YAMASHITA TOMOKI 山下登茂紀

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YAMASHITA Tomoki 山下登茂紀

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Researcher Number	10410458
Other IDs
Affiliation (Current)	2025: 近畿大学, 理工学部, 教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 近畿大学, 理工学部, 教授 2015 – 2021: 近畿大学, 理工学部, 准教授 2011 – 2014: 近畿大学, 理工学部, 講師 2009 – 2010: Kitasato University, 一般教育部, 講師
Review Section/Research Field	Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / Basic Section 12030:Basic mathematics-related / Foundations of mathematics/Applied mathematics Except Principal Investigator General mathematics (including Probability theory/Statistical mathematics)
Keywords	Principal Investigator ハミルトン閉路 / グラフ理論 / 閉路 / 次数和条件 / 組合せ論 / 離散数学 / 次数条件 / 全域木 / ハミルトン路 Except Principal Investigator グラフマイナー … More / グラフ理論 / タフネス / 完全マッチング / 禁止部分グラフ / アメリカ:台湾 / 国際研究者交流 / 台湾 / アメリカ / 国際情報交換 / 森グラフ / 彩色問題 / Hadwiger予想 / マッチング拡張性 / シータグラフ / 弦付きサイクル / 極値問題 / 全域木 / 閉曲面上への埋め込み / クローフリーグラフ / 禁止マイナー / マイナー / グラフ / 組合せ論 Less

閉路の存在を保証する次数条件の総合的研究Principal Investigator
- Principal Investigator
  
  山下登茂紀
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12030:Basic mathematics-related
- Research Institution
  Kindai University
A study on the relation of degree conditions for the existence of substructures in graphsPrincipal Investigator
- Principal Investigator
  
  Yamashita Tomoki
- Project Period (FY)
  2016 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Kindai University
A study on invariants that guarantee the existence of cycles and treesPrincipal Investigator
- Principal Investigator
  
  YAMASHITA Tomoki
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kinki University
Integrated research of extremal problems on graph factors, minors and subgraphs
- Principal Investigator
  
  Ota Katsuhiro
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Keio University
Degree sum conditions for cyclesPrincipal Investigator
- Principal Investigator
  
  YAMASHITA Tomoki
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kitasato University
Research on graphs characterized by forbidden minors
- Principal Investigator
  
  OTA Katsuhiro
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Keio University

[Journal Article] Hamilton cycles passing through a matching in a bipartite graph with high degree sum2024
- Author(s)
  Fujisawa Jun、Tsugaki Masao、Yamashita Tomoki、Yashima Takamasa
- Journal Title
  
  Discrete Mathematics
  
  Volume: 347 Issue: 1 Pages: 113692-113692
- DOI
  10.1016/j.disc.2023.113692
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14353, KAKENHI-PROJECT-20K03723, KAKENHI-PROJECT-21K03342
[Journal Article] Minimum degree conditions for the existence of a sequence of cycles whose lengths differ by one or two2023
- Author(s)
  S. Chiba, K. Ota and T. Yamashita
- Journal Title
  
  Journal of Graph Theory
  
  Volume: 103 Issue: 2 Pages: 340-358
- DOI
  10.1002/jgt.22921
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K03404, KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-20K03720, KAKENHI-PROJECT-23K20225
[Journal Article] A degree condition for cycles passing through specified vertices and edges2023
- Author(s)
  Shuya Chiba, Masao Tsugaki, Tomoki Yamashita
- Journal Title
  
  Discrete Mathematics
  
  Volume: 346 Issue: 12 Pages: 113633-113633
- DOI
  10.1016/j.disc.2023.113633
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03720, KAKENHI-PROJECT-21K03342, KAKENHI-PROJECT-23K20225
[Journal Article] Panconnectivity in Bipartite Graphs with Large Degree sum2023
- Author(s)
  Tsugaki Masao、Yamashita Tomoki、Yashima Takamasa
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 39 Issue: 2 Pages: 37-37
- DOI
  10.1007/s00373-023-02630-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14353, KAKENHI-PROJECT-16K05262
[Journal Article] A Chv\'{a}tal-Erd\H{o}s condition for the existence of a cycle intersecting specified connected subgraphs2022
- Author(s)
  Shuya Chiba, Masao Tsugaki, Tomoki Yamashita
- Journal Title
  
