Kyoto University - System Optimization Laboratory

Student's Conference Presentations - 2024

Nov 20, 2024 Koudai Yamamoto (Co-authors: Ellen H. Fukuda, Nobuo Yamashita)
最悪ケースの CVaR 最適化問題に対する効率的解法 (in Japanese)
ORSJ Kansai Region Young Researchers Meeting 2024 (Osaka)
Nov 20, 2024 Koshin Matsuoka (Co-authors: Ellen H. Fukuda, Nobuo Yamashita)
多目的最適化問題に対するフィルターを用いた直線探索法 (in Japanese)
ORSJ Kansai Region Young Researchers Meeting 2024 (Osaka)
Nov 20, 2024 Mamoru Oka (Co-authors: Yuya Yamakawa, Nobuo Yamashita)
リーマン多様体上の制約付き最適化問題に対する安定化逐次二次計画法 (in Japanese)
ORSJ Kansai Region Young Researchers Meeting 2024 (Osaka)
Sep 15, 2024 Lingrui Li (Co-author: Nobuo Yamashita)
最適輸送に対するブロック座標降下ネットワークシンプレックス法 (in Japanese)
Japan Society for Industrial and Applied Mathematics - Annual Meeting 2024 (Kyoto) [poster session]
Sep 15, 2024 Kangming Chen (Co-author: Ellen H. Fukuda)
Riemannian generalized conditional gradient methods
Japan Society for Industrial and Applied Mathematics - Annual Meeting 2024 (Kyoto)
Sep 10, 2024 Kangming Chen (Co-author: Ellen H. Fukuda)
Generalized conditional gradient method with three step size strategies on Riemannian manifolds
Operations Research Society of Japan - Fall Conference (Nagoya)
Sep 10, 2024 Huimin Li (Co-authors: Yuya Yamakawa, Ellen H. Fukuda)
On second-order sequential optimality conditions for nonlinear semidefinite optimization
Operations Research Society of Japan - Fall Conference (Nagoya)
Sep 10, 2024 Koshin Matsuoka (Co-authors: Ellen H. Fukuda, Nobuo Yamashita)
多目的最適化問題におけるフィルターを用いた直線探索法 (in Japanese)
Operations Research Society of Japan - Fall Conference (Nagoya)
Aug 27, 2024 Huimin Li (Co-authors: Yuya Yamakawa, Ellen H. Fukuda)
On second-order sequential optimality conditions for nonlinear programming problems
RIMS Symposium: Theory and Practice of Mathematical Optimization and their Surroundings (Kyoto)
Jun 30, 2024 Huimin Li (Co-authors: Yuya Yamakawa, Ellen H. Fukuda)
A strong second-order optimality condition for nonlinear semidefinite optimization
17th SIAM East Asian Section Conference (Macau)
Jun 30, 2024 Kangming Chen (Co-author: Ellen H. Fukuda)
Riemannian conditional gradient methods for composite optimization problems
17th SIAM East Asian Section Conference (Macau)
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
20th Japan Society for Industrial and Applied Mathematics - Joint Meeting (Niigata)
Mar 4, 2024 Kangming Chen (Co-authors: Hiroyuki Sato, Ellen H. Fukuda)
Multiobjective proximal gradient methods on Riemannian manifolds
20th Japan Society for Industrial and Applied Mathematics - Joint Meeting (Niigata)

Student's Conference Presentations - 2023

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)

Student's Conference Presentations - 2022

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)

Student's Conference Presentations - 2021

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]

Student's Conference Presentations - 2020

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]

Student's Conference Presentations - 2019

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)

Student's Conference Presentations - 2018

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)

Student's Conference Presentations - 2017

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]

Student's Conference Presentations - 2016

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)

Student's Conference Presentations - 2015

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)