Nishiyama Takahiro 西山高弘

… Alternative Names

NISHIYAMA Takahiro 西山高弘

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Researcher Number	60333241
Other IDs
Affiliation (Current)	2025: 山口大学, 大学院創成科学研究科, 教授
Affiliation (based on the past Project Information) *help	2025: 山口大学, 大学院創成科学研究科, 教授 2021 – 2023: 山口大学, 大学院創成科学研究科, 教授 2018 – 2020: 山口大学, 大学院創成科学研究科, 准教授 2007 – 2010: Yamaguchi University, Graduate School of Science and Engineering, Associate Professor 2006: Yamaguchi University, Graduate School of Science and Engineering, Associate Professor, 大学院理工学研究科, 助教授 … More 2006: 山口大学, 理工学研究科, 助教授 2004 – 2006: 山口大学, 工学部, 助教授 2002 – 2003: Fukuoka Institute of Technology, Faculty of Information Engineering, Assistant Professor, 工学部, 助教授 2001 – 2002: 福岡工業大学, 工学部, 講師 Less
Review Section/Research Field	Principal Investigator Basic Section 12040:Applied mathematics and statistics-related / General mathematics (including Probability theory/Statistical mathematics) / Global analysis / Global analysis Except Principal Investigator Geometry / Basic analysis / Algebra / Global analysis / Geometry
Keywords	Principal Investigator ベルトラミ流 / オイラー方程式 / 不変トーラス / 力学系 / 渦 / 流体 / ヘルムホルツ場 / 絡み目 / 結び目 / 結晶学的対称性 … More / 結晶群 / 液晶 / 磁気群 / ブルー相 / キラル液晶 / 流体力学 / 特殊関数 / 円管ポアズイユ流 / 合流型超幾何関数 / クーロン波動関数 … More Except Principal Investigator skew information / Liouville surface / Liouville manifold / Liouville metric / semi-symmetric space / Lorentz manifold / Heisenberg inequality / uncertainty relation / Cramer-Rao inequality / operator inequality / Tsallis entropy / quantum computation / operator / operator entropy / エントロピー / Heisenberg不等式 / 不確定性関係 / Cramer-Rao不等式 / 作用素不等式 / Tsallisエントロピー / 量子計算 / 作用素 / simple group / Burnside ring / subgroup lattice / prime graph / finite group / 単純群 / バーンサイド環 / 部分群束 / 素数グラフ / 有限群 / Peakon solution / Inverse scattering method / Benjamin-Ono equation / Degasperis-Procesi equation / Camassa-Holm equation / Zero dispersion limit / Nonlinear wave equation / Soliton / Peakon解 / 逆散乱法 / Benjamin-Ono方程式 / Degasperis-Procesi方程式 / Camassa-Holm方程式 / 零分散極限 / 非線形波動方程式 / ソリトン / generalized Liouville manifold / Lorentzian metric / リッチ曲率 / 大域的構造 / 共形平坦 / ローレンツ曲面 / 局所共形平坦 / ローレンツ型擬対称空間 / generalized-Liouville構造 / Liouville構造 / Lorentz-Liouville構造 / generalized Liouville / Lorentz metric / Galerkin approximation / Euler eq / Hahn-Banach type theorems / extension of functions / locally pseudoconvex spaces / comparison theorems / sectional curvature / riemannian manifolds / トポノゴフの三角形比較定理 / 局所凸空間 / 正則関数の延長 / 局所擬凸複素空間 / 最短閉側地線 / ガレルキン近似 / Euler方程式 / Hahn-Banach型定理 / 関数の延長 / 局所擬凸空間 / 比較定理 / 断面曲率 / リーマン多様体 / トポロジー / 結び目理論 / 位相幾何 Less

流体中で結び目や絡み目をなす渦管の化学物質との構造類似性に着目した研究Principal Investigator
- Principal Investigator
  
  西山高弘
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Yamaguchi University
結晶学的対称性をもったソレノイダルなベクトル場の不変トーラスの研究Principal Investigator
- Principal Investigator
  
  西山高弘
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Yamaguchi University
Research on structure of chiral liquid crystals by dynamical system methodPrincipal Investigator
- Principal Investigator
  
  Nishiyama Takahiro
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Yamaguchi University
A study on invariants for knots derived from the magnetic graph
- Principal Investigator
  
  MIYAZAWA Yasuyuki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Yamaguchi University
Applications of Coulomb wave functions to fluid mechanics.Principal Investigator
- Principal Investigator
  
  NISHIYAMA Takahiro
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Yamaguchi University
Study of Inequalities in Operator Theory and Quantum Information Theory
- Principal Investigator
  
  KURIYAMA Ken
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Yamaguchi University
Generalized Burnside rings and generalized prime graphs of finite groups
- Principal Investigator
  
