SANO Yoshio 佐野良夫

Researcher Number	20650261
Other IDs
Affiliation (Current)	2019: 筑波大学, システム情報系, 准教授
Affiliation (based on the past Project Information) *help	2015 – 2019: 筑波大学, システム情報系, 准教授 2013 – 2014: 筑波大学, システム情報系, 助教
Review Section/Research Field	Principal Investigator Foundations of mathematics/Applied mathematics / Theory of informatics / Basic Section 12030:Basic mathematics-related Except Principal Investigator Social systems engineering/Safety system / Foundations of mathematics/Applied mathematics / Basic Section 25010:Social systems engineering-related / Basic Section 60020:Mathematical informatics-related
Keywords	Principal Investigator グラフ理論 / 競争グラフ / グラフ固有値 / ホフマン・グラフ / 離散構造 / マトロイド / 組合せ論 / グラフの競争数 / 交叉グラフ / トラベル・グルーポイド … More Except Principal Investigator アルゴリズム / 最適化理論 / 数理工学 / 応用数学 / ネットワーク理論 / ネットワーク / グラフ / 固有値 / 代数構造 / 代数的組合せ論 / スペクトラルグラフ理論 / 多項式 / 代数的整数 / 代数的グラフ理論 / 錐最適化 / 半正定値錐 / 線形計画問題 / 優対角錐 / 二重非負値錐 / 数理最適化 / 大域的最適化 / 非凸計画問題 Less

錐最適化における半正定値錐の多面錐近似の理論の構築とその応用Ongoing
- Principal Investigator
  
  吉瀬章子
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 25010:Social systems engineering-related
- Research Institution
  University of Tsukuba
Combinatorics of graphs, posets, matroids, and finite discrete structure and their applicationsPrincipal InvestigatorOngoing
- Principal Investigator
  
  佐野良夫
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12030:Basic mathematics-related
- Research Institution
  University of Tsukuba
Construction of practical algorithms for DC/DM global optimizationOngoing
- Principal Investigator
  
  久野誉人
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60020:Mathematical informatics-related
- Research Institution
  University of Tsukuba
Optimization problems with time and it's applications on networks.Ongoing
- Principal Investigator
  
  繁野麻衣子
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Social systems engineering/Safety system
- Research Institution
  University of Tsukuba
Research on Discrete Structure and Algorithms by using Spectral Graph TheoryPrincipal Investigator
- Principal Investigator
  
  Sano Yoshio
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Foundations of mathematics/Applied mathematics
  Theory of informatics
- Research Institution
  University of Tsukuba
Study on Algorithmic Graph Theory and Mathematical OptimizationPrincipal Investigator
- Principal Investigator
  
  SANO Yoshio
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Research Activity start-up
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  University of Tsukuba
A elucidation of the structure of graphs by Algebraic Graph Theory and Spectral Graph Theory
- Principal Investigator
  
  Taniguchi Tetsuji
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Hiroshima Institute of Technology
  Matsue National College of Technology

All 2018 2017 2016 2015 2014 2013 Other

All Journal Article Presentation

[Journal Article] The random assignment problem with submodular constraints on goods2018
- Author(s)
  Fujishige Satoru、Sano Yoshio、Zhan Ping
- Journal Title
  
  ACM Transactions on Economics and Computation
  
  Volume: 6 Pages: 1-28
- DOI
  10.1145/3175496
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25280004, KAKENHI-PROJECT-16H03118, KAKENHI-PROJECT-15K20885
[Journal Article] On the partial order competition dimensions of chordal graphs2017
- Author(s)
  Jihoon CHOI, Suh-Ryung KIM, Jung Yeun LEE, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 222 Pages: 89-96
- DOI
  10.1016/j.dam.2016.08.020
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] T-neighbor Systems and Travel Groupoids on a Graph2017
- Author(s)
  Cho Jung Rae、Park Jeongmi、Sano Yoshio
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 33 Pages: 1521-1529
- DOI
  10.1007/s00373-017-1850-z
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03118, KAKENHI-PROJECT-15K20885
[Journal Article] On the phylogeny graphs of degree-bounded digraphs2017
- Author(s)
  Seung Chul LEE, Jihoon CHOI, Suh-Ryung KIM, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 233 Pages: 83-93
- DOI
  10.1016/j.dam.2017.07.018
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] The competition graphs of oriented complete bipartite graphs2016
- Author(s)
  Suh-Ryung KIM, Jung Yeun LEE, Boram PARK, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 201 Pages: 182-190
- DOI
  10.1016/j.dam.2015.07.021
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] On the competition graphs of d-partial orders2016
- Author(s)
  Jihoon CHOI, Kyeong Seok KIM, Suh-Ryung KIM, Jung Yeun LEE, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 204 Pages: 29-37
- DOI
  10.1016/j.dam.2015.11.004
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] On the competition numbers of diamond-free graphs2016
- Author(s)
  Yoshio SANO
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 9943 Pages: 247-252
- DOI
  10.1007/978-3-319-48532-4_22
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] On the rank functions of $\mathcal{H}$-matroids2016
- Author(s)
  Yoshio SANO
- Journal Title
  
