数学テクノロジー先端研究部門

研究成果 1981 2019

フィルター
記事
2019
2 引用 (Scopus)
Best Linear Unbiased Prediction
Maximum Likelihood Method
Error Estimation
Prediction Error
Mean Squared Error
3 引用 (Scopus)

A mixed optimal control approach for upstream fish Migration

Yoshioka, H., Shirai, T. & Tagami, D., 3 1 2019, : : Journal of Sustainable Development of Energy, Water and Environment Systems. 7, 1, p. 101-121 21 p.

研究成果: ジャーナルへの寄稿記事

公開
Fish
Rivers
fish
river
mathematical field

An improved algorithm for testing substitutability of weak preferences

Kawanaka, S. & Kamiyama, N., 5 1 2019, : : Mathematical Social Sciences. 99, p. 1-4 4 p.

研究成果: ジャーナルへの寄稿記事

Testing
Substitutability
time
Generalization
Class
1 引用 (Scopus)

A note on balanced flows in equality networks

Kamiyama, N., 5 1 2019, : : Information Processing Letters. 145, p. 74-76 3 p.

研究成果: ジャーナルへの寄稿記事

Equality
Market

Discrete Newton methods for the evacuation problem

Kamiyama, N., 1 1 2019, (受理済み/印刷中) : : Theoretical Computer Science. 795, p. 510-519 10 p.

研究成果: ジャーナルへの寄稿記事

Evacuation
Dynamic Networks
Newton-Raphson method
Newton Methods
Vertex of a graph

Exact and approximation algorithms for weighted matroid intersection

Huang, C. C., Kakimura, N. & Kamiyama, N., 9 1 2019, : : Mathematical Programming. 177, 1-2, p. 85-112 28 p.

研究成果: ジャーナルへの寄稿記事

Matroid Intersection
Approximation algorithms
Exact Algorithms
Approximation Algorithms
Decomposition Techniques

Lexicographically optimal earliest arrival flows

Kamiyama, N., 1 1 2019, : : Networks.

研究成果: ジャーナルへの寄稿記事

Polynomials
Directed graphs

Minimum-Cost b-Edge Dominating Sets on Trees

Ito, T., Kakimura, N., Kamiyama, N., Kobayashi, Y. & Okamoto, Y., 1 15 2019, : : Algorithmica. 81, 1, p. 343-366 24 p.

研究成果: ジャーナルへの寄稿記事

Dominating Set
Polynomials
Costs
Polynomial-time Algorithm
Linear programming

Pareto stable matchings under one-sided matroid constraints

Kamiyama, N., 1 1 2019, : : SIAM Journal on Discrete Mathematics. 33, 3, p. 1431-1451 21 p.

研究成果: ジャーナルへの寄稿記事

Stable Matching
Matroid
Pareto
Many to many
Solution Concepts

Reconfiguration of maximum-weight b-matchings in a graph

Ito, T., Kakimura, N., Kamiyama, N., Kobayashi, Y. & Okamoto, Y., 2 15 2019, : : Journal of Combinatorial Optimization. 37, 2, p. 454-464 11 p.

研究成果: ジャーナルへの寄稿記事

Reconfiguration
Polynomials
Graph in graph theory
Bipartite Graph
Integer
Cohomology of Groups
Toric Varieties
Root System
2018
Matching problem
Bipartite graph
Polynomials
3 引用 (Scopus)

A Note on Submodular Function Minimization with Covering Type Linear Constraints

Kamiyama, N., 10 1 2018, : : Algorithmica. 80, 10, p. 2957-2971 15 p.

研究成果: ジャーナルへの寄稿記事

Function Minimization
Submodular Function
Approximation algorithms
Linear Constraints
Approximation Algorithms
efficiency
economy
economics
regional analysis
projection
3 引用 (Scopus)

Readouts for echo-state networks built using locally regularized orthogonal forward regression

Dolinský, J., Hirose, K. & Konishi, S., 3 12 2018, : : Journal of Applied Statistics. 45, 4, p. 740-762 23 p.

研究成果: ジャーナルへの寄稿記事

Echo State Network
Regression
Relevance Vector Machine
Output
Feedforward Neural Networks
1 引用 (Scopus)

Robust relative error estimation

Hirose, K. & Masuda, H., 8 24 2018, : : Entropy. 20, 9, 632.

