SAKAKIBARA, Koya - Directory of Researchers at Kanazawa University

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last modified：2025/04/06

Associate Professor　SAKAKIBARA, Koya

Basic
Research
Education
Social Contribution

Faculty, Affiliation

Faculty of Mathematics and Physics, Institute of Science and Engineering

College and School Educational Field

Division of Mathematical and Physical Science, Graduate School of Natural Science and Technology
Division of Mathematical and Physical Sciences, Graduate School of Natural Science and Technology
Course in Computational Science, School of Mathematics and Physics, College of Science and Engineering

Laboratory

Academic Background

【Academic background(Doctoral/Master's Degree)】
The University of Tokyo　Doctor　Graduate School of Mathematical Sciences　201703　Completed
Meiji University　Master　Graduate School of Science and Technology　Department of Mathematics　201403　Completed
【Academic background(Bachelor's Degree)】
Meiji University　Department of Mathematics　201203
【Degree】
Master's degree in Science
Bachelor's degree in Science

Career

Kanazawa University　Institute of Science and Engineering Faculty of Mathematics and Physics　Associate Professor(2023/04-)
Okayama University of Science　Faculty of Science Department of Applied Mathematics　Lecturer(2020/04-2023/03)
RIKEN　iTHEMS　Visiting Scientist(2018/06-)
Kyoto University　Graduate School of Science　Program-Specific Assistant Professor(2018/04-2020/03)
The University of Tokyo　Graduate School of Mathematical Sciences　Project Researcher(2017/04-2018/03)

Year & Month of Birth

1990/03

Academic Society

THE MATHEMATICAL SOCIETY OF JAPAN
THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS

Award

THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS
THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS
○Excellent Poster Award in Annual Meeting 2018(2018/09)
○Dean's award of the Graduate School of Mathematical Sciences(2017/03)

Specialities

Numerical analysis、Numerical analysis

Speciality Keywords

Material sciences,Moving boundary problem,Structure-preserving numerical method,Fluid dynamics,Numerical analysis

Research Themes

Mathematical analysis of the method of fundamental solutions

To construct a mathematical framework of the method of fundamental solutions, which is a mesh-free solution method for partial differential equations.

Structure-preserving numerical analysis of moving boundary problems

We develop a mathematical theory of moving boundary problems to study interfacial phenomena that change from moment to moment, and (if possible) propose a numerical scheme that preserves their mathematical structure.

Books

Papers

　Numerical Analysis of the Plateau Problem by the Method of Fundamental Solutions　Koya Sakakibara,Yuuki Shimizu　Journal of Scientific Computing　100　1　2024/05/17　
　A simple numerical method for Hele–Shaw type problems by the method of fundamental solutions　Koya Sakakibara,Yusaku Shimoji,Shigetoshi Yazaki　Japan Journal of Industrial and Applied Mathematics　39　3　869　2022/12　
　On the reaction–diffusion type modelling of the self-propelled object motion　Masaharu Nagayama,Harunori Monobe,Koya Sakakibara,Ken-Ichi Nakamura,Yasuaki Kobayashi,Hiroyuki Kitahata　Scientific Reports　13　1　2023/08/03　
　Asymptotic behavior of fronts and pulses of the bidomain model　Hiroshi Matano,Yoichiro Mori,Mitsunori Nara,Koya Sakakibara　SIAM Journal on Applied Dynamical Systems　21　1　616　2022/03
　Numerical analysis of constrained total variation flows　Koya Sakakibara　The Role of Metrics in the Theory of Partial Differential Equations　85　349　2020

