数理科学部門

研究成果 1976 2020

フィルター
記事
2020
Asymptotic Profile
Scattering Problems
Long-time Behavior
Behavior of Solutions
Nonlinear equations
2019
1 引用 (Scopus)

AIC for the non-concave penalized likelihood method

Umezu, Y., Shimizu, Y., Masuda, H. & Ninomiya, Y., 4 1 2019, : : Annals of the Institute of Statistical Mathematics. 71, 2, p. 247-274 28 p.

研究成果: ジャーナルへの寄稿記事

Penalized Likelihood
Information Criterion
Likelihood Methods
Penalized Maximum Likelihood
Model Selection

A short proof for tc(K)=4

Iwase, N., Sakai, M. & Tsutaya, M., 9 1 2019, : : Topology and its Applications. 264, p. 167-174 8 p.

研究成果: ジャーナルへの寄稿記事

Topological Complexity
Klein bottle
Denote
Alternatives
2 引用 (Scopus)
公開
Nonlinear equations
Nonlinear Equations
Asymptotic Behavior
Higher Order
Fourth Order

Bayesian inference for stable Lévy–driven stochastic differential equations with high-frequency data

Jasra, A., Kamatani, K. & Masuda, H., 6 2019, : : Scandinavian Journal of Statistics. 46, 2, p. 545-574 30 p.

研究成果: ジャーナルへの寄稿記事

High-frequency Data
Bayesian inference
Stochastic Equations
Differential equation
Metropolis-Hastings

Data driven time scale in Gaussian quasi-likelihood inference

Eguchi, S. & Masuda, H., 10 15 2019, : : Statistical Inference for Stochastic Processes. 22, 3, p. 383-430 48 p.

研究成果: ジャーナルへの寄稿記事

Likelihood Inference
Quasi-likelihood
Data-driven
Model Selection
Time Scales

Dynamical Bulk Scaling Limit of Gaussian Unitary Ensembles and Stochastic Differential Equation Gaps

Kawamoto, Y. & Osada, H., 6 1 2019, : : Journal of Theoretical Probability. 32, 2, p. 907-933 27 p.

研究成果: ジャーナルへの寄稿記事

Scaling Limit
Stochastic Equations
Ensemble
Particle System
Point Process
2 引用 (Scopus)

Exact solutions of nonlinear diffusion-convection-reaction equation: A Lie symmetry analysis approach

Molati, M. & Murakawa, H., 2 1 2019, : : Communications in Nonlinear Science and Numerical Simulation. 67, p. 253-263 11 p.

研究成果: ジャーナルへの寄稿記事

Lie Symmetry
Nonlinear Diffusion
Convection
Exact Solution
Biological Models
公開
Simple Random Walk
Exponent
1 引用 (Scopus)

Higher homotopy commutativity in localized Lie groups and gauge groups

Hasui, S., Kishimoto, D. & Tsutaya, M., 1 1 2019, : : Homology, Homotopy and Applications. 21, 1, p. 107-128 22 p.

研究成果: ジャーナルへの寄稿記事

Gauge Group
Commutativity
Homotopy
Exceptional Lie Groups
Noncommutativity
1 引用 (Scopus)

Non-Gaussian quasi-likelihood estimation of SDE driven by locally stable Lévy process

Masuda, H., 3 1 2019, : : Stochastic Processes and their Applications. 129, 3, p. 1013-1059 47 p.

研究成果: ジャーナルへの寄稿記事

Quasi-likelihood
Stable Process
Maximum likelihood
Stochastic Equations
Quasi-maximum Likelihood
1 引用 (Scopus)

Strongly Stratified Limit for the 3D Inviscid Boussinesq Equations

Takada, R., 6 3 2019, : : Archive for Rational Mechanics and Analysis. 232, 3, p. 1475-1503 29 p.

研究成果: ジャーナルへの寄稿記事

Initial value problems
Boussinesq Equations
Euler equations
Classical Solution
Buoyancy

The logarithmic derivative for point processes with equivalent Palm measures

Bufetov, A. I., Dymov, A. V. & Osada, H., 1 1 2019, : : Journal of the Mathematical Society of Japan. 71, 2, p. 451-469 19 p.

