数理計算インテリジェント社会実装推進部門

研究成果 1997 2019

2019

A linear algorithm for Brick Wang tiling

Derouet-Jourdan, A., Kaji, S. & Mizoguchi, Y., 9 1 2019, : : Japan Journal of Industrial and Applied Mathematics. 36, 3, p. 749-761 13 p.

研究成果: ジャーナルへの寄稿記事

Linear Algorithm
Tile
Brick
Tiling
Computer graphics
Hilbert spaces
Nonlinear dynamical systems
Decomposition
Nonlinear Dynamics
Spectrum analysis

Learning with Coherence Patterns in Multivariate Time-series Data via Dynamic Mode Decomposition

Bito, T., Hiraoka, M. & Kawahara, Y., 7 2019, 2019 International Joint Conference on Neural Networks, IJCNN 2019. Institute of Electrical and Electronics Engineers Inc., 8852177. (Proceedings of the International Joint Conference on Neural Networks; 巻数 2019-July).

研究成果: 著書/レポートタイプへの貢献会議での発言

Time series
Decomposition
Laser modes
Labels
Diagnostic Imaging
Neural Networks (Computer)
Computer-Assisted Image Processing
Hand Strength
Licensure

Polynomial expressions of p-ary auction functions

Kaji, S., Maeno, T., Nuida, K. & Numata, Y., 6 1 2019, : : Journal of Mathematical Cryptology. 13, 2, p. 69-80 12 p.

研究成果: ジャーナルへの寄稿記事

Auctions
Polynomials
Polynomial
Secure multi-party Computation
Homomorphic Encryption

Principal points analysis via p-median problem for binary data

Yamashita, H. & Kawahara, Y., 1 1 2019, (受理済み/印刷中) : : Journal of Applied Statistics.

研究成果: ジャーナルへの寄稿記事

Principal Points
P-median Problem
Binary Data
Subgradient
Large Data

Suspension Splittings and Self-maps of Flag Manifolds

Kaji, S. & Theriault, S., 4 1 2019, : : Acta Mathematica Sinica, English Series. 35, 4, p. 445-462 18 p.

研究成果: ジャーナルへの寄稿記事

Lie groups
Flag Manifold
Analytic group
Wedge
Idempotent

The Cohomology Groups of Real Toric Varieties Associated with Weyl Chambers of Types C and D

Choi, S., Kaji, S. & Park, H., 8 1 2019, : : Proceedings of the Edinburgh Mathematical Society. 62, 3, p. 861-874 14 p.

研究成果: ジャーナルへの寄稿記事

Cohomology of Groups
Toric Varieties
Root System

Variational inference of penalized regression with submodular functions

Takeuchi, K., Yoshida, Y. & Kawahara, Y., 1 1 2019.

研究成果: 会議への寄与タイプ論文

Linear regression
Statistical Models
2018
3 引用 (Scopus)

A circuit-preserving mapping from multilevel to Boolean dynamics

Fauré, A. & Kaji, S., 3 7 2018, : : Journal of Theoretical Biology. 440, p. 71-79 9 p.

研究成果: ジャーナルへの寄稿記事

Networks (circuits)
ham
Boolean Model
methodology
Trajectories

A new mathematical approach to finding global solutions of the magnetic structure determination problem

Tomiyasu, K., Tomiyasu, R., Matsuda, M. & Matsuhira, K., 12 1 2018, : : Scientific reports. 8, 1, 16228.

研究成果: ジャーナルへの寄稿記事

公開
Neutron Diffraction
Mathematics
Physics
2 引用 (Scopus)

Automatically recognizing strategic cooperative behaviors in various situations of a team sport

Hojo, M., Fujii, K., Inaba, Y., Motoyasu, Y. & Kawahara, Y., 12 2018, : : PloS one. 13, 12, e0209247.

