| Mar 7, 2024 | Huimin Li (Co-authors: Yuya Yamakawa, Ellen H. Fukuda) |
| A strong second-order optimality condition for nonlinear semidefinite optimization | |
| Operations Research Society of Japan - Spring Conference (Ibaraki) | |
| Mar 4, 2024 | Hardik Tankaria (Co-author: Nobuo Yamashita) |
| Reducing variance of stochastic gradient using Barzilai-Borwein method as second-order information | |
| Japan Society for Industrial and Applied Mathematics - Annual Meeting 2024 (Niigata) | |
| Mar 4, 2024 | Kangming Chen (Co-authors: Hiroyuki Sato, Ellen H. Fukuda) |
| Multiobjective proximal gradient methods on Riemannian manifolds | |
| Japan Society for Industrial and Applied Mathematics - Annual Meeting 2024 (Niigata) |
| Nov 23, 2023 | Chihaya Ogawa (Co-author: Ellen H. Fukuda) |
| 下位レベルの問題が多⽬的な2レベル最適化問題について (in Japanese) | |
| ORSJ Kansai Region Young Researchers Meeting 2023 (Osaka) | |
| Nov 23, 2023 | Ryusei Nagai (Co-authors: Yuya Yamakawa, Nobuo Yamashita) |
| 楕円体を⽤いたクラス分類モデルの提案 (in Japanese) | |
| ORSJ Kansai Region Young Researchers Meeting 2023 (Osaka) | |
| Nov 23, 2023 | Yuki Kawabata (Co-authors: Ellen H. Fukuda, Yuya Yamakawa) |
| ロバスト多⽬的最適化問題に対する降下法の改善 (in Japanese) | |
| ORSJ Kansai Region Young Researchers Meeting 2023 (Osaka) | |
| Nov 23, 2023 | Ken Ito (Co-author: Ellen H. Fukuda) |
| Experiment design へのベクトル最適化の適⽤ (in Japanese) | |
| ORSJ Kansai Region Young Researchers Meeting 2023 (Osaka) | |
| Sep 15, 2023 | Kangming Chen (Co-authors: Hiroyuki Sato, Ellen H. Fukuda) |
| Nonlinear conjugate gradient method for vector optimization on Riemannian manifolds | |
| Operations Research Society of Japan - Fall Conference (Hyogo) | |
| Aug 29, 2023 | Kangming Chen (Co-authors: Hiroyuki Sato, Ellen H. Fukuda) |
| Nonlinear conjugate gradient method for vector optimization on Riemannian manifolds | |
| RIMS Symposium: Theory and Practice of Mathematical Optimization (Kyoto) | |
| Aug 23, 2023 | Kangming Chen (Co-authors: Hiroyuki Sato, Ellen H. Fukuda) |
| Nonlinear conjugate gradient method for vector optimization on Riemannian manifolds | |
| 10th International Congress on Industrial and Applied Mathematics (Tokyo) | |
| Aug 21, 2023 | Hardik Tankaria (Co-author: Nobuo Yamashita) |
| A stochastic variance reduced gradient using second order information | |
| 10th International Congress on Industrial and Applied Mathematics (Tokyo) | |
| Mar 7, 2023 | Yuki Nishimura (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する加速付き近接勾配法の改良 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Tokyo) |
| Dec 4, 2022 | Hardik Tankaria (Co-authors: Nobuo Yamashita, Dinesh Singh, Makoto Yamada) |
| Nys-LMN: Nyström Levenberg-Marquardt-type Newton | |
| International Workshop on Continuous Optimization (online) | |
| Dec 4, 2022 | Kangming Chen (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| A proximal gradient method with Bregman distance in multi-objective optimization | |
| International Workshop on Continuous Optimization (online) | |
| Dec 3, 2022 | Atsushi Hori (Co-author: Nobuo Yamashita) |
| Two-stage distributionally robust noncooperative games: Existence of Nash equilibrium and its application to Cournot-Nash competition | |
| International Workshop on Continuous Optimization (online) | |
