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J-GLOBAL ID：201801006041537759   Update date: Dec. 09, 2024

Okuno Takayuki

オクノタカユキ | Okuno Takayuki
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Affiliation and department：
Seikei University Faculty of Science and Technology Department of Science and Technology

About Seikei University Faculty of Science and Technology Department of Science and Technology


Job title： Associate Professor
Homepage URL  (1)： https://sites.google.com/view/takaoku-web-page/english-page?authuser=0
Research field  (1)： Mathematical informatics
Research keywords  (5)： Semi-infinite Optimization ,  Concic Optimization ,  Mathematical Programming ,  Continuous optimization ,  Optimization
Research theme for competitive and other funds  (3)：
  • 2020 - 2024 Theory and algorithms for ill-conditioned conic linear programming
  • 2020 - 2024 Development of nonlinear semidefinite optimization theory and application to machine learning
  • 2015 - 2019 錐制約をもつ半無限計画問題に対するアルゴリズムの高速化と諸問題への応用
Papers (25)：
  • Naoki Marumo, Takayuki Okuno, Akiko Takeda. Accelerated-gradient-based generalized Levenberg-Marquardt method with oracle complexity bound and local quadratic convergence. Mathematical Programming. 2024
  • Takashi Tsuchiya, Bruno F. Lourenço, Masakazu Muramatsu, Takayuki Okuno. Closing duality gaps of SDPs completely through perturbation when singularity degree is one. Optimization Methods and Software. 2024. 39. 5. 1040-1067
  • Jan Harold Alcantara, Chieu Thanh Nguyen, Takayuki Okuno, Akiko Takeda, Jein-Shan Chen. Unified Smoothing Approach for Best Hyperparameter Selection Problem Using a Bilevel Optimization Strategy. Mathematical Programming. 2024. 1-40
  • Takayuki Okuno. Local convergence of primal-dual interior point methods for nonlinear semi-definite optimization using the family of Monteiro-Tsuchiya directions. Computational Optimization and Applications. 2024
  • Mitsuaki Obara, Kazuhiro Sato, Takayuki Okuno, Akiko Takeda. Stable Linear System Identification with Prior Knowledge by Riemannian Sequential Quadratic Optimization. IEEE Transactions on Automatic Control. 2023. 1-8
ｍore...
MISC (4)：
  • Adachi, Sho, Okuno, Takayuki, Takeda, Akiko. Riemannian Levenberg-Marquardt Method with Global and Local Convergence Properties. arXiv preprint arXiv:2210.00253. 2022
  • Takayuki Okuno. Analysis of the primal-dual central path for nonlinear semidefinite optimization without the nondegeneracy condition. arXiv preprint arXiv:2210.00838. 2022
  • M. Muramatsu, T. Kitahara, B. F. Loureco, T. Okuno, T. Tsuchiya. An oracle-based projection and rescaling algorithm for linear semi-infinite feasibility problems and its application to SDP and SOCP. arXiv preprint arXiv:1809.10340. 2018
  • Okuno Takayuki, Hayashi Shunsuke, Fukushima Masao. Optimality Conditions and Algorithms for Semi-Infinite Programs with an Infinite Number of Second-Order Cone Constraints (The evolution of optimization models and algorithms). RIMS Kokyuroku. 2011. 1726. 161-171
Books (2)：
  • A Bayesian and OPtimization Perspective, 2nd Edition
    2022
  • 理工系の基礎 情報工学
    丸善出版 2018
Lectures and oral presentations  (14)：
  • A bilevel approach to l q hyperpa- rameter optimization
    (nternational Conference on Nonlinear Analysis and Convex Analysis International Conference on Optimization Techniques and Applications 2019)
  • Smoothing Newton method for l q hyperparameter optimization
    (The PolyU AMA - RIKEN AIP Joint Workshop on Optimization and Machine Learning 2019)
  • Hyperparameter learning for sparse l p regularizers via nonsmooth bilevel op- timization
    (019 Optimization Workshop Department of Mathematics 2019)
  • 微分不可能な2段階最適化を用いたハイパーパラメータ学習について
    (第21回情報論的学習理論ワークショップ 2018)
  • 微分不可能な2段階最適化を用いたハイパーパラメータ選択に ついて
    (日本オペレーションズ・リサーチ学会2018年秋季研究発表 2018)
ｍore...
Education (1)：
  • 2008 - 2013 京都大学大学院 情報学研究科 数理工学専攻
Professional career (1)：
  • 博士(情報学) (京都大学)
Work history (4)：
  • 2022/04 - 2022/04 Seikei University Faculty of Science and Technology Associate Professor
  • 2022/04 - 現在 Seikei University Faculty of Science and Technology Department of Science and Technology Associate Professor
  • 2017/07 - 2022/03 理化学研究所 革新知能統合研究センター 研究員
  • 2013/04 - 2017/06 Tokyo University of Science Management Science, Faculty of Engineering
Awards (2)：
  • 2015/08 - 日本オペレーションズ・リサーチ学会 研究賞奨励賞
  • 2010/08 - 日本オペレーションズリサーチ学会 学生論文賞
Association Membership(s) (2)：
日本オペレーションズリサーチ学会 ,  日本応用数理学会
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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