Division for Intelligent Societal Implementation of Mathmatical Computation

Research Output 1997 2019

Filter
Article
2019
Hilbert spaces
Nonlinear dynamical systems
Decomposition
Nonlinear Dynamics
Spectrum analysis

Polynomial expressions of p-ary auction functions

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

Research output: Contribution to journalArticle

Auctions
Polynomials
Polynomial
Secure multi-party Computation
Homomorphic Encryption

Suspension Splittings and Self-maps of Flag Manifolds

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

Research output: Contribution to journalArticle

Lie groups
Flag Manifold
Analytic group
Wedge
Idempotent
2018
3 Citations (Scopus)

A circuit-preserving mapping from multilevel to Boolean dynamics

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

Research output: Contribution to journalArticle

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., Dec 1 2018, In : Scientific reports. 8, 1, 16228.

Research output: Contribution to journalArticle

Open Access
Neutron Diffraction
Mathematics
Physics
2017
16 Citations (Scopus)

Representative Selection with Structured Sparsity

Wang, H., Kawahara, Y., Weng, C. & Yuan, J., Mar 1 2017, In : Pattern Recognition. 63, p. 268-278 11 p.

Research output: Contribution to journalArticle

Experiments
1 Citation (Scopus)

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

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

Research output: Contribution to journalArticle

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

A concise parametrization of affine transformation

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

Research output: Contribution to journalArticle

Parametrization
Affine transformation
Computer graphics
Animation
Interpolation

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

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

Research output: Contribution to journalArticle

H-space
Homotopy
Counting
Multiplication
Odd
11 Citations (Scopus)

Efficient generalized fused lasso and its applications

Xin, B., Kawahara, Y., Wang, Y., Hu, L. & Gao, W., May 1 2016, In : ACM Transactions on Intelligent Systems and Technology. 7, 4, 60.

Research output: Contribution to journalArticle

Lasso
Alzheimer's Disease
Background Subtraction
Directed graphs
Scalability
2015

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

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

Research output: Contribution to journalArticle

Hash functions
Probability density function

A novel continuous and structural VAR modeling approach and its application to reactor noise analysis

Demeshko, M., Washio, T., Kawahara, Y. & Pepyolyshev, Y., Dec 1 2015, In : ACM Transactions on Intelligent Systems and Technology. 7, 2, 24.

Research output: Contribution to journalArticle

Open Access
Structural Modeling
Reactor
Continuous Time
AR Model
Discrete-time
3 Citations (Scopus)

Application of Continuous and Structural ARMA modeling for noise analysis of a BWR coupled core and plant instability event

Demeshko, M., Dokhane, A., Washio, T., Ferroukhi, H., Kawahara, Y. & Aguirre, C., Jan 1 2015, In : Annals of Nuclear Energy. 75, p. 645-657 13 p.

Research output: Contribution to journalArticle

Pressure control
Control systems
Signal analysis
Power plants
Dynamical systems

Mod p decompositions of the loop spaces of compact symmetric spaces

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

Research output: Contribution to journalArticle

Loop Space
Compact Space
Symmetric Spaces
Decompose
Homotopy
2013
6 Citations (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., Jan 1 2013, In : Computational and Theoretical Chemistry. 1003, p. 22-27 6 p.

Research output: Contribution to journalArticle

Hubbard model
two dimensional models
matrix methods
Nuclear Energy
Hamiltonians
2011
2 Citations (Scopus)

Equivariant Schubert calculus of Coxeter groups

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

Research output: Contribution to journalArticle

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

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

Yasui, Y., Fujisawa, K., Goto, K., Kamiyama, N. & Talcamatsu, M., Jan 1 2011, In : Journal of the Operations Research Society of Japan. 54, 4, p. 259-280 22 p.

Research output: Contribution to journalArticle

Shortest path
Network analysis
High performance
Graph
Centrality
8 Citations (Scopus)

Submodular fractional programming for balanced clustering

Kawahara, Y., Nagano, K. & Okamoto, Y., Jan 15 2011, In : Pattern Recognition Letters. 32, 2, p. 235-243 9 p.

Research output: Contribution to journalArticle

Newton-Raphson method
Experiments
23 Citations (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., Dec 1 2011, In : journal of the physical society of japan. 80, SUPPL. B, SB020.