研究成果: ジャーナルへの寄稿記事

Logarithmic Derivative
Point Process
De Branges Spaces
Quasi-invariance
Random Matrix Theory
1 引用 (Scopus)

Time periodic and almost time periodic solutions to rotating stratified fluids subject to large forces

Hieber, M., Mahalov, A. & Takada, R., 1 15 2019, : : Journal of Differential Equations. 266, 2-3, p. 977-1002 26 p.

研究成果: ジャーナルへの寄稿記事

Stratified Fluid
Rotating Fluid
Time-periodic Solutions
Buoyancy
Fluids

Traveling Waves Bifurcating from Plane Poiseuille Flow of the Compressible Navier–Stokes Equation

Kagei, Y. & Nishida, T., 1 22 2019, : : Archive for Rational Mechanics and Analysis. 231, 1

研究成果: ジャーナルへの寄稿記事

Compressible Navier-Stokes Equations
Poiseuille Flow
Traveling Wave
Mach number
Reynolds number
2018
1 引用 (Scopus)

{\mathcal{M}}:{4} is regular-closed

HIMEKI, YUTARO. & Ishii, Y., 4 10 2018, (受理済み/印刷中) : : Ergodic Theory and Dynamical Systems. p. 1-8 8 p.

研究成果: ジャーナルへの寄稿記事

Closed
Fractals
Contraction
Mandelbrot set
Self-similar Set

An efficient linear scheme to approximate nonlinear diffusion problems

Murakawa, H., 3 1 2018, : : Japan Journal of Industrial and Applied Mathematics. 35, 1, p. 71-101 31 p.

研究成果: ジャーナルへの寄稿記事

Nonlinear Diffusion
Diffusion Problem
Nonlinear Problem
Cross-diffusion System
Discrete-time
1 引用 (Scopus)

Boundary of the horseshoe locus for the Hénon family

Arai, Z., Ishii, Y. & Takahasi, H., 1 1 2018, : : SIAM Journal on Applied Dynamical Systems. 17, 3, p. 2234-2248 15 p.

研究成果: ジャーナルへの寄稿記事

Horseshoe
Machinery
Locus
Parameter Space
Equilibrium Measure
4 引用 (Scopus)

Discrete Approximations of Determinantal Point Processes on Continuous Spaces: Tree Representations and Tail Triviality

Osada, H. & Osada, S., 1 1 2018, : : Journal of Statistical Physics. 170, 2, p. 421-435 15 p.

研究成果: ジャーナルへの寄稿記事

Discrete Approximation
Point Process
Tail
approximation
analytic functions
1 引用 (Scopus)

Efficient estimation of stable Lévy process with symmetric jumps

Brouste, A. & Masuda, H., 7 1 2018, : : Statistical Inference for Stochastic Processes. 21, 2, p. 289-307 19 p.

研究成果: ジャーナルへの寄稿記事

Efficient Estimation
Stable Process
Likelihood
Jump
Local Asymptotic Normality
1 引用 (Scopus)

Finite-particle approximations for interacting brownian particles with logarithmic potentials

Kawamoto, Y. & Osada, H., 1 1 2018, : : Journal of the Mathematical Society of Japan. 70, 3, p. 921-952 32 p.

研究成果: ジャーナルへの寄稿記事

Logarithmic Potential
Stochastic Equations
Differential equation
Approximation
Theorem
Space-time White Noise
Complex Ginzburg-Landau Equation
Global Well-posedness
Torus
Well-posedness

Modified scattering for the klein-gordon equation with the critical nonlinearity in three dimensions

Masaki, S. & Segata, J. I., 7 2018, : : Communications on Pure and Applied Analysis. 17, 4, p. 1595-1611 17 p.

研究成果: ジャーナルへの寄稿記事

公開
Asymptotic Profile
Nonlinear Klein-Gordon Equation
Klein-Gordon Equation
Fourier series
Three-dimension

Modified scattering for the quadratic nonlinear Klein–Gordon equation in two dimensions

Masaki, S. & Segata, J. I., 1 1 2018, : : Transactions of the American Mathematical Society. 370, 11, p. 8155-8170 16 p.

研究成果: ジャーナルへの寄稿記事

Asymptotic Profile
Nonlinear Klein-Gordon Equation
Nonlinear equations
Two Dimensions
Scattering

New kernel estimators of the hazard ratio and their asymptotic properties

Moriyama, T. & Maesono, Y., 1 1 2018, (受理済み/印刷中) : : Annals of the Institute of Statistical Mathematics.