研究成果: ジャーナルへの寄稿記事

公開
Sports
sports
cooperatives
Cooperative Behavior
Labels
3 引用 (Scopus)

Prediction and classification in equation-free collective motion dynamics

Fujii, K., Kawasaki, T., Inaba, Y. & Kawahara, Y., 11 2018, : : PLoS Computational Biology. 14, 11, e1006545.

研究成果: ジャーナルへの寄稿記事

公開
Collective Motion
taxonomy
prediction
Prediction
Interaction

Z-MEM, Maximum Entropy Method software for electron/nuclear density distribution in Z-Code

Ishikawa, Y., Zhang, J., Kiyanagi, R., Yonemura, M., Matsukawa, T., Hoshikawa, A., Ishigaki, T., Torii, S., Oishi-Tomiyasu, R. & Kamiyama, T., 12 15 2018, : : Physica B: Condensed Matter. 551, p. 472-475 4 p.

研究成果: ジャーナルへの寄稿記事

Maximum entropy methods
maximum entropy method
density distribution
computer programs
Electrons
2017
4 引用 (Scopus)

Homotopy decomposition of a suspended real toric space

Choi, S., Kaji, S. & Theriault, S., 4 1 2017, : : Boletin de la Sociedad Matematica Mexicana. 23, 1, p. 153-161 9 p.

研究成果: ジャーナルへの寄稿記事

Homotopy
Decompose
Rigidity
Odd
Moment
7 引用 (Scopus)

Koopman Spectral Kernels for Comparing Complex Dynamics: Application to Multiagent Sport Plays

Fujii, K., Inaba, Y. & Kawahara, Y., 1 1 2017, Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2017, Proceedings. Ceci, M., Dzeroski, S., Malerba, D., Altun, Y., Das, K., Read, J., Zitnik, M., Stefanowski, J. & Mielikäinen, T. (版). Springer Verlag, p. 127-139 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 10536 LNAI).

研究成果: 著書/レポートタイプへの貢献会議での発言

Complex Dynamics
Sports
Nonlinear Dynamical Systems
kernel
Cauchy Kernel
2 引用 (Scopus)

Structurally Regularized Non-negative Tensor Factorization for Spatio-Temporal Pattern Discoveries

Takeuchi, K., Kawahara, Y. & Iwata, T., 1 1 2017, Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2017, Proceedings. Ceci, M., Dzeroski, S., Vens, C., Todorovski, L. & Hollmen, J. (版). Springer Verlag, p. 582-598 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 10534 LNAI).

研究成果: 著書/レポートタイプへの貢献会議での発言

Pattern Discovery
Spatio-temporal Patterns
Factorization
Tensors
Tensor
11 引用 (Scopus)

Subspace dynamic mode decomposition for stochastic Koopman analysis

Takeishi, N., Kawahara, Y. & Yairi, T., 9 18 2017, : : Physical Review E. 96, 3, 033310.

研究成果: ジャーナルへの寄稿記事

Stochastic Analysis
dynamical systems
Random Dynamical Systems
Subspace
decomposition
1 引用 (Scopus)

The mod 2 dual Steenrod algebra as a subalgebra of the mod 2 dual Leibniz-Hopf algebra

Turgay, N. D. & Kaji, S., 9 1 2017, : : Journal of Homotopy and Related Structures. 12, 3, p. 727-739 13 p.

研究成果: ジャーナルへの寄稿記事

Leibniz Algebra
Steenrod Algebra
Hopf Algebra
Subalgebra
Algebra
2016
3 引用 (Scopus)

A concise parametrization of affine transformation

Kaji, S. & Ochiai, H., 9 7 2016, : : SIAM Journal on Imaging Sciences. 9, 3, p. 1355-1373 19 p.

研究成果: ジャーナルへの寄稿記事

Parametrization
Affine transformation
Computer graphics
Animation
Interpolation
2 引用 (Scopus)
Powders
ambiguity
cells
Software
computer programs

Counting the number of homotopy associative multiplications on certain H-spaces

Kaji, S., Sakai, M. & Theriault, S., 12 1 2016, : : Topology and its Applications. 214, p. 137-149 13 p.