研究成果: ジャーナルへの寄稿記事

estimators
normality
iteration
regression analysis
confidence
2 引用 (Scopus)

Sparse factor regression via penalized maximum likelihood estimation

Hirose, K. & Imada, M., 6 1 2018, : : Statistical Papers. 59, 2, p. 633-662 30 p.

研究成果: ジャーナルへの寄稿記事

Penalized Maximum Likelihood
Maximum Likelihood Estimation
Regression
Penalty
Regression Coefficient
2 引用 (Scopus)

Spatial and Structured SVM for Multilabel Image Classification

Koda, S., Zeggada, A., Melgani, F. & Nishii, R., 10 1 2018, : : IEEE Transactions on Geoscience and Remote Sensing. 56, 10, p. 5948-5960 13 p., 8363005.

研究成果: ジャーナルへの寄稿記事

Image classification
image classification
Support vector machines
Unmanned aerial vehicles (UAV)
Cost functions

The mixed evacuation problem

Hanawa, Y., Higashikawa, Y., Kamiyama, N., Katoh, N. & Takizawa, A., 11 1 2018, : : Journal of Combinatorial Optimization. 36, 4, p. 1299-1314 16 p.

研究成果: ジャーナルへの寄稿記事

Evacuation
Polynomials
Directed graphs
Railroad cars
Hardness
2017
1 引用 (Scopus)

A note on the submodular vertex cover problem with submodular penalties

Kamiyama, N., 1 10 2017, : : Theoretical Computer Science. 659, p. 95-97 3 p.

研究成果: ジャーナルへの寄稿記事

Vertex Cover
Approximation algorithms
Penalty
Approximation Algorithms
3 引用 (Scopus)

Diurnal transcriptome and gene network represented through sparse modeling in brachypodium distachyon

Koda, S., Onda, Y., Matsui, H., Takahagi, K., Yamaguchi-Uehara, Y., Shimizu, M., Inoue, K., Yoshida, T., Sakurai, T., Honda, H., Eguchi, S., Nishii, R. & Mochida, K., 11 28 2017, : : Frontiers in Plant Science. 8, 2055.

研究成果: ジャーナルへの寄稿記事

Brachypodium distachyon
transcriptome
genes
automobiles
time series analysis
5 引用 (Scopus)

Efficient stabilization of cooperative matching games

Ito, T., Kakimura, N., Kamiyama, N., Kobayashi, Y. & Okamoto, Y., 5 16 2017, : : Theoretical Computer Science. 677, p. 69-82 14 p.

研究成果: ジャーナルへの寄稿記事

Stabilization
Game
Bargaining
NP-complete problem
Vertex of a graph
3 引用 (Scopus)

Popular matchings with ties and matroid constraints

Kamiyama, N., 1 1 2017, : : SIAM Journal on Discrete Mathematics. 31, 3, p. 1801-1819 19 p.

研究成果: ジャーナルへの寄稿記事

Tie
Matroid
Polynomial time
Matching Problem
Independent Set
4 引用 (Scopus)

Robust sparse Gaussian graphical modeling

Hirose, K., Fujisawa, H. & Sese, J., 9 1 2017, : : Journal of Multivariate Analysis. 161, p. 172-190 19 p.

研究成果: ジャーナルへの寄稿記事

Graphical Modeling
Maximum likelihood
Penalized Maximum Likelihood
Parameter estimation
Contamination

Strategic issues in college admissions with score-limits

Kamiyama, N., 3 1 2017, : : Operations Research Letters. 45, 2, p. 105-108 4 p.

研究成果: ジャーナルへの寄稿記事

Polynomial time
Polynomials
Nash Equilibrium
Solvability
College admissions
2016
11 引用 (Scopus)

A matroid approach to stable matchings with lower quotas

Fleiner, T. & Kamiyama, N., 5 1 2016, : : Mathematics of Operations Research. 41, 2, p. 734-744 11 p.

研究成果: ジャーナルへの寄稿記事

Stable Matching
Matroid
Matching Problem
Assignment
Polynomials
2 引用 (Scopus)

Extended formulations for sparsity matroids

Iwata, S., Kamiyama, N., Katoh, N., Kijima, S. & Okamoto, Y., 7 1 2016, : : Mathematical Programming. 158, 1-2, p. 565-574 10 p.