研究成果: ジャーナルへの寄稿記事

Kernel Estimator
Hazard
Asymptotic Properties
Estimator
Mean Squared Error
3 引用 (Scopus)

New structural conditions on decay property with regularity-loss for symmetric hyperbolic systems with non-symmetric relaxation

Ueda, Y., Duan, R. & Kawashima, S., 3 1 2018, : : Journal of Hyperbolic Differential Equations. 15, 1, p. 149-174 26 p.

研究成果: ジャーナルへの寄稿記事

Symmetric Hyperbolic Systems
Dissipative Structure
Regularity
Decay
Arch
1 引用 (Scopus)

On Parameter Loci of the Hénon Family

Arai, Z. & Ishii, Y., 7 1 2018, : : Communications in Mathematical Physics. 361, 2, p. 343-414 72 p.

研究成果: ジャーナルへの寄稿記事

loci
Locus
entropy
Horseshoe
Topological Entropy
1 引用 (Scopus)

On the spectrum for the artificial compressible system

Kagei, Y., Nishida, T. & Teramoto, Y., 1 15 2018, : : Journal of Differential Equations. 264, 2, p. 897-928 32 p.

研究成果: ジャーナルへの寄稿記事

Stationary Solutions
Potential flow
Stability criteria
Velocity Field
Mach number
1 引用 (Scopus)

On the standing waves of quantum Zakharov system

Fang, Y. F., Segata, J. & Wu, T. F., 2 15 2018, : : Journal of Mathematical Analysis and Applications. 458, 2, p. 1427-1448 22 p.

研究成果: ジャーナルへの寄稿記事

Standing Wave
Quantum Systems
Ion acoustic waves
Nonlinear Interaction
Acoustic Waves
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
1 引用 (Scopus)

SAMELSON PRODUCTS in p-REGULAR SO(2n) and ITS HOMOTOPY NORMALITY

Kishimoto, D. & Tsutaya, M., 1 1 2018, : : Glasgow Mathematical Journal. 60, 1, p. 165-174 10 p.

研究成果: ジャーナルへの寄稿記事

Inclusion
Homotopy Type
Simple group
Normality
Homotopy
4 引用 (Scopus)

Schwarz type model comparison for LAQ models

Eguchi, S. & Masuda, H., 8 2018, : : Bernoulli. 24, 3, p. 2278-2327 50 p.

研究成果: ジャーナルへの寄稿記事

Model Comparison
Multiscaling
Quasi-likelihood
M-estimator
Information Matrix
1 引用 (Scopus)

Smoothed alternatives of the two-sample median and Wilcoxon's rank sum tests

Moriyama, T. & Maesono, Y., 9 3 2018, : : Statistics. 52, 5, p. 1096-1115 20 p.

研究成果: ジャーナルへの寄稿記事

Wilcoxon rank-sum test
Alternatives
p-Value
Rank Statistics
Wilcoxon Test
1 引用 (Scopus)

Smoothed nonparametric tests and approximations of p-values

Maesono, Y., Moriyama, T. & Lu, M., 10 1 2018, : : Annals of the Institute of Statistical Mathematics. 70, 5, p. 969-982 14 p.

研究成果: ジャーナルへの寄稿記事

Non-parametric test
p-Value
Approximation
Wilcoxon Signed Rank Test
Sign Test
3 引用 (Scopus)

Type II blow-up mechanisms in a semilinear heat equation with critical Joseph–Lundgren exponent

Seki, Y., 12 15 2018, : : Journal of Functional Analysis. 275, 12, p. 3380-3456 77 p.

研究成果: ジャーナルへの寄稿記事

Semilinear Heat Equation
Critical Exponents
Blow-up
Radially Symmetric Solutions
Blow-up Solution
1 引用 (Scopus)

Viscous shock profile and singular limit for hyperbolic systems with Cattaneo's law

Nakamura, T. & Kawashima, S., 1 1 2018, : : Kinetic and Related Models. 11, 4, p. 795-819 25 p.

研究成果: ジャーナルへの寄稿記事

Singular Limit
Hyperbolic Systems
Shock waves
Scalar Conservation Laws
Heat flux
2017
10 引用 (Scopus)

A coupled KPZ equation, its two types of approximations and existence of global solutions

Funaki, T. & Hoshino, M., 8 1 2017, : : Journal of Functional Analysis. 273, 3, p. 1165-1204 40 p.