研究成果: ジャーナルへの寄稿記事

H-space
Homotopy
Counting
Multiplication
Odd

Structured sparse estimation and its optimization

Kawahara, Y., 5 2016, : : Journal of the Institute of Electronics, Information and Communication Engineers. 99, 5, p. 386-391 6 p.

研究成果: ジャーナルへの寄稿評論記事

2015
2 引用 (Scopus)

A mathematical problem for security analysis of hash functions and pseudorandom generators

Nuida, K., Abe, T., Kaji, S., Maeno, T. & Numata, Y., 2 8 2015, : : International Journal of Foundations of Computer Science. 26, 2, p. 169-194 26 p.

研究成果: ジャーナルへの寄稿記事

Hash functions
Probability density function
3 引用 (Scopus)

Higher order fused regularization for supervised learning with grouped parameters

Takeuchi, K., Kawahara, Y. & Iwata, T., 1 1 2015, Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2015, Proceedings. Appice, A., Gama, J., Costa, V. S., Gama, J., Jorge, A., Appice, A., Appice, A., Costa, V. S., Jorge, A., Appice, A., Rodrigues, P. P., Rodrigues, P. P., Gama, J., Costa, V. S., Soares, S., Rodrigues, P. P., Soares, S., Soares, S., Gama, J., Soares, S., Jorge, A., Jorge, A., Rodrigues, P. P. & Costa, V. S. (版). Springer Verlag, p. 577-593 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 9284).

研究成果: 著書/レポートタイプへの貢献会議での発言

Supervised learning
Supervised Learning
Regularization
Higher Order
Mathematical operators

Mod p decompositions of the loop spaces of compact symmetric spaces

Kaji, S., Ohsita, A. & Theriault, S., 6 19 2015, : : Algebraic and Geometric Topology. 15, 3, p. 1771-1811 41 p.

研究成果: ジャーナルへの寄稿記事

Loop Space
Compact Space
Symmetric Spaces
Decompose
Homotopy

Weyl group symmetry on the gkm graph of a gkm manifold with an extended lie group action

Kaji, S., 1 1 2015, : : Osaka Journal of Mathematics. 52, 1, p. 31-41 11 p.

研究成果: ジャーナルへの寄稿記事

Lie Group Actions
Weyl Group
Symmetry
Compact Lie Group
Graph in graph theory
2014
7 引用 (Scopus)

Fast and energy-efficient breadth-first search on a single NUMA system

Yasui, Y., Fujisawa, K. & Sato, Y., 1 1 2014, Supercomputing - 29th International Conference, ISC 2014, Proceedings. Springer Verlag, p. 365-381 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 8488 LNCS).

研究成果: 著書/レポートタイプへの貢献会議での発言

Breadth-first Search
Energy Efficient
Data storage equipment
Bottom-up
Benchmark
11 引用 (Scopus)

Improvement of instrument devices for super high resolution powder diffractometer at J-PARC

Torii, S., Yonemura, M., Ishikawa, Y., Miao, P., Tomiyasu, R., Satoh, S., Noda, Y. & Kamiyama, T., 1 1 2014, : : Journal of Physics: Conference Series. 502, 1, 012052.

研究成果: ジャーナルへの寄稿Conference article

公開
diffractometers
restoration
absorbers (materials)
electric choppers
high resolution
5 引用 (Scopus)

Method to generate all the geometrical ambiguities of powder indexing solutions

Tomiyasu, R., 12 1 2014, : : Journal of Applied Crystallography. 47, 6, p. 2055-2059 5 p.