  Discrete Mathematics
  
  Volume: 345 Issue: 6 Pages: 112808-112808
- DOI
  10.1016/j.disc.2022.112808
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03720, KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-23K20225
[Journal Article] Spanning Bipartite Graphs with Large Degree Sum in Graphs of Odd Order2021
- Author(s)
  Chiba Shuya、Saito Akira、Tsugaki Masao、Yamashita Tomoki
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 37 Issue: 5 Pages: 1841-1858
- DOI
  10.1007/s00373-021-02349-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-20K03720, KAKENHI-PROJECT-20K11684, KAKENHI-PROJECT-23K20225
[Journal Article] Spanning bipartite graphs with high degree sum in graphs2020
- Author(s)
  G.Chen, S.Chiba, R.J.Gould, X.Gu, A.Saito, M.Tsugaki and T.Yamashita
- Journal Title
  
  Discrete Math.
  
  Volume: 343 Issue: 2 Pages: 111663-111663
- DOI
  10.1016/j.disc.2019.111663
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-17K05347, KAKENHI-PROJECT-17K05348, KAKENHI-PROJECT-20K11684
[Journal Article] On a spanning tree with specified leaves in a bipartite graph2020
- Author(s)
  M.Tsugaki and T.Yamashita
- Journal Title
  
  Austras. J.Combin.
  
  Volume: 77 Pages: 69-86
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05262
[Journal Article] A degree sum condition on the order, the connectivity and the independence number for Hamiltonicity2019
- Author(s)
  S.Chiba, M.Furuya, K.Ozeki, M.Tsugaki and T.Yamashita
- Journal Title
  
  Electronic Journal of Combinatorics
  
  Volume: 26 Issue: 4
- DOI
  10.37236/5480
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-18K03391, KAKENHI-PROJECT-18K13449, KAKENHI-PROJECT-17K05347
[Journal Article] On 2-factors with a specified number of components in line graphs2019
- Author(s)
  S.Chiba, Y.Egawa, J.Fujisawa, A.Saito, I.Schiermeyer, M.Tsugaki, T.Yamashita
- Journal Title
  
  Acta Math. Univ. Comenian. (N.S.)
  
  Volume: 88 Pages: 541-546
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05262
[Journal Article] Degree Conditions for the Existence of Vertex-Disjoint Cycles and Paths: A Survey2018
- Author(s)
  Chiba Shuya、Yamashita Tomoki
- Journal Title
  
  Graphs Combin.
  
  Volume: 34 Issue: 1 Pages: 1-83
- DOI
  10.1007/s00373-017-1873-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-17K05347, KAKENHI-PROJECT-17K05348, KAKENHI-PROJECT-16H03952
[Journal Article] On directed 2-factors in digraphs and 2-factors containing perfect matchings in bipartite graphs2018
- Author(s)
  Chiba Shuya、Yamashita Tomoki
- Journal Title
  
  SIAM J.Discrete Math.
  
  Volume: 32 Issue: 1 Pages: 394-409
- DOI
  10.1137/16m1108959
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-17K05347, KAKENHI-PROJECT-17K05348, KAKENHI-PROJECT-16H03952
[Journal Article] A note on degree sum conditions for 2-factors with a prescribed number of cycles in bipartite graphs2017
- Author(s)
  Chiba Shuya、Yamashita Tomoki
- Journal Title
  
  Discrete Math.
  
  Volume: 340 Issue: 12 Pages: 2871-2877
- DOI
  10.1016/j.disc.2017.07.028
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-17K05347, KAKENHI-PROJECT-16H03952
[Journal Article] Degree sum conditions for path-factors with specified end vertices in bipartite graphs2017
- Author(s)
  R.Matsubara, H.Matsumura, M.Tsugaki and T.Yamashita
- Journal Title
  
  Discrete Math.
  