研究成果: ジャーナルへの寄稿記事

Extended Formulations
Matroid
Sparsity
Polynomials
Polytope
1 引用 (Scopus)

Full information maximum likelihood estimation in factor analysis with a large number of missing values

Hirose, K., Kim, S., Kano, Y., Imada, M., Yoshida, M. & Matsuo, M., 1 2 2016, : : Journal of Statistical Computation and Simulation. 86, 1, p. 91-104 14 p.

研究成果: ジャーナルへの寄稿記事

Maximum likelihood estimation
Missing Values
Factor analysis
Factor Analysis
Maximum Likelihood Estimation

Many-to-many stable matchings with ties in trees

Nakamura, K. & Kamiyama, N., 1 1 2016, : : Journal of the Operations Research Society of Japan. 59, 3, p. 225-240 16 p.

研究成果: ジャーナルへの寄稿記事

Stable matching
Matching problem
NP-hard
Matching markets
Polynomials
1 引用 (Scopus)

Relation between awarding of Grants-in-aid for scientific research and characteristics of applicants in Japanese universities

Hosotsubo, M. & Nishii, R., 11 1 2016, : : Scientometrics. 109, 2, p. 1097-1116 20 p.

研究成果: ジャーナルへの寄稿記事

applicant
grant
university
Natural sciences
Social sciences
3 引用 (Scopus)

The popular matching and condensation problems under matroid constraints

Kamiyama, N., 11 1 2016, : : Journal of Combinatorial Optimization. 32, 4, p. 1305-1326 22 p.

研究成果: ジャーナルへの寄稿記事

Matroid
Condensation
Matching Problem
Polynomials
Polynomial-time Algorithm
2015

On packing arborescences in temporal networks

Kamiyama, N. & Kawase, Y., 1 1 2015, : : Information Processing Letters. 115, 2, p. 321-325 5 p.

研究成果: ジャーナルへの寄稿記事

Packing
Labels
Directed graphs
Arc of a curve
Directed Graph
17 引用 (Scopus)

Sparse estimation via nonconcave penalized likelihood in factor analysis model

Hirose, K. & Yamamoto, M., 5 28 2015, : : Statistics and Computing. 25, 5, p. 863-875 13 p.

研究成果: ジャーナルへの寄稿記事

Penalized Likelihood
Factor analysis
Factor Analysis
Maximum likelihood
Maximum Likelihood Estimate
2 引用 (Scopus)

Statistical Prediction of Dst Index by Solar Wind Data and t-distributions

Qin, P. & Nishii, R., 11 1 2015, : : IEEE Transactions on Plasma Science. 43, 11, p. 3908-3915 8 p., 7300452.

研究成果: ジャーナルへの寄稿記事

solar wind
disturbances
predictions
wind measurement
interplanetary magnetic fields
2 引用 (Scopus)

The nucleolus of arborescence games in directed acyclic graphs

Kamiyama, N., 1 2015, : : Operations Research Letters. 43, 1, p. 89-92 4 p.

研究成果: ジャーナルへの寄稿記事

Nucleolus
Directed Acyclic Graph
Game
Linear Time
Directed acyclic graph
2014
7 引用 (Scopus)

A new approach to the pareto stable matching problem

Kamiyama, N., 1 1 2014, : : Mathematics of Operations Research. 39, 3, p. 851-862 12 p.

研究成果: ジャーナルへの寄稿記事

Stable Matching
Matching Problem
Pareto
Many to many
Polynomials
1 引用 (Scopus)

An inductive construction of minimally rigid body-hinge simple graphs

Kobayashi, Y., Higashikawa, Y., Katoh, N. & Kamiyama, N., 1 1 2014, : : Theoretical Computer Science. 556, C, p. 2-12 11 p.

研究成果: ジャーナルへの寄稿記事

Hinges
Simple Graph
Rigid Body
Graph in graph theory
Subspace
17 引用 (Scopus)

Estimation of an oblique structure via penalized likelihood factor analysis

Hirose, K. & Yamamoto, M., 1 1 2014, : : Computational Statistics and Data Analysis. 79, p. 120-132 13 p.