| Oct 29, 2022 | Mitsutaka Yamada (Co-author: Hiroyuki Sato) [Excellent Presentation Award] |
| シンプレクティックシュティーフェル多様体上の共役勾配法 (in Japanese) | |
| ORSJ Kansai Region Young Researchers Meeting 2022 (Osaka, hybrid) | |
| Oct 29, 2022 | Kohdai Nagashio (Co-author: Nobuo Yamashita) |
| 新しい時系列間距離の提案とその応用 (in Japanese) | |
| ORSJ Kansai Region Young Researchers Meeting 2022 (Osaka, hybrid) | |
| Sep 14, 2022 | Atsushi Hori (Co-author: Nobuo Yamashita) |
| 2段階分布的ロバスト確率非協力ゲームにおける均衡解の存在性とクールノー競争への応用 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Niigata, hybrid) | |
| Sep 8, 2022 | Shumpei Ariizumi (Co-authors: Yuya Yamakawa, Nobuo Yamashita) |
| 正則化項を一般化した Levenberg-Marquardt 法とその収束性 (in Japanese) | |
| Japan Society for Industrial and Applied Mathematics - Annual Meeting 2022 (Hokkaido, hybrid) | |
| Jun 12, 2022 | Kosuke Okabe (Co-authors: Yuya Yamakawa, Ellen H. Fukuda) |
| 非線形半正定値計画問題に対する逐次二次半正定値計画法の改良 (in Japanese) | |
| Seminars on Optimization Methods and Algorithms (SOMA): Young Researchers Meeting 2022 (Tokyo) | |
| Mar 18, 2022 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する加速付き近接勾配法におけるステップ幅の一般化と点列の収束性について (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Gunma, online) | |
| Mar 17, 2022 | Atsushi Hori |
| 2段階分布的ロバストCournot-Nash均衡問題と均衡解の存在性 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Gunma, online) | |
| Mar 10, 2022 | Atsushi Hori |
| 2段階分布的ロバストCournot-Nash均衡問題と均衡解の存在性 (in Japanese) | |
| JSIAM Activity Group on Young Researchers - 7th Conference (online) |
| Out 17, 2021 | Keigo Habara (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| ベクトル値SVMとその数値解法 (in Japanese) | |
| SSOR2021 Kansai Region (online) | |
| Out 16, 2021 | Kosuke Okabe (Co-authors: Yuya Yamakawa, Ellen H. Fukuda) |
| 非線形半正定値計画問題に対する逐次二次半正定値計画法の改良 (in Japanese) | |
| SSOR2021 Kansai Region (online) | |
| Out 16, 2021 | Atsushi Hori (Co-authors: Yuya Yamakawa, Nobuo Yamashita) [Excellent Presentation Award] |
| 確率変分不等式問題に対する分布的ロバスト期待残差最小化 (in Japanese) | |
| SSOR2021 Kansai Region (online) | |
| Aug 19, 2021 | Shota Yamanaka (Co-author: Nobuo Yamashita) |
| 正斉次関数を含む最適化問題に対する双対性とその応用について (in Japanese) | |
| RIMS Symposium: Advances in the theory and application of mathematical optimization (Kyoto, online) | |
| Jul 23, 2021 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| An accelerated proximal gradient method for multiobjective optimization | |
| SIAM Conference on Optimization 2021 (online) | |
| Jul 21, 2021 | Atsushi Hori (Co-authors: Yuya Yamakawa, Nobuo Yamashita) |
| Distributionally robust expected residual minimization for stochastic variational inequalities | |
| SIAM Conference on Optimization 2021 (online) | |
| Mar 8, 2021 | Kazuho Koganemaru (Co-author: Hiroyuki Sato) |
| リーマン多様体上の非平滑方程式に対するレトラクションを用いた一般化ニュートン法 (in Japanese) | |
| JSIAM Activity Group on Young Researchers - 6th Conference (online) | |
| Mar 3, 2021 | Atsushi Hori (Co-authors: Yuya Yamakawa, Nobuo Yamashita) |
| 確率変分不等式問題に対する分布的ロバスト期待残差最小化モデル (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Tokyo, online) | |
| Mar 2, 2021 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する加速付き近接勾配法 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Tokyo, online) | |
| Feb 17, 2021 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| New merit functions for multiobjective optimization | |