show all

　A fully discrete curve-shortening polygonal evolution law for moving boundary problems　Koya Sakakibara,Yuto Miyatake　Journal of Computational Physics　424　109857　2021/01
　A new numerical scheme for discrete constrained total variation flows and its convergence　Yoshikazu Giga,Koya Sakakibara,Kazutoshi Taguchi,Masaaki Uesaka　Numerische Mathematik　146　1　181　2020/09　
　Bidirectional numerical conformal mapping based on the dipole simulation method　Koya Sakakibara　Engineering Analysis with Boundary Elements　114　45　2020/05
　Structure‐preserving numerical scheme for the one‐phase Hele‐Shaw problems by the method of fundamental solutions　Koya Sakakibara,Shigetoshi Yazaki　Computational and Mathematical Methods　1　6　2019/11　
　Numerical approach to three-dimensional model of cellular electrophysiology by the method of fundamental solutions　Ken-Ichi Nakamura,Koya Sakakibara,Shigetoshi Yazaki　JSIAM Letters　11　17　2019　?
　Method of fundamental solutions for biharmonic equation based on Almansi-type decomposition　Koya Sakakibara　Applications of Mathematics　62　4　297　2017/07/31　?
　Method of fundamental solutions with weighted average condition and dummy points　Koya Sakakibara,Shigetoshi Yazaki　JSIAM Letters　9　41　2017　?
　On invariance of schemes in the method of fundamental solutions　Koya Sakakibara,Shigetoshi Yazaki　Applied Mathematics Letters　73　16　2017/11
　Asymptotic analysis of the conventional and invariant schemes for the method of fundamental solutions applied to potential problems in doubly-connected regions　Koya Sakakibara　Japan Journal of Industrial and Applied Mathematics　34　1　177　2017/04　
　Analysis of the dipole simulation method for two-dimensional Dirichlet problems in Jordan regions with analytic boundaries　Koya Sakakibara　BIT Numerical Mathematics　56　4　1369　2016/12　
　On a singular limit of the Kobayashi-Warren-Carter energy　Yoshikazu Giga,Jun Okamoto,Koya Sakakibara,Masaaki Uesaka　Indiana University Mathematics Journal　73　4　1453　2024
　A Mathematical Analysis of the Complex Dipole Simulation Method　Koya Sakakibara,Masashi Katsurada　Tokyo Journal of Mathematics　38　2　2015/12/01
　Image segmentation of flame front of smoldering experiment by gradient flow of curves　Miroslav Kolář,Shgietoshi Yazaki,Koya Sakakibara　Proceedings of the Conference Algoritmy 2024　119　2024/09
　A thresholding algorithm for Willmore-type flows via fourth-order linear parabolic equation　Katsuyuki Ishii,Yoshihito Kohsaka,Nobuhito Miyake,Koya Sakakibara　Interfaces and Free Boundaries, Mathematical Analysis, Computation and Applications　2024/11/25
　Fractional time differential equations as a singular limit of the Kobayashi–Warren–Carter system　Yoshikazu Giga,Ayato Kubo,Hirotoshi Kuroda,Jun Okamoto,Koya Sakakibara,Masaaki Uesaka　Proceedings of the Royal Society of Edinburgh: Section A Mathematics　1　2024/12/11　
　Structure-preserving numerical methods for constrained gradient flows of planar closed curves with explicit tangential velocities　Tomoya Kemmochi,Yuto Miyatake,Koya Sakakibara　Japan Journal of Industrial and Applied Mathematics　2024/12/27

Conference Presentations

Numerical analysis of one-harmonic map flow with values constrained to a matrix Lie group(conference：Czech-Japanese Seminar in Applied Mathematics 2018, Hotel Noto Kinpura)(2018/07)
Numerical conformal mapping based on the dipole simulation method(conference：Equadiff 2017)(2017/07)
Numerical analysis of point vortex dynamics by the method of fundamental solutions(conference：Fourth International ACCA-UK/JP Workshop)(2018/03)
Numerical analysis of Kobayashi-Warren-Carter model: toward visualization of the grain boundary(2017/11)
Asymptotic analysis of the invariant scheme for the method of fundamental solutions applied to potential problems in doubly-connected regions(conference：Czech-Japanese-Polish Seminar in Applied Mathematics 2016)(2016/09)