研究成果: ジャーナルへの寄稿記事

Powders
Powder Diffraction
Reproducibility of Results
Crystal lattices
Diffraction patterns
6 引用 (Scopus)

Multi-task feature selection on multiple networks via maximum flows

Sugiyama, M., Azencott, C. A., Grimm, D., Kawahara, Y. & Borgwardt, K. M., 1 1 2014, SIAM International Conference on Data Mining 2014, SDM 2014. Zaki, M. J., Banerjee, A., Parthasarathy, S., Ning-Tan, P., Obradovic, Z. & Kamath, C. (版). Society for Industrial and Applied Mathematics Publications, p. 199-207 9 p. (SIAM International Conference on Data Mining 2014, SDM 2014; 巻数 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

公開
Feature extraction
Genes
Electric network analysis
Data mining
11 引用 (Scopus)

Petascale general solver for semidefinite programming problems with over two million constraints

Fujisawa, K., Endo, T., Yasui, Y., Sato, H., Matsuzawa, N., Matsuoka, S. & Waki, H., 1 1 2014, Proceedings - IEEE 28th International Parallel and Distributed Processing Symposium, IPDPS 2014. IEEE Computer Society, p. 1171-1180 10 p. 6877345. (Proceedings of the International Parallel and Distributed Processing Symposium, IPDPS).

研究成果: 著書/レポートタイプへの貢献会議での発言

Computer programming
Parallel algorithms
Factorization
Program processors
Supercomputers
26 引用 (Scopus)

NUMA-optimized parallel breadth-first search on multicore single-node system

Yasui, Y., Fujisawa, K. & Goto, K., 12 1 2013, Proceedings - 2013 IEEE International Conference on Big Data, Big Data 2013. p. 394-402 9 p. 6691600. (Proceedings - 2013 IEEE International Conference on Big Data, Big Data 2013).

研究成果: 著書/レポートタイプへの貢献会議での発言

Data storage equipment
Supercomputers
Graph theory
Processing
6 引用 (Scopus)

The second-order reduced density matrix method and the two-dimensional Hubbard model

Anderson, J. S. M., Nakata, M., Igarashi, R., Fujisawa, K. & Yamashita, M., 1 1 2013, : : Computational and Theoretical Chemistry. 1003, p. 22-27 6 p.

研究成果: ジャーナルへの寄稿記事

Hubbard model
two dimensional models
matrix methods
Nuclear Energy
Hamiltonians
2012
80 引用 (Scopus)

Application of matrix decomposition algorithms for singular matrices to the Pawley method in Z-Rietveld

Oishi-Tomiyasu, R., Yonemura, M. & Morishima, T., 2 9 2012, : : Journal of Applied Crystallography. 45, 2, p. 299-308 10 p.

研究成果: ジャーナルへの寄稿記事

Decomposition
Powder Diffraction
Rietveld analysis
Biological Science Disciplines
Least-Squares Analysis
5 引用 (Scopus)

High-performance general solver for extremely large-scale semidefinite programming problems

Fujisawa, K., Sato, H., Matsuoka, S., Endo, T., Yamashita, M. & Nakata, M., 12 1 2012, 2012 International Conference for High Performance Computing, Networking, Storage and Analysis, SC 2012. 6468521. (International Conference for High Performance Computing, Networking, Storage and Analysis, SC).

研究成果: 著書/レポートタイプへの貢献会議での発言

Combinatorial optimization
Factorization
Program processors
Quantum chemistry
Structural optimization
31 引用 (Scopus)

Latest developments in the SDPA family for solving large-scale SDPs

Yamashita, M., Fujisawa, K., Fukuda, M., Kobayashi, K., Nakata, K. & Nakata, M., 1 1 2012, International Series in Operations Research and Management Science. Springer New York LLC, p. 687-713 27 p. (International Series in Operations Research and Management Science; 巻数 166).

研究成果: 著書/レポートタイプへの貢献

Family
11 引用 (Scopus)
Crystal lattices
Lattice constants
lattice parameters
Observation
Powders
25 引用 (Scopus)

Separation of stationary and non-stationary sources with a generalized eigenvalue problem

Hara, S., Kawahara, Y., Washio, T., von Bünau, P., Tokunaga, T. & Yumoto, K., 9 1 2012, : : Neural Networks. 33, p. 7-20 14 p.