  Journal of Algebra Combinatorics Discrete Structures and Applications
  
  Volume: 3 Pages: 7-11
- DOI
  10.13069/jacodesmath.26764
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] The double competition multigraph of a digraph2015
- Author(s)
  Jeongmi PARK and Yoshio SANO
- Journal Title
  
  Discrete Mathematics and Theoretical Computer Science
  
  Volume: 17:2 Pages: 303-310
- Acknowledgement Compliant / Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] A generalization of Opsut's result on the competition numbers of line graphs2015
- Author(s)
  Suh-Ryung KIM, Jung Yeun LEE, Boram PARK, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 181 Pages: 152-159
- DOI
  10.1016/j.dam.2014.10.014
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] On the hypercompetition numbers of hypergraphs with maximum degree at most two2015
- Author(s)
  Yoshio SANO
- Journal Title
  
  Discussiones Mathematicae Graph Theory
  
  Volume: 35 Pages: 595-598
- DOI
  10.7151/dmgt.1826
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] The double competition hypergraph of a digraph2015
- Author(s)
  Jeongmi PARK and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 195 Pages: 110-113
- DOI
  10.1016/j.dam.2014.04.001
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Journal Article] Edge-signed graphs with smallest eigenvalue greater than -22015
- Author(s)
  Greaves, Gary; Koolen, Jack; Munemasa, Akihiro; Sano, Yoshio; Taniguchi, Tetsuji
- Journal Title
  
  Journal of Combinatorial Theory, Series B
  
  Volume: 110 Pages: 90-110
- DOI
  10.1016/j.jctb.2014.07.006
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25400217, KAKENHI-PROJECT-15K20885
[Journal Article] On the smallest eigenvalues of the line graphs of some trees2015
- Author(s)
  Munemasa, Akihiro; Sano, Yoshio; Taniguchi, Tetsuji
- Journal Title
  
  Linear Algebra and its Applications
  
  Volume: 466 Pages: 501-511
- DOI
  10.1016/j.laa.2014.10.037
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25400217, KAKENHI-PROJECT-15K20885
[Journal Article] The niche graphs of interval orders2014
- Author(s)
  Jeongmi PARK and Yoshio SANO
- Journal Title
  
  Discussiones Mathematicae Graph Theory
  
  Volume: 34 Pages: 353-359
- DOI
  10.7151/dmgt.1741
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] The double multicompetition number of a multigraph2014
- Author(s)
  Jeongmi PARK and Yoshio SANO
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 8845 Pages: 138-144
- DOI
  10.1007/978-3-319-13287-7_12
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] The non-confusing travel groupoids on a finite connected graph2014
- Author(s)
  Jung Rae CHO, Jeongmi PARK, and Yoshio SANO
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 8845 Pages: 14-17
- DOI
  10.1007/978-3-319-13287-7_2
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] Fat Hoffman graphs with smallest eigenvalue greater than -32014
- Author(s)
  Akihiro Munemasa, Yoshio Sano, Tetsuji Taniguchi
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: Available online 29 January Pages: 78-88
- DOI
  10.1016/j.dam.2014.01.008
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25400217, KAKENHI-PROJECT-25887007
[Journal Article] The competition hypergraphs of doubly partial orders2014
- Author(s)
  Suh-Ryung KIM, Jung Yeun LEE, Boram PARK, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 165 Pages: 185-191
- DOI
  10.1016/j.dam.2012.05.024
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] Travel groupoids on infinite graphs2014
- Author(s)
  Jung Rae CHO, Jeongmi PARK, and Yoshio SANO
- Journal Title
  
  Czechoslovak Mathematical Journal
  
  Volume: 64 Pages: 763-766
- DOI
  10.1007/s10587-014-0130-9
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] Fat Hoffman graphs with smallest eigenvalue at least -1-τ2014
- Author(s)
  Akihiro MUNEMASA, Yoshio SANO, and Tetsuji TANIGUCHI
- Journal Title
  
  Ars Mathematica Contemporanea
  
  Volume: 7 Pages: 247-262
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] Competitively tight graphs2013
- Author(s)
  Suh-Ryung KIM, Jung Yeun LEE, Boram PARK, and Yoshio SANO
- Journal Title
  
