Presentations -
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An inexact proximal difference-of-convex algorithm based on memoryless quasi-Newton methods
Shummin Nakayama, Yasushi Narushima, Hiroshi Yabe
SIAM Conference on Optimization (OP21),
2021.07,Oral presentation (general)
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Some robust supply chain network equilibrium models
Yasushi Narushima
International Conference on Nonlinear Analysis and Convex Analysis--International Conference on Optimization: Techniques and Applications (NACA-ICOTA2019),
2019.08,Oral presentation (invited, special)
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Global convergence of a proximal memoryless symmetric rank one method for minimizing composite functions
Shummin Nakayama, Yasushi Narushima
International Conference on Nonlinear Analysis and Convex Analysis--International Conference on Optimization: Techniques and Applications (NACA-ICOTA2019),
2019.08,Oral presentation (general)
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Global convergence of an active-set memoryless quasi-Newton method based on spectral-scaling Broyden family for bound constraind optimization
Hiroaki Mishio, Shummin Nakayama, Yasushi Narushima, and Hiroshi Yabe
International Conference on Nonlinear Analysis and Convex Analysis--International Conference on Optimization: Techniques and Applications (NACA-ICOTA2019),
2019.08,Oral presentation (general)
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Inexact proximal memoryless spectral-scaling MBFGS method
Shummin Nakayama, Yasushi Narushima, Hiroshi Yabe
23th International Symposium of Mathematical Programming (ISMP2018),
2018.09,Oral presentation (general)
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Robust supply chain network equilibrium model with random demands
Yasushi Narushima and Tatsuya Hirano
23th International Symposium of Mathematical Programming (ISMP2018),
2018.09,Oral presentation (general)
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Economic Experiments in YBG -The case of manufacturing industry game-
Yasushi Narushima
The Second International Conference on Social Informatics and Systems Science (SISS2017),
2017.07,Oral presentation (general)
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Global Convergence of Memoryless Quasi-Newton Methods Based on Broyden Family for Unconstrained Optimization
Shummin Nakayama, Yasushi Narushima, Hiroshi Yabe
SIAM Conference on Optimization (OP17),
2017.05,Oral presentation (general)
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A robust supply chain network equilibrium model and its analysis
Yasushi Narushima, Tatsuya Hirano
SIAM Conference on Optimization (OP17),
2017.05,Oral presentation (general)
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A memoryless sized symmetric rank-one method with sufficient descent property for unconstrained optimization
Shummin Nakayama, Yasushi Narushima, Hiroshi Yabe
The Fifth International conference on Continuous Optimization (ICCOPT2016),
2016.08,Oral presentation (general)
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Multi-leader single-follower game between suppliers with a manufacturer
Tatsuya Hirano, Yasushi Narushima
The Fifth International conference on Continuous Optimization (ICCOPT2016),
2016.08,Oral presentation (general)
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大規模無制約最適化問題に対する非線形共役勾配法とその周辺
成島康史
第27回RAMPシンポジウム,
2015.10,Oral presentation (invited, special)
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Global Convergence of Smoothing and Scaling Conjugate Gradient Methods for Systems of Nonsmooth Equations
Yasushi Narushima, Hiroshi Yabe, Ryousuke Ootani
SIAM Conference on Optimization (OP14),
2014.05,Oral presentation (general)
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A family of three-term conjugate gradient methods with sufficient descent property for unconstrained optimization
Yasushi Narushima, Hiroshi Yabe, Mehiddin Al-Baali
The 9th International Conference on Optimization: Techniques and Applications (ICOTA9),
2013.12,Oral presentation (general)
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A smoothing method with appropriate parameter control based on Fischer-Burmeister function for second-order cone complementarity problems
Shunsuke Hayashi, Yasushi Narushima, Hideho Ogasawara
11th EUROPT Workshop on Advances in Continuous Optimization (EUROPT2013),
2013.06,Oral presentation (general)
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Global and superlinear convergence of inexact sequential quadratically constrained quadratic programming method for convex programming
Atsushi Kato, Yasushi Narushima, Hiroshi Yabe
The 5th Sino-Japanese Optimization Meeting (SJOM 2011),
2011.09,Oral presentation (general)
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Conjugate gradient methods based on secant conditions that generate descent search directions for unconstrained optimization
Hiroshi Yabe, Yasushi Narushima
The 5th Sino-Japanese Optimization Meeting (SJOM 2011),
2011.09,Oral presentation (general)
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A smoothing conjugate gradient method for solving nonsmooth systems of equations
Yasushi Narushima
The 5th Sino-Japanese Optimization Meeting (SJOM 2011),
2011.09,Oral presentation (general)
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Convergence properties of inexact sequential quadratically constrained quadratic programming method for convex programming
Atsushi Kato, Yasushi Narushima, Hiroshi Yabe
The 8th International Conference on Optimization: Techniques and Applications,
2010.12,Oral presentation (general)
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Some properties of a smoothing function based on the Fischer-Burmeister function for SOCCP
Yasushi Narushima, Hideho Ogasawara, Nobuko Sagara
20th International Symposium of Mathematical Programming (ISMP2009),
2009.08,Oral presentation (general)