Research output: Contribution to journalArticle

Open Access
diffractometers
chambers
life sciences
moderators
autumn
2010
13 Citations (Scopus)

Homotopy nilpotency in p-regular loop spaces

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

Research output: Contribution to journalArticle

Loop Space
Nilpotency
Homotopy
Homotopy Type
Completion
2008
51 Citations (Scopus)

Variational calculation of second-order reduced density matrices by strong N -representability conditions and an accurate semidefinite programming solver

Nakata, M., Braams, B. J., Fujisawa, K., Fukuda, M., Percus, J. K., Yamashita, M. & Zhao, Z., May 8 2008, In : Journal of Chemical Physics. 128, 16, 164113.

Research output: Contribution to journalArticle

Hubbard model
programming
Ground state
Atoms
Dipole moment
2006
17 Citations (Scopus)

A parallel primal-dual interior-point method for semidefinite programs using positive definite matrix completion

Nakata, K., Yamashita, M., Fujisawa, K. & Kojima, M., Jan 1 2006, In : Parallel Computing. 32, 1, p. 24-43 20 p.

Research output: Contribution to journalArticle

Matrix Completion
Primal-dual Interior Point Method
Semidefinite Program
Positive definite matrix
Equality Constraints
Classifying Space
Compact Lie Group
Gauge Group
Less than or equal to
Function Space
8 Citations (Scopus)

PHoMpara - Parallel implementation of the polyhedral homotopy continuation method for polynomial systems

Gunji, T., Kim, S., Fujisawa, K. & Kojima, M., Jun 1 2006, In : Computing (Vienna/New York). 77, 4, p. 387-411 25 p.

Research output: Contribution to journalArticle

Homotopy Continuation Method
Polynomial Systems
Parallel Implementation
Polynomials
Homotopy
3 Citations (Scopus)

Preprocessing sparse semidefinite programs via matrix completion

Fujisawa, K., Fukuda, M. & Nakata, K., Feb 1 2006, In : Optimization Methods and Software. 21, 1, p. 17-39 23 p.

Research output: Contribution to journalArticle

Matrix Completion
Semidefinite Program
Mathematical programming
Preprocessing
Experiments
2 Citations (Scopus)

Spacecraft diagnosis method using dynamic Bayesian networks

Translated title of the contribution: Spacecraft diagnosis method using dynamic Bayesian networksKawahara, Y., Yairi, T. & Machida, K., Jan 17 2006, In : Transactions of the Japanese Society for Artificial Intelligence. 21, 1, p. 45-54 10 p.

Research output: Contribution to journalArticle

Open Access
Bayesian networks
Spacecraft
Telemetering
Electric fuses
2004
38 Citations (Scopus)

PHoM - A polyhedral homotopy continuation method for polynomial systems

Gunji, T., Kim, S., Kojima, M., Takeda, A., Fujisawa, K. & Mizutani, T., Jan 1 2004, In : Computing (Vienna/New York). 73, 1, p. 57-77 21 p.

Research output: Contribution to journalArticle

Homotopy Continuation Method
Polynomial Systems
Polynomials
Module
Homotopy
2002
13 Citations (Scopus)
Homotopy
Duality theory
Linear program
Simplex method
Polynomials
1999
49 Citations (Scopus)

Semi-definite programming for topology optimization of trusses under multiple eigenvalue constraints

Ohsaki, M., Fujisawa, K., Katoh, N. & Kanno, Y., Nov 15 1999, In : Computer Methods in Applied Mechanics and Engineering. 180, 1-2, p. 203-217 15 p.

Research output: Contribution to journalArticle

trusses
Trusses
Shape optimization
programming
eigenvalues
1998
1 Citation (Scopus)

The life span method - A new variant of local search

Kubo, M. & Fujisawa, K., Jan 1 1998, In : Japan Journal of Industrial and Applied Mathematics. 15, 3, p. 363-393 31 p.

Research output: Contribution to journalArticle

Life Span
Combinatorial optimization
Local Search
Combinatorial Optimization Problem
Traveling salesman problem
1997
85 Citations (Scopus)

Exploiting sparsity in primal-dual interior-point methods for semidefinite programming

Fujisawa, K., Kojima, M. & Nakata, K., Oct 1 1997, In : Mathematical Programming, Series B. 79, 1-3, p. 235-253 19 p.

Research output: Contribution to journalArticle

Primal-dual Interior Point Method
Semidefinite Program
Semidefinite Programming
Sparsity
Computing