国際学会発表 (International Conferences)
T. Yamauchi, M. Takamatsu and S. Imahori: Optimizing train stopping patterns for congestion management, The 23rd International Symposium on Mathematical Programming (ISMP 2018), Bordeaux, July 2018.
S. Iwata and M. Takamatsu: Index reduction via unimodular transformations, The 23rd International Symposium on Mathematical Programming (ISMP 2018), Bordeaux, July 2018.
S. Iwata, T. Oki, and M. Takamatsu: Index reduction for differential-algebraic equations with mixed matrices, SIAM Workshop on Combinatorial Scientific Computing (CSC18), Bergen, June 2018.
T. Yamauchi, M. Takamatsu and S. Imahori: Optimizing train stopping patterns for congestion management, The 17th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS 2017), Vienna, September 2017.
S. Iwata and M. Takamatsu: Index reduction via unimodular transformations, The 10th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, Budapest, May 2017.
M. Takamatsu and A. Taguchi: Bus timetable design in areas with low-frequency public transportation services, The 22nd International Symposium on Mathematical Programming (ISMP 2015), Pittsburgh, July 2015.
M. Takamatsu and A. Taguchi: Train and bus timetable design to ensure smooth transfer in areas with low-frequency public transportation services, The 6th International Conference on Railway Operations Modelling and Analysis (RailTokyo2015), Chiba, March 2015.
S. Iwata and M. Takamatsu: On the Kronecker canonical form of singular mixed matrix pencils, The 8th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, Veszprém, June 2013.
N. Kakimura and M. Takamatsu: Matching problems with delta-matroid constraints, The 21st International Symposium on Mathematical Programming (ISMP 2012), Berlin, August 2012.
N. Kakimura and M. Takamatsu: Matching problems with delta-matroid constraints, The 18th Computing: the Australasian Theory Symposium (CATS 2012), Melbourne, January-February 2012.
S. Iwata and M. Takamatsu: Computing the maximum degree of minors in mixed polynomial matrices via combinatorial relaxation, The 15th Conference on Integer Programming and Combinatorial Optimization (IPCO XV), New York, June 2011.
S. Iwata and M. Takamatsu: On the Kronecker canonical form of mixed matrix pencils, The 7th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, Kyoto, May-June 2011.
S. Iwata and M. Takamatsu: On Kronecker canonical form of mixed matrix pencils (poster presentation), SIAM Workshop on Combinatorial Scientific Computing (CSC11), Darmstadt, May 2011.
S. Iwata, M. Takamatsu, and C. Tischendorf: Structural characterization on index of DAEs in hybrid analysis for general circuits, SIAM Workshop on Combinatorial Scientific Computing (CSC09), California, October 2009.
S. Iwata, M. Takamatsu, and C. Tischendorf: Matroidal characterization on index of DAEs in hybrid analysis for general circuits, The 6th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, Budapest, May 2009.
S. Iwata, M. Takamatsu, and C. Tischendorf: Hybrid analysis of nonlinear time-varying circuits providing DAEs with at most index 1, The 7th International Conference on Scientific Computing in Electrical Engineering, Espoo, September-October 2008.
S. Iwata and M. Takamatsu: Computing degrees of all cofactors in mixed polynomial matrices, The 5th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, Sendai, April 2007.
S. Iwata and M. Takamatsu: Index minimization of differential-algebraic equations in hybrid analysis for circuit simulation, The 5th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, Sendai, April 2007.