  IIYORI Nobuo
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Yamaguchi University
Research on global structures of Lorentzian semi-symmetric spaces
- Principal Investigator
  
  GOTO Midori
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Fukuoka Institute of Technology
Study on the asymptotic behavior of solutions for the nonlocal soliton equations in the zero dispersion limit
- Principal Investigator
  
  MATSUNO Yoshimasa
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Global analysis
- Research Institution
  Yamaguchi University
流体中の渦の運動と複雑な流れに関するオイラー方程式の研究Principal Investigator
- Principal Investigator
  
  西山高弘
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Global analysis
- Research Institution
  Yamaguchi University
  Fukuoka Institute of Technology
流体中の渦の運動に関するオイラー方程式の研究Principal Investigator
- Principal Investigator
  
  西山高弘
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Global analysis
- Research Institution
  Fukuoka Institute of Technology
Global Studies on Curvature and Geometric Structures of Riemannian Manifolds
- Principal Investigator
  
  ITOKAWA Yoe
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Fukuoka Institute of Technology

All 2023 2022 2021 2019 2018 2009 2008 2007 2006 2005 Other

All Journal Article Presentation

[Journal Article] Knots and links of invariant tori in Beltrami flows with cubic symmetry2023
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Physics Letters A
  
  Volume: 460 Pages: 128614-128614
- DOI
  10.1016/j.physleta.2022.128614
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K03414
[Journal Article] Rod-packing arrangements of invariant tori in solenoidal vector fields with cubic symmetries2022
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Journal of Mathematical Chemistry
  
  Volume: 60 Issue: 7 Pages: 1163-1199
- DOI
  10.1007/s10910-022-01349-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03416
[Journal Article] Crystallography of three-dimensional fluid flows with chirality in hexagonal cases2019
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Acta Crystallographica Section A
  
  Volume: 75 Issue: 6 Pages: 798-813
- DOI
  10.1107/s205327331901146x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03416
[Journal Article] Distribution of complex phase velocities for small disturbances to pipe Poiseuille flow.2009
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Journal of Fluid Mechanics 620
  
  Pages: 299-312
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540133
[Journal Article] Distribution of complex phase velocities for small disturbances to pipe Poiseuille flow2009
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Journal of Fluid Mechanics vol.620
  
  Pages: 299-312
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540133
[Journal Article] Application of Coulomb wave functions to an orthogonal series associated with steady axisymmetric Euler flows2008
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Journal of Approximation Theory 151
  
  Pages: 42-59
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540133
[Journal Article] Application of Coulomb wave functions to an orthogonal series associated with steady axisymmetric Euler flows2008
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Journal of Approximation Theory vol.151
  
  Pages: 42-59
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540133
[Journal Article] Magnetohydrodynamic approaches to measure-valued solutions of the two-dimensional stationary Euler equations2007
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Bulletin of the Institute of Mathematics, Academia Sinica, New Series 2
  
  Pages: 139-154
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540133
[Journal Article] An integral transform whose kernel is a stream function of a steady Euler flow with axisymmetry2007
- Author(s)
  西山高弘
- Journal Title
  
  Z.Agnew Math.Phys. 58
  
  Pages: 68-80
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] An integral transform whose kernel is a stream function of a steady Euler flow with axisymmetry2007
- Author(s)
  Takahito Nishiyama
- Journal Title
  
  Z. Angew. Math. Phys. 58
  
  Pages: 68-80
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] An integral transform whose kernel is a stream function of a steady Euler flow with axisymmetry2007
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Z. Angew. Math. Phys. 58
  
  Pages: 68-80
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] A relaxation method for construction a Beltrami flow in a bounded domain2006
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  J. Math. Phys. 46・8
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] A relaxation method for construction a Beltrami flow in a bounded domain2006
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  J. Math. Phys. 46-8
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] Construction of axisymmetric steady states of an inviscid incompressible fluid by apatially discretized equations for psudo-advected vorticity2005
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Int. J. Math. and Math. Sci. 2005・20
  
  Pages: 3319-3346
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] A relaxation method for constructing a Beltrami flow in a bounded domain2005
- Author(s)
  T.Nishiyama
- Journal Title
  
  Journal of Mathematical Physics 46
- Data Source
  KAKENHI-PROJECT-16540196
[Journal Article] Construction of axisymmetric steady states of an inviscid incompressible fluid by apatially discretized equations for psudo-advected vorticity2005
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Int. J. Math. and Math. Sci. 2005-20
  
  Pages: 3319-3346
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] A relaxation method for constructing a Beltrami flow in a bounded domain2005
- Author(s)
  西山高弘
- Journal Title
  
  J.Math.Phys. 46・8
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] A relaxation method for constructing a Beltrami flow in a bounded domain2005
- Author(s)
  T.Nishiyama
- Journal Title
  