show all

Method of fundamental solutions for biharmonic equation based on Almansi-type decomposition(conference：Third International ACCA-UK/JP Workshop)(2017/03)
Structure-preserving numerical schemes for the one-phase Hele-Shaw problems by the charge simulation method(conference：First International ACCA-UK/JP Workshop)(2015/03)
Numerical analysis of one-harmonic equation with values in matrix Lie group(conference：The 11th Mathematical Society of Japan (MSJ) Seasonal Institute (SI) "The Role of Metrics in the Theory of Partial Differential Equations")(2018/07)
Numerical conformal mapping based on the dipole simulation method(conference：SIAM: East Asia Section Conference 2017)(2017/06)
Structure-preserving numerical schemes for the one-phase interior/exterior Hele-Shaw problems by the charge simulation method(conference：ICIAM 2015: The 8th International Congress on Industrial and Applied Mathematics)(2015/08)
Numerical experiments of the charge simulation method for Hele-Shaw flow(conference：2nd Slovak-Japan Conference on Applied Mathematics)(2014/09)
Structure-preserving numerical scheme for the one-phase Hele-Shaw problem by the method of fundamental solutions combined with the uniform distribution method(conference：A3 Workshop on Computational Fluid Dynamics and Numerical Analysis)(2017/02)
Structure-preserving numerical scheme for Hele-Shaw problems by the method of fundamental solutions(conference：International Workshop on the Multi-Phase Flow: Analysis, Modeling and Numerics)(2016/11)
Mathematical modeling and numerical study of fingering instability in Hele-Shaw problem(conference：ALGORITMY 2016)(2016/03)
Structure-preserving numerical scheme for the one-phase Hele-Shaw problems by the method of fundamental solutions combined with the uniform distribution method(conference：The 2nd Joint Conference of A3 Foresight Program: Mathematics of Fluid Dynamics and Material Sciences)(2015/11)
Numerical conformal mappings by the dipole simulation method(conference：JSPS A3 Foresight Program: Modeling and Simulation of Hierarchical and Heterogeneous Flow System with Applications to Materials Science III)(2016/11)
Method of fundamental solutions for biharmonic equation based on Almansi-type decomposition(2016/10)
Structure-preserving numerical scheme for the one-phase Hele-Shaw problems by the method of fundamental solutions combined with the uniform distribution method(conference：Ne\v{c}as seminar on continuum mechanics)(2016/02/29)
Charge or dipole simulation method for approximation of complex analytic functions(conference：ICRAPAM 2014: International Conference on Recent Advances in Pure and Applied Mathematics)(2014/11)
A mathematical analysis of the charge simulation method in doubly-connected regions(conference：2nd Slovak-Japan Conference on Applied Mathematics)(2014/09)
Unified numerical scheme for several types of Hele-Shaw problems by the method of fundamental solutions(conference：The 5th Joint Workshop of A3 Foresight Program "Mathematics of Biology, Fluid Dynamics and Material Sciences")(2018/10)
Numerical analysis of the one-harmonic map flow with values constrained to a Riemannian manifold(conference：CJK 2018: The Seventh China-Japan-Korea Joint Conference on Numerical Mathematics)(2018/08)
Vortex dynamics on minimal surface(2017/01)
Analysis of the invariant scheme for MFS in doubly-connected regions(conference：East Asia Section of SIAM (EASIAM) 2016)(2016/06)
Structure-preserving numerical scheme for polygonal moving boundary pboelms(conference：ANZIAM 2020)
Numerical analysis of the minimal surface by the method of fundamental solutions(conference：Workshop on Applied Mathematics and Scientific Computing)(2023/01/11)
Numerical scheme for solving Hele-Shaw problems based on the method of fundamental solutions(conference：ANZIAM2019)(2019/02)
Interface model of the self-propelled object motion with shape change(conference：RIMS Conference "Multidisciplinary Research on Nonlinear Phenomena: Modeling, Analysis and Applications")(2023/11/10)
Numerical analysis of the method of fundamental solutions applied to Helmholtz-type equations(conference：Mini-symposium on Verified Computing and Computer-Assisted Proof)(2019/09)
Numerical analysis of constrained total variation flows(conference：Mathematical Aspects of Surface and Interface Dynamics 18)(2019/10)
Regularization of optimal transport problems by Bregman divergence(conference：Seminar on Partial Differential Equations)(2023/10/31)
Numerical analysis of constrained total variation flows(conference：ODE-JP-2019)(2019/09)
Structure-preserving numerical analysis of moving boundary problems with stabilization by tangential velocity(2023/06/05)
Mathematical analysis of the method of fundamental solutions applied to Helmholtz-type equations(conference：EASIAM2019)(2019/06)
Numerical analysis of method of fundamental solutions applied to Helmholtz-type equations(conference：ICIAM2019: International Congress on Industrial and Applied Mathematics)(2019/07)
Bidirectional numerical conformal mapping based on the dipole simulation method(conference：A3 Workshop on fluid dynamics and related topics)(2019/03)
Regularization of the optimal transport problem by the Bregman divergence(conference：One-day mini-symposium of "Czech–Japanese Seminar in Applied Mathematics")(2023/08/18)
Numerical analysis of discrete total variation flow with manifold constraint(conference：Geometric Analysis and General Relativity)
Reaction-diffusion type modeling of self-propelled object motion and its singular limit(conference：ALGORITMY 2024)(2024/03/19)