研究成果: ジャーナルへの寄稿記事

Penalized Likelihood
Factor analysis
Oblique
Factor Analysis
Common factor
1 引用 (Scopus)
Matroid
Condensation
Polynomials
Matching Problem
Tie
3 引用 (Scopus)

The universally quickest transshipment problem in a certain class of dynamic networks with uniform path-lengths

Kamiyama, N. & Katoh, N., 12 11 2014, : : Discrete Applied Mathematics. 178, p. 89-100 12 p.

研究成果: ジャーナルへの寄稿記事

Dynamic Networks
Path Length
Polynomials
Polynomial-time Algorithm
Arc of a curve
2013
8 引用 (Scopus)

A note on the serial dictatorship with project closures

Kamiyama, N., 8 26 2013, : : Operations Research Letters. 41, 5, p. 559-561 3 p.

研究成果: ジャーナルへの寄稿記事

Closure
Pareto
Dictatorship
Serials
Strategy

Independent arborescences in directed graphs

Frank, A., Fujishige, S., Kamiyama, N. & Katoh, N., 1 1 2013, : : Discrete Mathematics. 313, 4, p. 453-459 7 p.

研究成果: ジャーナルへの寄稿記事

Directed graphs
Directed Graph
Disjoint
Vertex of a graph
Walk
8 引用 (Scopus)

Modeling and inference of forest coverage ratio using zero-one inflated distributions with spatial dependence

Nishii, R. & Tanaka, S., 6 1 2013, : : Environmental and Ecological Statistics. 20, 2, p. 315-336 22 p.

研究成果: ジャーナルへの寄稿記事

Spatial Dependence
Coverage
Likelihood
Zero
Modeling
2 引用 (Scopus)

On total unimodularity of edge-edge adjacency matrices

Matsumoto, Y., Kamiyama, N. & Imai, K., 10 1 2013, : : Algorithmica. 67, 2, p. 277-292 16 p.

研究成果: ジャーナルへの寄稿記事

Adjacency Matrix
Adjacency
Dominating Set
Matching Problem
Graph in graph theory
1 引用 (Scopus)

Polygonal Hele?Shaw problem with surface tension

Kimura, M., Tagami, D. & Yazaki, S., 6 18 2013, : : Interfaces and Free Boundaries. 15, 1, p. 77-93 17 p.

研究成果: ジャーナルへの寄稿記事

interfacial tension
analogs
2012

Creating facial animation of characters via MoCap data

Hirose, K. & Higuchi, T., 12 1 2012, : : Journal of Applied Statistics. 39, 12, p. 2583-2597 15 p.

研究成果: ジャーナルへの寄稿記事

Facial Animation
Motion Capture
Character Animation
Control Points
Interpolate
2 引用 (Scopus)

Robustness of minimum cost arborescences

Kamiyama, N., 10 1 2012, : : Japan Journal of Industrial and Applied Mathematics. 29, 3, p. 485-497 13 p.

研究成果: ジャーナルへの寄稿記事

Robustness
Directed graphs
Costs
Spanning tree
Undirected Graph
14 引用 (Scopus)

Selection of NARX models estimated using weighted least squares method via GIC-based method and l1-norm regularization methods

Qin, P., Nishii, R. & Yang, Z. J., 11 1 2012, : : Nonlinear Dynamics. 70, 3, p. 1831-1846 16 p.

研究成果: ジャーナルへの寄稿記事

L1-norm
Weighted Least Squares
Regularization Method
Least Square Method
Information Criterion
1 引用 (Scopus)

The root location problem for arc-disjoint arborescences

Fujishige, S. & Kamiyama, N., 9 1 2012, : : Discrete Applied Mathematics. 160, 13-14, p. 1964-1970 7 p.

研究成果: ジャーナルへの寄稿記事

Location Problem
Disjoint
Arc of a curve
Roots
Vertex of a graph
2011

Covering directed graphs by in-trees

Kamiyama, N. & Katoh, N., 1 1 2011, : : Journal of Combinatorial Optimization. 21, 1, p. 2-18 17 p.

研究成果: ジャーナルへの寄稿記事

Covering Graph
Directed graphs
Directed Graph
Polynomials
Covering