • - 2004 Niigata University Graduate School, Division of Science and Technology
  • - 2002 Hirosaki University Faculty of Science and Engineering
Professional career (1)：
  • 博士(理学) (新潟大学)
Work history (8)：
  • 2017/04 - 現在 Akita Prefectural University Faculty of Systems Science and Technology, Department of Management Science and Engineering
  • 2015/04 - 2017/03 千葉工業大学 学習支援センター教員
  • 2010/04 - 2015/03 Ritsumeikan University
  • 2008/04 - 2010/03 Niigata University Graduate School of Science and Technology
  • 2008/04 - 2009/03 新潟大学・非常勤講師(全学教育機構・微分積分学)
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Committee career (3)：
  • 2022/08 - 2022/10 日本オペレーションズ・リサーチ学会 第34回RAMP数理最適化シンポジウム (RAMP 2022) 実行委員
  • 2018/01 - 2018/11 International Conference on Nonlinear Analysis and Optimization (NAO2018) Local organizing committee
  • 2017/05 - 2017/07 International Conference on Nonlinear Analysis and Convex Analysis (NACA2017) Local organizing committee
Association Membership(s) (2)：
Japan Industrial Management Association ,  The Operations Research Society of Japan
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