Hirohata Kazuhide 弘畑和秀

… Alternative Names

弘畑和秀ヒロハタカズヒデ

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Researcher Number	30321392
Other IDs
Affiliation (Current)	2025: 茨城工業高等専門学校, 国際創造工学科, 教授
Affiliation (based on the past Project Information) *help	2019 – 2023: 茨城工業高等専門学校, 国際創造工学科, 教授 2006: 茨城工業高等専門学校, 電子情報工学科, 助教授 2003 – 2005: 茨城工業高等専門学校, 電子情報工学科, 講師 2001 – 2002: 茨城工業高等専門学校, 電子情報工学科, 助手
Review Section/Research Field	Principal Investigator Basic Section 12030:Basic mathematics-related / General mathematics (including Probability theory/Statistical mathematics) / General mathematics (including Probability theory/Statistical mathematics)
Keywords	Principal Investigator 閉路 / 頂点 / 長さ / k連結 / 次数 / グラフ / パンサイクリックグラフ / 点素な閉路 / 弦付き閉路 / 弦 … More / グラフ理論 / 離散数学 / 通路 / 辺 / 全閉路的グラフ / 最小次数和 / pancyclic graph / minimum degree sum / vertex-disjoint cycles / chorded cycle / chord / cycle / Graph Theory / Discrete Mathematics / 最大次数 / 3連結 Less

Research Projects
(5 results)
Research Products
(8 results)

グラフの指定要素を含む閉路が存在するための十分条件Principal Investigator
- Principal Investigator
  
  弘畑和秀
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12030:Basic mathematics-related
- Research Institution
  Ibaraki National College of Technology
Structural analysis of graphs by degree conditions to the existence of cycles including specified elementsPrincipal Investigator
- Principal Investigator
  
  Hirohata Kazuhide
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12030:Basic mathematics-related
- Research Institution
  Ibaraki National College of Technology
グラフにおける長い閉路の存在性についてPrincipal Investigator
- Principal Investigator
  
  弘畑和秀
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Ibaraki National College of Technology
k連結グラフの指定した頂点集合を通る長い通路の存在性とハミルトン閉路に関する研究Principal Investigator
- Principal Investigator
  
  弘畑和秀
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Ibaraki National College of Technology
グラフの長い通路と閉路の存在性についてPrincipal Investigator
- Principal Investigator
  
  弘畑和秀
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Ibaraki National College of Technology

All 2024 2022 2021 2020

All Journal Article Presentation

[Journal Article] Chorded pancyclicity with distance two degree condition and doubly chorded pancyclicity2024
- Author(s)
  Kazuhide Hirohata, Ronald J. Gould, Megan Cream
- Journal Title
  
  Australasian Journal of Combinatorics
  
  Volume: 88(1) Pages: 97-108
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03207
[Journal Article] On degree sum conditions and vertex-disjoint chorded cycles2020
- Author(s)
  Bradley Elliott, Ronald J. Gould, Kazuhide Hirohata
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 36(6) Issue: 6 Pages: 1927-1945
- DOI
  10.1007/s00373-020-02227-z
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03610
[Journal Article] On independent triples and vertex-disjoint chorded cycles in graphs2020
- Author(s)
  Ronald J. Gould, Kazuhide Hirohata, Ariel Keller Rorabaugh
- Journal Title
  
  Australasian Journal of Combinatorics
  
  Volume: 77(3) Pages: 355-372
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03610
[Presentation] Degree sum conditions for the existence of vertex-disjoint chorded cycles in a graph2022
- Author(s)
  Kazuhide Hirohata, Bradley Elliott, Ronald J. Gould
- Organizer
  2022 日本数学会年会応用数学分科会
- Data Source
  KAKENHI-PROJECT-19K03610
[Presentation] Vertex-disjoint chorded cycles and degree sum conditions2021
- Author(s)
  Kazuhide Hirohata, Bradley Elliott, Ronald J. Gould
- Organizer
  2021 応用数学合同研究集会
- Data Source
  KAKENHI-PROJECT-19K03610
[Presentation] Vertex-disjoint chorded cycles and degree sum conditions2021
- Author(s)
  Kazuhide Hirohata, Ronald J. Gould, Ariel K. Rorabaugh
- Organizer
  2021 日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-19K03610
[Presentation] Vertex-disjoint chorded cycles and degree sum conditions2021
- Author(s)
  Kazuhide Hirohata, Ronald J. Gould, Ariel K. Rorabaugh
- Organizer
  Japanese Conference on Combinatorics and its Applications 2021
- Data Source
  KAKENHI-PROJECT-19K03610
[Presentation] Vertex-disjoint chorded cycles and degree sum condition2020
- Author(s)
  Ronald J. Gould, Kazuhide Hirohata, Ariel Keller Rorabaugh
- Organizer
  日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-19K03610

Hirohata Kazuhide 弘畑 和秀

弘畑 和秀 ヒロハタ カズヒデ

Research Projects

Research Products

グラフの指定要素を含む閉路が存在するための十分条件Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Structural analysis of graphs by degree conditions to the existence of cycles including specified elementsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

グラフにおける長い閉路の存在性についてPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

k連結グラフの指定した頂点集合を通る長い通路の存在性とハミルトン閉路に関する研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

グラフの長い通路と閉路の存在性についてPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Chorded pancyclicity with distance two degree condition and doubly chorded pancyclicity2024

Author(s)

Journal Title

Data Source

[Journal Article] On degree sum conditions and vertex-disjoint chorded cycles2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On independent triples and vertex-disjoint chorded cycles in graphs2020

Author(s)

Journal Title

Data Source

[Presentation] Degree sum conditions for the existence of vertex-disjoint chorded cycles in a graph2022

Author(s)

Organizer

Data Source

[Presentation] Vertex-disjoint chorded cycles and degree sum conditions2021

Author(s)

Organizer

Data Source

[Presentation] Vertex-disjoint chorded cycles and degree sum conditions2021

Author(s)

Organizer

Data Source

[Presentation] Vertex-disjoint chorded cycles and degree sum conditions2021

Author(s)

Organizer

Data Source

[Presentation] Vertex-disjoint chorded cycles and degree sum condition2020

Author(s)

Organizer

Data Source

Hirohata Kazuhide 弘畑和秀

弘畑和秀ヒロハタカズヒデ