| 15th Kyoto University ICT Inovation (Kyoto, online) [poster session] |
| Sep 8, 2020 | Junpei Goto (Co-author: Hiroyuki Sato) |
| 行列多様体上の最適化問題に対する対数写像の近似に基づくアプローチ (in Japanese) | |
| Japan Society for Industrial and Applied Mathematics - Annual Meeting 2020 (online) | |
| Mar 13, 2020 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する様々なメリット関数とl_1正則化項を含んだ多目的最適化問題に対するメリット関数の効率的な計算方法 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Nara) | |
| Mar 12, 2020 | Junpei Goto (Co-author: Hiroyuki Sato) |
| リーマン多様体上の対数写像の近似と最適化問題への応用 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Nara) | |
| Feb 19, 2020 | Hardik Tankaria (Co-author: Nobuo Yamashita) |
| An accelerated stochastic variance reduced gradient method | |
| 14th Kyoto University ICT Inovation (Kyoto) [poster session] | |
| Feb 19, 2020 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| New approaches for multiobjective optimization: Multiobjective proximal gradient methods | |
| 14th Kyoto University ICT Inovation (Kyoto) [poster session] |
| Aug 8, 2019 | Yan Gu [Researcher] (Co-author: Nobuo Yamashita) |
| An alternating direction method of multipliers with the BFGS update for structured convex quadratic optimization | |
| The Sixth International Conference on Continuous Optimization (Berlin) | |
| Aug 7, 2019 | Hardik Tankaria (Co-author: Nobuo Yamashita) |
| Non-monotone regularized limited memory BFGS method with line search for unconstrained optimization | |
| The Sixth International Conference on Continuous Optimization (Berlin) | |
| Jun 28, 2019 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| Multiobjective proximal gradient methods and application to robust multiobjective optimization | |
| 17th Workshop on Advances in Continuous Optimization (Glasgow) | |
| Jun 25, 2019 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| Merit functions for nonlinear multiobjective optimization and convergence rates analysis of proximal gradient methods | |
| 30th European Conference on Operational Research (Dublin) | |
| Mar 14, 2019 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対するメリット関数とそれを用いた様々な解 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Chiba) |
| Nov 4, 2018 | Ichiro Isonishi (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) [Excellent Presentation Award] |
| 非線形錐計画問題に対する修正DC法とその収束性 (in Japanese) | |
| SSOR2018 Kansai Region (Nara) | |
| Nov 4, 2018 | Shun Takayanagi (Co-authors: Hiroyuki Sato, Nobuo Yamashita) |
| AdaGrad のリーマン多様体上への拡張について (in Japanese) | |
| SSOR2018 Kansai Region (Nara) | |
| Nov 3, 2018 | Hiroya Kamo (Co-author: Nobuo Yamashita) |
| 正斉次最適化問題の一般化とその双対問題の性質 (in Japanese) | |
| SSOR2018 Kansai Region (Nara) | |
| Nov 3, 2018 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する近接勾配法とその収束速度について (in Japanese) | |
| SSOR2018 Kansai Region (Nara) | |
| Nov 3, 2018 | Yusuke Nakai (Co-author: Nobuo Yamashita) |
| 変分不等式問題に対する確率的分散縮小射影法 | |
| SSOR2018 Kansai Region (Nara) | |
| Nov 2, 2018 | Kanako Mita (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する新しい非単調直線探索 (in Japanese) | |
| SSOR2018 Kansai Region (Nara) | |
| Sep 14, 2018 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) [Finalist of Young Author's Award] |