  Volume: 340 Issue: 2 Pages: 87-95
- DOI
  10.1016/j.disc.2016.07.015
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K05262
[Journal Article] Degree sum conditions for vertex-disjoint cycles passing through specified vertices2017
- Author(s)
  Shuya Chiba, Tomoki Yamashita
- Journal Title
  
  Discrete Mathematics
  
  Volume: 340 Issue: 4 Pages: 678-690
- DOI
  10.1016/j.disc.2016.12.010
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400187, KAKENHI-PROJECT-26800083, KAKENHI-PROJECT-16K05262, KAKENHI-PROJECT-16H03952
[Journal Article] Perfect matchings avoiding prescribed edges in a star-free graph2015
- Author(s)
  Yoshimi Egawa, Jun Fujisawa, Michael D. Plummer, Akira Saito and Tomoki Yamashita
- Journal Title
  
  Discrete Mathematics
  
  Volume: 339 Issue: 12 Pages: 2260-2274
- DOI
  10.1016/j.disc.2015.05.014
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25330017, KAKENHI-PROJECT-26800085, KAKENHI-PROJECT-24740074, KAKENHI-PROJECT-24340021
[Journal Article] Spanning k-trees of Bipartite Graphs2015
- Author(s)
  Mikio Kano, K.Ozeki, K.Suzuki, M.Tsugaki and T.Yamashita
- Journal Title
  
  Electron. J. Combin.
  
  Volume: 22
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24740074
[Journal Article] Closure and spanning k-trees2014
- Author(s)
  R. Matsubara, M. Tsugaki, and T.Yamashita
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 30 Issue: 4 Pages: 957-962
- DOI
  10.1007/s00373-013-1314-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23540159, KAKENHI-PROJECT-24740074
[Journal Article] Degree sum conditions for the circumference of 4-connected graphs2014
- Author(s)
  S.Chiba, M.Tsugaki and T.Yamashita
- Journal Title
  
  Discrete Math.
  
  Volume: 333 Pages: 66-83
- DOI
  10.1016/j.disc.2014.06.012
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24740074, KAKENHI-PROJECT-26800083
[Journal Article] Spanning trees with a bounded number of leaves in a claw-free graphs2013
- Author(s)
  H. Matsuda, K. Ozeki, T. Yamashita
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: (掲載決定) Issue: 2 Pages: 429-437
- DOI
  10.1007/s00373-012-1277-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J04633, KAKENHI-PROJECT-23540159, KAKENHI-PROJECT-24740074
[Journal Article] Degree sum conditions for cyclability in bipartite graphs2013
- Author(s)
  H.Okamura and T.Yamashita
- Journal Title
  
  Graphs Combin.
  
  Volume: 29 Issue: 4 Pages: 1077-1085
- DOI
  10.1007/s00373-012-1148-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24740074
[Journal Article] Spanning Caterpillars Having at Most k Leaves2013
- Author(s)
  M.Kano, T.Yamashita and Z.Yan
- Journal Title
  
  Computational Geometry and Graphs (Lecture Notes in Computer Science)
  
  Volume: 8296 Pages: 95-100
- DOI
  10.1007/978-3-642-45281-9_9
- ISBN
  9783642452802, 9783642452819
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24740074
[Journal Article] Long cycles in unbalanced bipartite graphs2012
- Author(s)
  S. Chiba, J. Fujisawa, M. Tsugaki and T. Yamashita
- Journal Title
  
  Discrete Mathematics
  
  Volume: 312 Issue: 11 Pages: 1857-1862
- DOI
  10.1016/j.disc.2012.02.019
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740068, KAKENHI-PROJECT-23740087, KAKENHI-PROJECT-24740074
[Journal Article] Length of Longest Cycles in a Graph Whose Relative Length is at Least Two2012
- Author(s)
  K.Ozeki, T.Yamashita
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: (掲載決定) Issue: 6 Pages: 859-868
- DOI
  10.1007/s00373-011-1078-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J04633, KAKENHI-PROJECT-24740074
[Journal Article] Spanning trees-A survey2011
- Author(s)
  K.Ozeki, T.Yamashita
- Journal Title
  
  Graphs Combin. 27(1)
  
  Pages: 1-26
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] Spanning trees-A survey2011
- Author(s)
  K.Ozeki, T.Yamashita
- Journal Title
  
  Graphs Combin.
  