Others

Arts and Fieldwork

Patent

Theme to the desired joint research

○Numerical analysis of optimal transport theory
○Mathematical and numerical analysis of interfacial phenomena in materials science, fluid mechanics, etc.

Grant-in-Aid for Scientific Research

○「多様な複雑現象の記述に向けた複素特異点解析の深化」(2023-2027)　
○「離散複素解析学の基盤創出」(2022-2024)　
○「基本解近似解法による流体現象の高精度数値解析」(2018-2022)　
○「界面科学・材料科学に現れるSobolev幾何学流の数学・数値解析」(2022-2025)　

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

○Mathematical modeling and simulation b(2024)
○Mathematical modeling and simulation a(2024)
○Advanced Calculus 3B(2024)
○Presentation and Debate(2024)
○Academic Skills(2024)
○Selected Topics(2023)
○Mathematical modeling and simulation b(2023)
○Advanced Calculus 3B(2023)
○Selected Topics(2023)
○Mathematical modeling and simulation a(2023)
○Advanced Calculus 3B(2023)
○Mathematical modeling and simulation b(2023)
○Mathematical modeling and simulation a(2023)

Classes (Graduate Schools)

○Laboratory Rotation I(2024)
○Laboratory RotationⅠ(2024)
○Basics of Applied Analysis b(2024)
○Basics of Applied Analysis a(2024)
○Topics in Computational Science b(2024)
○Topics in Computational Science a(2024)
○Laboratory Rotation I(2023)
○Laboratory RotationⅠ(2023)
○Basics of Applied Analysis b(2023)
○Basics of Applied Analysis a(2023)
○Special Lectures on Computational Science(2023)
○Special Lectures on Computational Science(2023)
○Basics of Applied Analysis b(2023)
○Basics of Applied Analysis a(2023)

Associate Professor　SAKAKIBARA, Koya

Faculty, Affiliation

College and School Educational Field

Laboratory

Academic Background

Career

Year & Month of Birth

Academic Society

Award

Specialities

Speciality Keywords

Research Themes

Mathematical analysis of the method of fundamental solutions

Structure-preserving numerical analysis of moving boundary problems

Books

Papers

Conference Presentations

Others

Arts and Fieldwork

Patent

Theme to the desired joint research

Grant-in-Aid for Scientific Research

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

Classes (Graduate Schools)

International Project

International Students

Lecture themes

Others (Social Activities)

Associate Professor SAKAKIBARA, Koya

Faculty, Affiliation

College and School Educational Field

Laboratory

Academic Background

Career

Year & Month of Birth

Academic Society

Award

Specialities

Speciality Keywords

Research Themes

Mathematical analysis of the method of fundamental solutions

Structure-preserving numerical analysis of moving boundary problems

Books

Papers

Conference Presentations

Others

Arts and Fieldwork

Patent

Theme to the desired joint research

Grant-in-Aid for Scientific Research

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

Classes (Graduate Schools)

International Project

International Students

Lecture themes

Others (Social Activities)

Associate Professor　SAKAKIBARA, Koya