"Tianxiang Liu,Akiko Takeda","An inexact successive quadratic approximation method for a class of difference-of-convex optimization problems","研究集会最適化:モデリングとアルゴリズム",,,,,,2021,Mar. "Tianxiang Liu,Ivan Markovsky,Ting Kei Pong,Akiko Takeda","A hybrid penalty method for a class of optimization problems with multiple rank constraints",,"SIAM Journal on Matrix Analysis and Applications",,,,,2020,Sept. "Ivan Markovsky,Tianxiang Liu,Akiko Takeda","Data-Driven Structured Noise Filtering via Common Dynamics Estimation",,"IEEE Transactions on Signal Processing",,,,,2020,May "Tianxiang Liu,Ting Kei Pong,Akiko Takeda","A successive difference-of-convex approximation method with applications to control problems","ICCOPT 2019",,,,,,2019,Aug. "Tianxiang Liu,Ivan Markovsky,Ting Kei Pong,Akiko Takeda","A hybrid penalty method for a class of optimization problems with multiple rank constraints","NACA-ICOTA2019",,,,,,2019,Aug. "Tianxiang Liu,Ting Kei Pong,Akiko Takeda","A refined convergence analysis of pDCAe with applications to simultaneous sparse recovery and outlier detection",,"Computational Optimization and Applications",,,,,2019,Jan. "Tianxiang Liu,Ting Kei Pong,Akiko Takeda","A successive difference-of-convex approximation method for a class of nonconvex nonsmooth optimization problems",,"Mathematical Programming",,,,,2018,Sept. "Tianxiang Liu,Ting Kei Pong,Akiko Takeda","A successive difference-of-convex approximation method for a class of nonconvex nonsmooth optimization problems","29th European Conference on Operational Research",,,,,,2018,July "Tianxiang Liu,Ting Kei Pong,Akiko Takeda","A successive difference-of-convex approximation method for a class of nonconvex nonsmooth optimization problems","23rd International Symposium on Mathematical Programming",,,,,,2018,July "Takafumi Kanamori,Shuhei Fujiwara,Akiko Takeda","Robustness of Learning Algorithms using Hinge Loss with Outlier Indicators",,"Neural Networks",,"Vol. 94",,"pp. 173--191",2017,Oct. "Shuhei Fujiwara,Akiko Takeda,Takafumi Kanamori","DC Algorithm for Extended Robust Support Vector Machine",,"Neural Computation",,"vol. 29","num. 5","pp. 1406--1438",2017,May "Tomohiko Mizutani,Akiko Takeda","DEMiCs: A software package for computing the mixed volume via dynamic enumeration of all mixed cell",,"Software for Algebraic Geometry, IMA Volumes in Mathematics and its Applications","Springer","Vol. 148",,"pp. 59-79",2008, "水谷友彦,武田朗子,小島政和","Dynamic Enumeration of All Mixed Cells",,"Discrete and Computational Geometry",,"Vol. 37","No. 3","pp. 351-367",2007,May "J. Gotoh,A. Takeda","A Linear Classification Model Based on Conditinal Geometric Score",,"Pacific Journal of Optimization",,"Vol. 1",,"pp. 277-296",2005, "武田朗子,内平直志,中本政志,松本茂","不確実な電力事業環境下における設備投資計画手法",,"日本経営工学会論文誌",,"Vol. 56",,"pp. 366-376",2005, "T. Gunji,S. Kim,M. Kojima,A. Takeda,K. Fujisawa,T. Mizutani","PHoM -- a Polyhedral Homotopy Continuation Method",,"Computing",,"Vol. 73",,"pp. 57-77",2004, "C. Vo,A. Takeda,M. Kojima","A Multilevel Parallelized Hybrid Branch and Bound Algorithm for Quadratic Optimization",,"IPSJ Transactions on Advanced Computing Systems",,"Vol. 45","No. SIG 6(ACS 6)","pp. 186-196",2004, "K. Fujisawa,M. Kojima,A. Takeda,M. Yamashita","Solving Large Scale Optimization Problems via Grid and Cluster Computing",,"Journal of the Operations Research Society of Japan",,"Vol. 47",,"pp. 265-274",2004, "中田 和秀,下平 英寿,武田 朗子,小林 和博","第15回RAMPシンポジウムルポ",,"オペレーションズ・リサーチ",,"Vol. 49",,"pp. 256-257",2004, "Katsuki Fujisawa,Masakazu Kojima,Akiko Takeda,Makoto Yamashita","High Performance Grid and Cluster Computing for Some Optimization Problems",,"Proceedings of SAINT 2004 Work Shops",,,,,2004, "A.Takeda,K.Fujisawa,Y.Fukaya,M.Kojima","Parallel Implementation of Successive Convex Relaxation Methods for Quadratic Optimization Problems",," Journal of Global Optimization",," 24",,"pp. 237-260",2002, "藤沢 克樹,武田 朗子,小島 政和,中田 和秀","広域分散コンピューティング環境における数理計画ソフトウェアSDPA","情報処理学会研究報告. HPC","情報処理学会研究報告. HPC",,"Vol. 83",,"pp. 31-36",2001,May "Akiko Takeda","Complexity Analysis of Conceptual Successive Convex Relaxation of Nonconvex Sets",,"Mathematics of Operations Research",,"Vol. 26",,"pp. 519-542",2001, "A.Takeda,H.Nishino","On Measuring the Inefficiency with the Inner-Product Norm in Date Envelopment Analysis",,"European Journal of Operational Research",,"Vol. 133","No. 2","pp. 377-393",2001, "Akiko Takeda","Successive Convex Relaxation Approach to Bilevel Quadratic Optimization Problems",,"M. C. Ferris, O. L. Mangasarian and J.S. Pang (Eds.), Applications and Algorithms of Complementarity",,,,,2001, "Akiko Takeda","Successive Convex Relaxation Methods for Nonconvex Quadratic Optimization Problems",,,,,,,2001, "Akiko Takeda","Towards the Implementation of Successive Convex Relaxation Method for Nonconvex Quadratic Optimization Problems",," P.M. Pardalos (Ed.), Approximation and Complexity in Numerical Optimization: Continuous and Discrete Problems",,,,,2000, "Akiko Takeda,Yang Dai,Mituhiro Fukuda,Masakazu Kojima","Towards implementations of successive convex relaxation methods for nonconvex quadratic optimization problems","Approximation and Complexity in Numerical Optimization: Continuous and Discrete Problems","Approximation and Complexity in Numerical Optimization: Continuous and Discrete Problems (P. M. Pardalos, Ed.)","Kluwer Academic Publishers (Dorchecht)",,,"pp. 489-510",2000, "藤沢 克樹,武田 朗子,小島 政和,中田 和秀","半正定値計画問題に対するソフトウェアSDPAの広域並列計算システム","研究集会「最適化の数理科学」","数理解析研究所講究録",,"Vol. 1174",,"pp. 138-145",2000, "藤沢 克樹,武田 朗子,小島 政和,中田 和秀","半正定値計画問題に対するソフトウェアSDPAの広域並列計算システム","統計数理研究所研究集会 最適化:モデリングとアルゴリズム14","統計数理研究所共同研究レポート",,"Vol. 135",," 215-222",2000, "武田朗子","効率評価の困難な投入・産出活動の効率性分類とその安定性分析",,,,,,,1998,