研究成果: ジャーナルへの寄稿記事

Global Solution
Approximation
Renormalization
Strong Feller Property
Wiener Measure
5 引用 (Scopus)

A linear finite volume method for nonlinear cross-diffusion systems

Murakawa, H., 5 1 2017, : : Numerische Mathematik. 136, 1

研究成果: ジャーナルへの寄稿記事

Cross-diffusion System
Finite volume method
Finite Volume Method
Nonlinear Systems
Finite Volume Scheme
Polynomials
Polynomial
Cell
Cell Proliferation
Cell proliferation

An application of a theorem of alternatives to origami

Kawasaki, H., 7 2017, : : Journal of the Operations Research Society of Japan. 60, 3, p. 393-399 7 p.

研究成果: ジャーナルへの寄稿記事

Duality
Mathematics
Twist
1 引用 (Scopus)

A remark on orbital free entropy

Ueda, Y., 6 1 2017, : : Archiv der Mathematik. 108, 6, p. 629-638 10 p.

研究成果: ジャーナルへの寄稿記事

Free Entropy
Conjugation
Estimate
Observation

A simple sufficient condition for triviality of obstructions in the orbifold construction for subfactors

Masuda, T., 1 1 2017, : : Mathematica Scandinavica. 121, 1, p. 101-110 10 p.

研究成果: ジャーナルへの寄稿記事

Subfactors
Orbifold
Obstruction
Sufficient Conditions
Graph in graph theory
2 引用 (Scopus)

Asymptotic Behavior of the Linearized Semigroup at Space-Periodic Stationary Solution of the Compressible Navier–Stokes Equation

Enomoto, S. & Kagei, Y., 12 1 2017, : : Journal of Mathematical Fluid Mechanics. 19, 4, p. 739-772 34 p.

研究成果: ジャーナルへの寄稿記事

Compressible Navier-Stokes Equations
Stationary Solutions
Mach number
infinity
Reynolds number
1 引用 (Scopus)

Asymptotic profiles for the compressible Navier–Stokes equations in the whole space

Kagei, Y. & Okita, M., 1 1 2017, : : Journal of Mathematical Analysis and Applications. 445, 1, p. 297-317 21 p.

研究成果: ジャーナルへの寄稿記事

Asymptotic Profile
Compressible Navier-Stokes Equations
Second-order Asymptotics
Large Time Behavior
Nonlinear Effects
4 引用 (Scopus)

Carbon-nanotube geometries: Analytical and numerical results

Mainini, E., Murakawa, H., Piovano, P. & Stefanelli, U., 2 2017, : : Discrete and Continuous Dynamical Systems - Series S. 10, 1, p. 141-160 20 p.

研究成果: ジャーナルへの寄稿記事

Nanotubes
Carbon nanotubes
Carbon
Numerical Results
Configuration
6 引用 (Scopus)

Carbon-nanotube geometries as optimal configurations

Mainini, E., Murakawa, H., Piovano, P. & Stefanelli, U., 1 1 2017, : : Multiscale Modeling and Simulation. 15, 4, p. 1448-1471 24 p.

研究成果: ジャーナルへの寄稿記事

Carbon Nanotubes
Nanotubes
Carbon nanotubes
Carbon
carbon nanotubes
Tensor Category
Injective
Subfactors
Endomorphism
Finitely Generated
5 引用 (Scopus)

Decay structure of two hyperbolic relaxationmodels with regularity loss

Ueda, Y., Duan, R. & Kawashima, S., 6 2017, : : Kyoto Journal of Mathematics. 57, 2, p. 235-292 58 p.

研究成果: ジャーナルへの寄稿記事

Regularity
Decay
Symmetric Hyperbolic Systems
Dissipative Structure
Energy Inequality
3 引用 (Scopus)

Dispersive estimates for the stably stratified boussinesq equations

Lee, S. & Takada, R., 1 1 2017, : : Indiana University Mathematics Journal. 66, 6, p. 2037-2070 34 p.

研究成果: ジャーナルへの寄稿記事

Dispersive Estimates
Boussinesq Equations
Stratification
Stratified Fluid
Buoyancy

Dynamic dualization in a general setting

Kawasaki, H., 4 1 2017, : : Journal of the Operations Research Society of Japan. 60, 2, p. 44-49 6 p.

研究成果: ジャーナルへの寄稿記事

Objective function
Dual problem
Convolution
Duality
Optimization problem