  Volume: 27(1) Pages: 1-26
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] Degree Bounded Spanning Trees2010
- Author(s)
  J.Fujisawa, H.Matsumura, T.Yamashita
- Journal Title
  
  Graphs Combin. 26(5)
  
  Pages: 695-720
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] Degree Bounded Spanning Trees2010
- Author(s)
  J.Fujisawa, H.Matsumura, T.Yamashita
- Journal Title
  
  Graphs Combin.
  
  Volume: 26(5) Pages: 695-720
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] A spanning tree with high degree vertices2010
- Author(s)
  K.Ozeki, T.Yamashita
- Journal Title
  
  Graphs Combin. 26(4)
  
  Pages: 591-596
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] A neighborhood and degree condition for panconnectivity2010
- Author(s)
  R.Matsubara, M.Tsugaki, T.Yamashita
- Journal Title
  
  Austras.J.Combin.
  
  Volume: 47 Pages: 3-10
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] A neighborhood and degree condition for panconnectivity, Austras.2010
- Author(s)
  R.Matsubara, M.Tsugaki, T.Yamashita
- Journal Title
  
  J. Combin. 47
  
  Pages: 3-10
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] A spanning tree with high degree vertices2010
- Author(s)
  K.Ozeki, T.Yamashita
- Journal Title
  
  Graphs Combin.
  
  Volume: 26 Pages: 591-596
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] On relative length of longest paths and cycles2009
- Author(s)
  K.Ozeki, M.Tsugaki, T.Yamashita
- Journal Title
  
  J.Graph Theory 62
  
  Pages: 279-291
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] On relative length of longest paths and cycles2009
- Author(s)
  K.Ozeki, M.Tsugaki, T.Yamashita
- Journal Title
  
  J. Graph Theory 62(3)
  
  Pages: 279-291
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] Dominating cycles in graphs with high connectivity2009
- Author(s)
  M.Tsugaki, T.Yamashita
- Journal Title
  
  Ars Combin. 91
  
  Pages: 113-121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] Dominating cycles in graphs with high comectivity2009
- Author(s)
  M.Tsugaki, T.Yamashita
- Journal Title
  
  Ars Combin. 91
  
  Pages: 113-121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] A degree sum condition with connectivity for relative length of longest paths and cycles2009
- Author(s)
  T.Yamashita
- Journal Title
  
  Discrete Math. 309(23-24)
  
  Pages: 6503-6507
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740081
[Journal Article] Degree conditions on claws and modified claws for hamiltonicity of graphs2008
- Author(s)
  J. Fujisawa, T. Yamashita
- Journal Title
  
  Discrete Mathematics 308
  
  Pages: 1612-1619
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340023
[Journal Article] Spanning trees with a bounded number of leaves in a claw-free graph
- Author(s)
  A.Kyaw, M.Kano, H.Matsuda, K.Ozeki, A.Saito, T.Yamashita
- Journal Title
  