| A proximal gradient method for multiobjective optimization and application to robust multiobjective optimization | |
| Society of Instrument and Control Engineers Annual Conference 2018 (Nara) | |
| Sep 6, 2018 | Hiroya Kamo (Co-author: Nobuo Yamashita) |
| 正斉次最適化問題の一般化とその双対問題 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Nagoya) | |
| Aug 6, 2018 | Rafael Pedro Longhi (Co-author: Virgilio Jose Martins Ferreira Filho) |
| Strategic location model for oil spills response installations considering oil transportation | |
| RIMS Workshop: New Trends of Numerical Optimization in Advanced Information-Oriented Society (Kyoto) | |
| Jun 9, 2018 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題における近接勾配法とその応用 (in Japanese) | |
| Workshop on Optimization and its Applications: Young Researchers Meeting 2018 (Tsukuba) | |
| Mar 29, 2018 | Hiroki Tanabe (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する近接勾配法とその応用 (in Japanese) | |
| Optimization: Modeling and Algorithms (Tokyo) |
| Oct 29, 2017 | Yuuya Hikima (Co-author: Nobuo Yamashita) [Best Presentation Award] |
| 基底追跡ノイズ除去に対する有効制約法 (in Japanese) | |
| Operations Research Society of Japan Kansai - Young Researchers' Seminar 2017 (Osaka) | |
| Sep 15, 2017 | Kanako Mita (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する非単調直線探索を用いた降下法とその大域的収束性 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Osaka) | |
| Sep 15, 2017 | Ichiro Isonishi (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 非線形錐計画問題に対する新しいDC法とその収束性 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Osaka) | |
| Aug 24, 2017 | Yan Gu (Co-author: Nobuo Yamashita) |
| Alternating direction method of multipliers with greedy-rule for structured convex optimization problem | |
| RIMS Workshop: Development of Mathematical Optimization: Modeling and Algorithms (Kyoto) | |
| May 25, 2017 | Yuuya Hikima (Co-author: Nobuo Yamashita) [Student Presentation Award] |
| 微分不可能な損失関数をもつL1正則化問題に対する有効制約法 (in Japanese) | |
| 61st Annual Conference of the Institute of Systems, Control and Information Engineers (Kyoto) | |
| May 24, 2017 | Shota Yamanaka (Co-author: Nobuo Yamashita) |
| Sub-homogeneous optimization problems and its applications | |
| SIAM Conference on Optimization 2017 (Vancouver) | |
| May 23, 2017 | Kanako Mita (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 多目的最適化問題に対する非単調直線探索を用いた最急降下法 (in Japanese) | |
| 61st Annual Conference of the Institute of Systems, Control and Information Engineers (Kyoto) | |
| May 23, 2017 | Ichiro Isonishi (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| BMI制約付き最適化問題に対する新しいDC法 (in Japanese) | |
| 61st Annual Conference of the Institute of Systems, Control and Information Engineers (Kyoto) | |
| Feb 23, 2017 | Siti Nor H. B. Hassan (Co-authors: Tomohiro Niimi, Nobuo Yamashita) |
| A method of multipliers with alternating constraints for nonlinear optimization problems | |
| 11th Kyoto University ICT Inovation (Kyoto) [poster session] | |
| Feb 23, 2017 | Yan Gu (Co-author: Nobuo Yamashita) |
| Alternating direction method of multipliers with greedy-rule for structured convex optimization problem | |
| 11th Kyoto University ICT Inovation (Kyoto) [poster session] |
| Oct 29, 2016 | Mirai Shimaguchi (Co-author: Nobuo Yamashita) |
