Department of Mathematical Sciences

Research Output 1976 2019

2019
1 Citation (Scopus)

AIC for the non-concave penalized likelihood method

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

Research output: Contribution to journalArticle

Penalized Likelihood
Information Criterion
Likelihood Methods
Penalized Maximum Likelihood
Model Selection

A short proof for tc(K)=4

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

Research output: Contribution to journalArticle

Topological Complexity
Klein bottle
Denote
Alternatives

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

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

Research output: Contribution to journalArticle

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

Cone exponents of Brownian motions with particular drifts

Okada, I., Jan 1 2019, In : Alea. 16, 1, p. 855-870 16 p.

Research output: Contribution to journalArticle

Open Access
Simple Random Walk
Local Time
Brownian motion
Cone
Exponent
Open Access
Scaling Limit
Stochastic Equations
Ensemble
Differential equation
Scaling

Data driven time scale in Gaussian quasi-likelihood inference

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

Research output: Contribution to journalArticle

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., Jun 1 2019, In : Journal of Theoretical Probability. 32, 2, p. 907-933 27 p.

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

Lie Symmetry
Nonlinear Diffusion
Convection
Exact Solution
Biological Models
1 Citation (Scopus)

Higher homotopy commutativity in localized Lie groups and gauge groups

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

Research output: Contribution to journalArticle

Gauge Group
Commutativity
Homotopy
Exceptional Lie Groups
Noncommutativity

Long time solutions for the 2D inviscid Boussinesq equations with strong stratification

Takada, R., Jan 1 2019, (Accepted/In press) In : Manuscripta Mathematica.

Research output: Contribution to journalArticle

Boussinesq Equations
Stratification
Asymptotic Profile
Stratified Fluid
Singular Limit
1 Citation (Scopus)

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

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

Research output: Contribution to journalArticle

Quasi-likelihood
Stable Process
Maximum likelihood
Stochastic Equations
Quasi-maximum Likelihood
2 Citations (Scopus)

Strongly Stratified Limit for the 3D Inviscid Boussinesq Equations

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

Research output: Contribution to journalArticle

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., Jan 1 2019, In : Journal of the Mathematical Society of Japan. 71, 2, p. 451-469 19 p.

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

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., Jan 22 2019, In : Archive for Rational Mechanics and Analysis. 231, 1

Research output: Contribution to journalArticle

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

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

HIMEKI, YUTARO. & Ishii, Y., Apr 10 2018, (Accepted/In press) In : Ergodic Theory and Dynamical Systems. p. 1-8 8 p.

Research output: Contribution to journalArticle

Closed
Fractals
Contraction
Mandelbrot set
Self-similar Set
Polynomials
Polynomial
Cell
Cell Proliferation
Cell proliferation

An efficient linear scheme to approximate nonlinear diffusion problems

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

Research output: Contribution to journalArticle

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

Boundary of the horseshoe locus for the Hénon family

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

Research output: Contribution to journalArticle

Horseshoe
Machinery
Locus
Parameter Space
Equilibrium Measure
Nonlinear Diffusion
Diffusion Problem
Applied mathematics
Japan
Nonlinear Problem
4 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

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

Efficient estimation of stable Lévy process with symmetric jumps

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

Research output: Contribution to journalArticle

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

Finite-particle approximations for interacting brownian particles with logarithmic potentials

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

Research output: Contribution to journalArticle

Logarithmic Potential
Stochastic Equations
Differential equation
Approximation
Theorem

Infinite-dimensional stochastic differential equations with symmetry

Osada, H., Jan 1 2018, Stochastic Partial Differential Equations and Related Fields - In Honor of Michael Röckner SPDERF, 2016. Trutnau, G., Eberle, A., Hoh, W., Kassmann, M., Grothaus, M. & Stannat, W. (eds.). Springer New York LLC, p. 549-559 11 p. (Springer Proceedings in Mathematics and Statistics; vol. 229).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Random Matrix Theory
Stochastic Equations
Differential equation
Symmetry
Review

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

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

Research output: Contribution to journalArticle

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., Jan 1 2018, (Accepted/In press) In : Annals of the Institute of Statistical Mathematics.

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

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

On Parameter Loci of the Hénon Family

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

Research output: Contribution to journalArticle

loci
Locus
entropy
Horseshoe
Topological Entropy
1 Citation (Scopus)

On the spectrum for the artificial compressible system

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

Research output: Contribution to journalArticle

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

Robust relative error estimation

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

Research output: Contribution to journalArticle

estimators
normality
iteration
regression analysis
confidence
1 Citation (Scopus)

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

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

Research output: Contribution to journalArticle

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

Schwarz type model comparison for LAQ models

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

Research output: Contribution to journalArticle

Model Comparison
Multiscaling
Quasi-likelihood
M-estimator
Information Matrix
2 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

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

Smoothed nonparametric tests and approximations of p-values

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

Research output: Contribution to journalArticle

Non-parametric test
p-Value
Approximation
Wilcoxon Signed Rank Test
Sign Test
4 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

Global Solution
Approximation
Renormalization
Strong Feller Property
Wiener Measure

A discrete fixed point theorem utilizing the direction preserving condition

Kawasaki, H. & Hashiyama, S., Jan 1 2017, In : Journal of Nonlinear and Convex Analysis. 18, 8, p. 1535-1545 11 p.

Research output: Contribution to journalArticle

Fixed point theorem
Decomposition
Decompose
Brouwer Fixed Point Theorem
Arbitrary
5 Citations (Scopus)

A linear finite volume method for nonlinear cross-diffusion systems

Murakawa, H., May 1 2017, In : Numerische Mathematik. 136, 1

Research output: Contribution to journalArticle

Cross-diffusion System
Finite volume method
Finite Volume Method
Nonlinear Systems
Finite Volume Scheme

An application of a theorem of alternatives to origami

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

Research output: Contribution to journalArticle

Duality
Mathematics
Twist
1 Citation (Scopus)

A remark on orbital free entropy

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

Research output: Contribution to journalArticle

Free Entropy
Conjugation
Estimate
Observation

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

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

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

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

Carbon-nanotube geometries: Analytical and numerical results

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

Research output: Contribution to journalArticle

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

Carbon-nanotube geometries as optimal configurations

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

Research output: Contribution to journalArticle

Carbon Nanotubes
Nanotubes
Carbon nanotubes
Carbon
carbon nanotubes
2 Citations (Scopus)

Classification of actions of discrete Kac algebras on injective factors

Masuda, T. & Tomatsu, R., Jan 2017, In : Memoirs of the American Mathematical Society. 245, 1160, p. 1-134 134 p.

Research output: Contribution to journalReview article

Injective
Towers
Algebra
Invariant
Free Action
Tensor Category
Injective
Subfactors
Endomorphism
Finitely Generated
5 Citations (Scopus)

Decay structure of two hyperbolic relaxationmodels with regularity loss

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

Research output: Contribution to journalArticle

Regularity
Decay
Symmetric Hyperbolic Systems
Dissipative Structure
Energy Inequality