会議録 (Conference Proceedings )
T. Yamauchi, M. Takamatsu and S. Imahori: Optimizing train stopping patterns for congestion management, Proceedings of the 17th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2017), OASICS vol. 59, no. 13 (15 pages; 13-1 to 13-15), 2017. >>> PDF ＊山内達貴氏が第55回鉄道サイバネ・シンポジウムにおいて学生優秀論文優秀賞受賞
S. Iwata and M. Takamatsu: Index reduction via unimodular transformations, Proceedings of the 10th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, pp. 257-266, 2017.
M. Takamatsu and A. Taguchi: Train and bus timetable design to ensure smooth transfer in areas with low-frequency public transportation services, Proceedings of the 6th International Conference on Railway Operations Modelling and Analysis, no. 34 (20 pages; 034-1 to 034-20), 2015.
ranked as the third best paper (link) and nominated for YOUNG RAILWAY OPERATIONS RESEARCH AWARD (link)
S. Iwata and M. Takamatsu: On the Kronecker canonical form of singular mixed matrix pencils, Proceedings of the 8th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, pp. 261-270, 2013.
N. Kakimura and M. Takamatsu: Matching problems with delta-matroid constraints, Proceedings of the 18th Computing: the Australasian Theory Symposium (CATS 2012) (J. Mestre, eds.), CRPIT, ACS, vol. 128, pp. 83-92, 2012.
S. Iwata and M. Takamatsu: Computing the maximum degree of minors in mixed polynomial matrices via combinatorial relaxation, Proceedings of the 15th Conference on Integer Programming and Combinatorial Optimization (IPCO XV), Lecture Notes in Computer Science 6655, pp. 274-286, 2011.
S. Iwata and M. Takamatsu: On the Kronecker canonical form of mixed matrix pencils, Proceedings of the 7th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, pp. 427-436, 2011.
S. Iwata, M. Takamatsu, and C. Tischendorf: Hybrid analysis of nonlinear time-varying circuits providing DAEs with index at most one, Scientific Computing in Electrical Engineering SCEE 2008 (J. Roos and L. R. J. Costa eds.), Springer, pp. 151-158, 2010.
岩田覚, 高松瑞代, Caren Tischendorf: 非線形時変回路に対する混合方程式の組合せ論的解析 －グラフ構造による順良指数の特徴付け－, 数理解析研究所講究録1676 「２１世紀の数理計画：アルゴリズムとモデリング」, pp. 36-50, 2010.
岩田覚, 高松瑞代: 混合行列束のKronecker標準形の組合せ論的解析, 情報処理学会研究報告, vol. 2009-AL-126, no. 4, pp. 1-8, 2009.
S. Iwata, M. Takamatsu, and C. Tischendorf: Matroidal characterization on index of DAEs in hybrid analysis for general circuits, Proceedings of the 6th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, pp. 351-360, 2009.
岩田覚, 高松瑞代: 電気回路の混合解析における微分代数方程式の指数最小化, 数理解析研究所講究録1629「２１世紀の数理計画: 最適化モデルとアルゴリズム」, pp. 104-114, 2009.
M. Takamatsu and S. Iwata: Index reduction for differential-algebraic equations in circuit simulation, 第20回回路とシステム軽井沢ワークショップ論文集, pp. 35-40, 2007.
S. Iwata and M. Takamatsu: Computing degrees of all cofactors in mixed polynomial matrices, Proceedings of the 5th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, pp. 156-165, 2007.
S. Iwata and M. Takamatsu: Index minimization of differential-algebraic equations in hybrid analysis for circuit simulation, Proceedings of the 5th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, pp. 128-137, 2007.
M. Takamatsu and S. Iwata: Index reduction for differential-algebraic equations by discrete optimization techniques, 数理解析研究所講究録1573「数値シミュレーションを支える応用数理」, pp. 92-105, 2007.