| カーネル法のハイパーパラメータチューニングに対する変分不等式アプローチ (in Japanese) | |
| Operations Research Society of Japan Kansai - Young Researchers' Seminar 2016 (Osaka) | |
| Oct 29, 2016 | Yuuya Hikima (Co-author: Nobuo Yamashita) [Best Presentation Award] |
| L1正則化問題に対する有効制約法 (in Japanese) | |
| Operations Research Society of Japan Kansai - Young Researchers' Seminar 2016 (Osaka) | |
| Oct 29, 2016 | Akiko Kobayashi (Co-author: Ellen H. Fukuda) |
| 非線形2次錐計画問題に対する正確な拡張ラグランジュ関数 (in Japanese) | |
| Operations Research Society of Japan Kansai - Young Researchers' Seminar 2016 (Osaka) | |
| Sep 16, 2016 | Takuya Iizuka (Co-authors: Ellen H. Fukuda, Nobuo Yamashita) |
| 非線形SOCPに対する安定化逐次二次計画法とその超一次収束性について (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Yamagata) | |
| Sep 16, 2016 | Mirai Shimaguchi (Co-author: Nobuo Yamashita) |
| カーネル回帰のハイパーパラメータ調整に対する変分不等式アプローチ (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Yamagata) | |
| Sep 16, 2016 | Yuuya Hikima (Co-author: Nobuo Yamashita) |
| L1正則化問題に対する有効制約法 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Yamagata) | |
| Sep 15, 2016 | Akiko Kobayashi (Co-author: Ellen H. Fukuda) |
| 非線形2次錐計画問題に対する正確な拡張ラグランジュ関数 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Yamagata) | |
| Aug 25, 2016 | Yan Gu (Co-authors: Xingju Cai, Deren Han, David Z. W. Wang) |
| A tri-level optimization model for private road competition problem with traffic equilibrium constraints | |
| RIMS Workshop: The State-of-the-Art Optimization Technique and Future Development (Kyoto) | |
| Aug 11, 2016 | Siti Nor H. B. Hassan (Co-authors: Tomohiro Niimi, Nobuo Yamashita) |
| A method of multipliers with alternating constraints for nonlinear optimization problems | |
| The Fifth International Conference on Continuous Optimization (Tokyo) | |
| Aug 11, 2016 | Yan Gu (Co-authors: Xingju Cai, Deren Han, David Z. W. Wang) |
| A tri-level optimization model for private road competition problem with traffic equilibrium constraints | |
| The Fifth International Conference on Continuous Optimization (Tokyo) | |
| Aug 9, 2016 | Shota Yamanaka (Co-author: Nobuo Yamashita) |
| Duality of a generalized absolute value optimization problem | |
| The Fifth International Conference on Continuous Optimization (Tokyo) |
| Sep 11, 2015 | Kouki Hama (Co-authors: Shinji Sugimoto, Nobuo Yamashita) |
| 大規模な無制約最小化問題に対する正則化L-BFGS法 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Fukuoka) | |
| Sep 10, 2015 | Daisuke Tsuyuguchi (Co-authors: Ellen H. Fukuda, Ming Hu, Masao Fukushima) |
| 平滑化法を用いたマルチリーダーフォロワーゲームの解法 (in Japanese) | |
| Operations Research Society of Japan - Fall Conference (Fukuoka) | |
| Sep 1, 2015 | Daisuke Tsuyuguchi (Co-authors: Ellen H. Fukuda, Ming Hu, Masao Fukushima) |
| マルチリーダーフォロワーゲームの滑らかなナッシュ均衡問題への再定式化について (in Japanese) | |
| RIMS Workshop: Optimization for New Generations - Modeling and Computation (Kyoto) | |
| Sep 1, 2015 | Yukihiro Togari (Co-author: Nobuo Yamashita) |
| A proximal gradient method with componentwise lazy evaluation for online optimization | |
| Machine Learning Summer School 2015 Kyoto (Kyoto) [poster session] | |
| Mar 26, 2015 | Yukihiro Togari (Co-author: Nobuo Yamashita) |
| 成分ごとに遅延評価を行う Forward Backward Splitting 法のリグレット解析 (in Japanese) | |
| Operations Research Society of Japan - Spring Conference (Tokyo) |