  Ars Combin. 掲載決定
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] 指定された部分グラフを通過する閉路について2023
- Author(s)
  山下登茂紀
- Organizer
  第19回組合せ論若手研究集会
- Data Source
  KAKENHI-PROJECT-21K03342
[Presentation] 閉路の存在を保証する次数和条件の規則性2021
- Author(s)
  山下登茂紀
- Organizer
  Japanese Conference on Combinatorics and its Applications 2021
- Data Source
  KAKENHI-PROJECT-21K03342
[Presentation] 閉路の連続した長さについて2019
- Author(s)
  山下登茂紀
- Organizer
  石巻組合せ論研究集会
- Data Source
  KAKENHI-PROJECT-16K05262
[Presentation] 閉路の存在性に関する定理の関係について2016
- Author(s)
  山下登茂紀
- Organizer
  日本応用数理学会 2016年度年会
- Place of Presentation
  北九州国際会議場（福岡県北九州市）
- Data Source
  KAKENHI-PROJECT-16K05262
[Presentation] 閉路や木が存在するための次数和条件2015
- Author(s)
  山下登茂紀
- Organizer
  平成 27 年度 RIMS 共同研究「デザイン、符号、グラフおよびその周辺」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2015-07-10
- Data Source
  KAKENHI-PROJECT-24740074
[Presentation] ハミルトン閉路が存在するための次数和条件2014
- Author(s)
  山下登茂紀
- Organizer
  田澤新成先生ご退職記念関西グラフ理論研究集会
- Place of Presentation
  近畿大学総合社会学部
- Data Source
  KAKENHI-PROJECT-24740074
[Presentation] ハミルトン閉路が存在するための次数和条件2014
- Author(s)
  千葉周也, 古谷倫貴, 小関健太, 津垣正男, 山下登茂紀
- Organizer
  離散数学とその応用研究集会
- Place of Presentation
  新潟総合テレビゆめディア（新潟県）
- Year and Date
  2014-08-21
- Data Source
  KAKENHI-PROJECT-24740074
[Presentation] ある数列問題と離散幾何への応用2012
- Author(s)
  中本敦浩，小田芳彰，山下登茂紀，渡辺守
- Organizer
  離散数学1日研究集会
- Place of Presentation
  東京理科大学（東京）
- Data Source
  KAKENHI-PROJECT-24740074
[Presentation] Degree sum conditions concerning the connectivity and the independence number2012
- Author(s)
  S.Chiba, M.Tsugaki and T.Yamashita
- Organizer
  Cycles in Graphs
- Place of Presentation
  Vanderbilt University (Nashville, United States of America)
- Data Source
  KAKENHI-PROJECT-24740074
[Presentation] グラフの不変量と閉路の存在について2012
- Author(s)
  山下登茂紀
- Organizer
  日本応用数理学会2012年度年会
- Place of Presentation
  稚内全日空ホテル（稚内）
- Data Source
  KAKENHI-PROJECT-24740074
[Presentation] Degree sum conditions concerning the order, the connectivity and the independence number for the circumference2011
- Author(s)
  Tomoki Yamashita
- Organizer
  Workshop Cycles and Colourings 2011
- Place of Presentation
  Novy Smokovec, Slovakia
- Year and Date
  2011-09-08
- Data Source
  KAKENHI-PROJECT-20340023
[Presentation] Longest cycles in bipartite graphs2010
- Author(s)
  山下登茂紀
- Organizer
  離散数学とその応用研究集会
- Place of Presentation
  高知大学
- Year and Date
  2010-07-31
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Cycles in unbalanced bipartite graphs2010
- Author(s)
  T.Yamashita
- Organizer
  3rd Pacific Workshop on Discrete Mathematics
- Place of Presentation
  Tokai University Pacific Center(ハワイ)
- Year and Date
  2010-12-09
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Hamiltonicity and cyclability in bipartite graphs2010
- Author(s)
  山下登茂
- Organizer
  日本数学会2009年度春季総合分科会
- Place of Presentation
  慶應義塾大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Degree sum conditions for cyclability in bipartite graphs2010
- Author(s)
  T.Yamashita
- Organizer
  8th French Combinatorial Conference
- Place of Presentation
  Universite Paris Sud
- Year and Date
  2010-06-29
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] 2部グラフにおける指定された頂点を通るサイクル2010
- Author(s)
  山下登茂紀
- Organizer
  岡村治子先生退職記念研究集会
- Place of Presentation
  甲南大学
- Year and Date
  2010-03-07
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Hamiltonicity and cyclability in bipartite graphs2010
- Author(s)
  山下登茂紀
- Organizer
  日本数学会2010年度春季総合分科会
- Place of Presentation
  慶應義塾大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Longest cycles in bipartite graphs2010
- Author(s)
  山下登茂紀
- Organizer
  離散数学とその応用研究集会
- Place of Presentation
  高知大学(高知県)
- Year and Date
  2010-07-31
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Degree sum conditions for cyclability in bipartite graphs2010
- Author(s)
  T.Yamashita
- Organizer
  8th French Combinatorial Conference
- Place of Presentation
  Universite Paris Sud(フランス)
- Year and Date
  2010-06-29
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Cycles in unbalanced bipartite graphs2010
- Author(s)
  T.Yamashita
- Organizer
  3rd Pacific Workshop on Discrete Mathematics
- Place of Presentation
  Tokai University
- Year and Date
  2010-12-09
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Degree sum conditions for cyclabllty in bipartite graphs2009
- Author(s)
  山下登茂紀
- Organizer
  離散数学とその応用研究集会
- Place of Presentation
  茨城大学
- Year and Date
  2009-08-09
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] A degree sum condition with connectivity for relative length of longest paths and cycles2009
- Author(s)
  T.Yamashita
- Organizer
  22nd British Combinatorial Conference
- Place of Presentation
  University of St Andrews
- Year and Date
  2009-07-06
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] A degree sum condition with connectivity for relative length of longest paths and cycles2009
- Author(s)
  T.Yamashita
- Organizer
  22nd British Combinatorial Conterence
- Place of Presentation
  University of St Andrews
- Year and Date
  2009-07-06
- Data Source
  KAKENHI-PROJECT-21740081
[Presentation] Degree sum conditions for cyclablity in bipartite graphs2009
- Author(s)
  山下登茂紀
- Organizer
  離散数学とその応用研究集会
- Place of Presentation
  茨城大学
- Year and Date
  2009-08-09
- Data Source
  KAKENHI-PROJECT-21740081