研究成果: ジャーナルへの寄稿記事

Electroencephalography
Scalp
Information Systems
Brain
Electrodes
68 引用 (Scopus)

Sequential change-point detection based on direct density-ratio estimation

Kawahara, Y. & Sugiyama, M., 4 1 2012, : : Statistical Analysis and Data Mining. 5, 2, p. 114-127 14 p.

研究成果: ジャーナルへの寄稿記事

Sequential Detection
Change-point Detection
Probability Density
Probability distributions
Nonparametric Density Estimation
2011

A mathematical problem for security analysis of hash functions and pseudorandom generators

Nuida, K., Abe, T., Kaji, S., Maeno, T. & Numata, Y., 11 9 2011, Advances in Information and Computer Security - 6th International Workshop, IWSEC 2011, Proceedings. p. 144-160 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 7038 LNCS).

研究成果: 著書/レポートタイプへの貢献会議での発言

Pseudorandom Generator
Hash functions
Security Analysis
Hash Function
Probability density function
3 引用 (Scopus)

Equivariant Schubert calculus of Coxeter groups

Kaji, S., 12 1 2011, : : Proceedings of the Steklov Institute of Mathematics. 275, 1, p. 239-250 12 p.

研究成果: ジャーナルへの寄稿記事

Schubert Calculus
Coxeter Group
Equivariant
Finite Group
Ring
7 引用 (Scopus)

Netal: High-performance implementation of network analysis library considering computer memory hierarchy

Yasui, Y., Fujisawa, K., Goto, K., Kamiyama, N. & Talcamatsu, M., 12 2011, : : Journal of the Operations Research Society of Japan. 54, 4, p. 259-280 22 p.

研究成果: ジャーナルへの寄稿記事

Shortest path
Network analysis
High performance
Graph
Centrality
39 引用 (Scopus)

Performance characteristics of Graph500 on large-scale distributed environment

Suzumura, T., Ueno, K., Sato, H., Fujisawa, K. & Matsuoka, S., 12 1 2011, Proceedings - 2011 IEEE International Symposium on Workload Characterization, IISWC - 2011. p. 149-158 10 p. 6114175. (Proceedings - 2011 IEEE International Symposium on Workload Characterization, IISWC - 2011).

研究成果: 著書/レポートタイプへの貢献会議での発言

Supercomputers
Data storage equipment
24 引用 (Scopus)

Super high resolution powder diffractometer at J-PARC

Torii, S., Yonemura, M., Surya Panca Putra, T. Y., Zhang, J., Miao, P., Muroya, T., Tomiyasu, R., Morishima, T., Sato, S., Sagehashi, H., Noda, Y. & Kamiyama, T., 12 1 2011, : : journal of the physical society of japan. 80, SUPPL. B, SB020.

研究成果: ジャーナルへの寄稿記事

公開
diffractometers
chambers
life sciences
moderators
autumn
2010
14 引用 (Scopus)

Homotopy nilpotency in p-regular loop spaces

Kaji, S. & Kishimoto, D., 1 1 2010, : : Mathematische Zeitschrift. 264, 1, p. 209-224 16 p.

研究成果: ジャーナルへの寄稿記事

Loop Space
Nilpotency
Homotopy
Homotopy Type
Completion

On some algebraic properties of CM-types of CM-fields and their reflexes

Oishi-Tomiyasu, R., 11 1 2010, : : Journal of Number Theory. 130, 11, p. 2442-2466 25 p.

研究成果: ジャーナルへの寄稿記事

公開
CM-field
Torsion Points
Abelian Variety
Modulus
Theorem
2008
266 引用 (Scopus)

Semidefinite programming for optimal power flow problems

Bai, X., Wei, H., Fujisawa, K. & Wang, Y., 7 1 2008, : : International Journal of Electrical Power and Energy Systems. 30, 6-7, p. 383-392 10 p.

研究成果: ジャーナルへの寄稿記事

Nonlinear programming
Computer simulation
19 引用 (Scopus)
Polynomials
Computer simulation