  Journal of Mathematical Physics Vol.46
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540196
[Journal Article] Construction of axisymmetric steady states of an inviscid incompressible fluid by spatially disally discretized equations for pseudo-advected vorticity2005
- Author(s)
  西山高弘
- Journal Title
  
  Int.J.Math.Sci. 2005・20
  
  Pages: 3319-3346
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] Magnetohydrodynamics approaches to measure-valued solutions of the two-dimensional stationary Euler equations
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Bull. Inst. Math. Sinica (New Series) (印刷中)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] Two applications of Coulomb wave functions in hydrodynamics
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  京都大学数理解析研究所講究録「オイラー方程式の数理:力学と変分原理250年」印刷中
- Data Source
  KAKENHI-PROJECT-20540079
[Journal Article] Magnetohydrodynamics approaches to measure-valued solutions of the two-dimensional stationary Euler equations
- Author(s)
  Takahiro Nishiyama
- Journal Title
  
  Bull. Inst. Math. Sinica (New Series) (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] Magnetohynamic approaches to measure-valued solutions of the two-dimensional stationary Euler equations
- Author(s)
  西山高弘
- Journal Title
  
  Transport Theory Statist.Phys. 印刷中
- Data Source
  KAKENHI-PROJECT-16540089
[Journal Article] Magnetohydrodynamic approaches to measure-valued solution of the two-dimensional stationary Euler equations
- Author(s)
  西山高弘
- Journal Title
  
  Bull.Inst.Math.Sinica(New Ser.) 印刷中
- Data Source
  KAKENHI-PROJECT-16540089
[Presentation] 立方晶の対称性をもつベクトル場におけるダブルツイスト構造．rod packing の観点から2021
- Author(s)
  西山高弘
- Organizer
  日本液晶学会
- Data Source
  KAKENHI-PROJECT-18K03416
[Presentation] 3次元周期的な流れの結晶学2019
- Author(s)
  西山高弘
- Organizer
  第65回理論応用力学講演会・第22回土木学会応用力学シンポジウム
- Data Source
  KAKENHI-PROJECT-18K03416
[Presentation] キラル液晶のシリンダ構造に関する常微分方程式を用いた考察-その3-六方晶の場合2019
- Author(s)
  西山高弘
- Organizer
  日本液晶学会討論会
- Data Source
  KAKENHI-PROJECT-18K03416
[Presentation] キラル液晶のシリンダ構造に関する常微分方程式を用いた考察 - その２ - 磁気群の応用2018
- Author(s)
  西山高弘
- Organizer
  日本液晶学会
- Data Source
  KAKENHI-PROJECT-18K03416

1. MATSUNO Yoshimasa (30190490)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. MIYAZAWA Yasuyuki (60263761)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. NISHIHARA Masaru (20112287)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. GOTO Midori (60162161)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. YANAGI Kenjiro (90108267)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. KURIYAMA Ken (10116717)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. OKADA Mari (40201389)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. SATO Yoshihisa (90231349)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. ANDO Yoshifumi (80001840)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. KOMIYA Katsuhiro (00034744)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. ITOKAWA Yoe (90223205)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. SHIRAKAWA Hiroshi (60002995)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. SUGAHARA Kunio (20093255)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. MAKINO Tetu (00131376)

# of Collaborated Projects: 1 results

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15. MASUMOTO Makoto (50173761)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. IIYORI Nobuo (00241779)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. KITAMOTO Takuya (30241780)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. KUTAMI Mamoru (80034734)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. YANAGIHARA Hiroshi (30200538)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Nishiyama Takahiro 西山 高弘

NISHIYAMA Takahiro 西山 高弘

Research Projects

Research Products

Co-Researchers

流体中で結び目や絡み目をなす渦管の化学物質との構造類似性に着目した研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

結晶学的対称性をもったソレノイダルなベクトル場の不変トーラスの研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on structure of chiral liquid crystals by dynamical system methodPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A study on invariants for knots derived from the magnetic graph

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Applications of Coulomb wave functions to fluid mechanics.Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of Inequalities in Operator Theory and Quantum Information Theory

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Generalized Burnside rings and generalized prime graphs of finite groups

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research on global structures of Lorentzian semi-symmetric spaces

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on the asymptotic behavior of solutions for the nonlocal soliton equations in the zero dispersion limit

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

流体中の渦の運動と複雑な流れに関するオイラー方程式の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

流体中の渦の運動に関するオイラー方程式の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Global Studies on Curvature and Geometric Structures of Riemannian Manifolds

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Knots and links of invariant tori in Beltrami flows with cubic symmetry2023

Author(s)

Journal Title

Nishiyama Takahiro 西山高弘

NISHIYAMA Takahiro 西山高弘