1. OTA Katsuhiro (40213722)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
2. TAMURA Akihisa (50217189)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. ODA Yoshiaki (90325043)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. ISHII Ippei (90051929)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. FUJISAWA Jun (00516099)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
6. NAKAMOTO Atsuhiro (20314445)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. ENOMOTO Hikoe

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. OZEKI Kenta

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. TSUCHIYA Shoichi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. NOGUCHI Kenta

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. SAKUMA Tadashi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 斎藤明

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
13. 千葉周也

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
14. 松原良太

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 八島高将

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

YAMASHITA TOMOKI 山下 登茂紀

YAMASHITA Tomoki 山下 登茂紀

Research Projects

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閉路の存在を保証する次数条件の総合的研究Principal Investigator

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A study on the relation of degree conditions for the existence of substructures in graphsPrincipal Investigator

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A study on invariants that guarantee the existence of cycles and treesPrincipal Investigator

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Integrated research of extremal problems on graph factors, minors and subgraphs

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Degree sum conditions for cyclesPrincipal Investigator

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Research on graphs characterized by forbidden minors

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[Journal Article] Hamilton cycles passing through a matching in a bipartite graph with high degree sum2024

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[Journal Article] Minimum degree conditions for the existence of a sequence of cycles whose lengths differ by one or two2023

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[Journal Article] A degree condition for cycles passing through specified vertices and edges2023

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[Journal Article] Panconnectivity in Bipartite Graphs with Large Degree sum2023

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[Journal Article] A Chv\'{a}tal-Erd\H{o}s condition for the existence of a cycle intersecting specified connected subgraphs2022

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[Journal Article] Spanning Bipartite Graphs with Large Degree Sum in Graphs of Odd Order2021

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[Journal Article] Spanning bipartite graphs with high degree sum in graphs2020

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[Journal Article] On a spanning tree with specified leaves in a bipartite graph2020

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YAMASHITA TOMOKI 山下登茂紀

YAMASHITA Tomoki 山下登茂紀