  Annals of Combinatorics
  
  Volume: 17 Pages: 733-741
- DOI
  10.1007/s00026-013-0207-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] The phylogeny graphs of doubly partial orders2013
- Author(s)
  Boram PARK and Yoshio SANO
- Journal Title
  
  Discussiones Mathematicae Graph Theory
  
  Volume: 33 Pages: 657-664
- DOI
  10.7151/dmgt.1701
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] A generalization of Opsut's lower bounds for the competition number of a graph2013
- Author(s)
  Yoshio SANO
- Journal Title
  
  Graphs and Combinatorics
  
  Volume: 29 Pages: 1543-1547
- DOI
  10.1007/s00373-012-1188-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] Edge-disjoint decompositions of complete multipartite graphs into gregarious long cycles2013
- Author(s)
  Jung Rae CHO, Jeongmi PARK, and Yoshio SANO
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 8296 Pages: 57-63
- DOI
  10.1007/978-3-642-45281-9_5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25887007
[Journal Article] The competition number of the complement of a cycle2013
- Author(s)
  Suh-Ryung KIM, Boram PARK, and Yoshio SANO
- Journal Title
  
  Discrete Applied Mathematics
  
  Volume: 161 Pages: 1755-1760
- DOI
  10.1016/j.dam.2011.10.034
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] 社会的安定性を考慮した一般化安定結婚問題の効率的解法2018
- Author(s)
  小出健人、久野誉人、佐野良夫
- Organizer
  日本オペレーションズ・リサーチ学会2018年春季研究発表会
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] グラフの固有値と辺着色2018
- Author(s)
  佐野良夫
- Organizer
  2018年軽井沢グラフと解析研究集会
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] グラフの固有値と辺着色2018
- Author(s)
  佐野良夫
- Organizer
  2018年軽井沢グラフと解析研究集会
- Data Source
  KAKENHI-PROJECT-16H03118
[Presentation] 社会的安定性を考慮した一般化安定結婚問題の効率的解法2018
- Author(s)
  小出健人，久野誉人，佐野良夫
- Organizer
  日本オペレーションズ・リサーチ学会
- Data Source
  KAKENHI-PROJECT-16H03118
[Presentation] グラフの最小固有値とグラフ構造2017
- Author(s)
  佐野良夫
- Organizer
  近畿大学数学教室講演会
- Invited
- Data Source
  KAKENHI-PROJECT-16H03118
[Presentation] グラフの最小固有値とグラフ構造2017
- Author(s)
  佐野良夫
- Organizer
  近畿大学数学教室講演会
- Invited
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] トラベル・グルーポイドとグラフ上の組合せ構造2016
- Author(s)
  佐野良夫
- Organizer
  早稲田大学数学若手異分野交流会2016
- Place of Presentation
  早稲田大学（東京都新宿区）
- Year and Date
  2016-02-29
- Invited
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] Travel groupoids and combinatorial structures on a graph2016
- Author(s)
  Yoshio SANO
- Organizer
  The Japanese Conference on Combinatorics and its Applications (JCCA 2016)
- Place of Presentation
  京都府京都市、京都大学
- Year and Date
  2016-05-21
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] ダイアモンドを含まないグラフの競争数について2015
- Author(s)
  佐野良夫
- Organizer
  組合せ論サマースクール2015
- Place of Presentation
  塚越屋七兵衛（群馬県渋川市）
- Year and Date
  2015-09-03
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] ダイアモンドを含まないグラフの競争数について2015
- Author(s)
  佐野良夫
- Organizer
  日本数学会2015年度秋季総合分科会
- Place of Presentation
  京都産業大学（京都府京都市）
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] On the competition numbers of diamond-free graphs2015
- Author(s)
  Yoshio SANO
- Organizer
  18th Japan Conference on Discrete and Computational Geometry and Graphs (JCDCG^2 2015)
- Place of Presentation
  京都大学（京都府京都市）
- Year and Date
  2015-09-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] Fat Hoffman graphs with smallest eigenvalue at least -2.481194304092...2015
- Author(s)
  Yoshio SANO
- Organizer
  The 9th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications
- Place of Presentation
  九州大学西新プラザ（福岡県福岡市）
- Year and Date
  2015-06-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K20885
[Presentation] グラフの固有値とグラフ構造2014
- Author(s)
  佐野良夫
- Organizer
  都市のORサマーセミナー2014
- Place of Presentation
  筑波大学（茨城）
- Year and Date
  2014-08-22
- Invited
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] 線形マトロイドとマトロイド連結性2014
- Author(s)
  佐野良夫
- Organizer
  大阪組合せ論セミナー
- Place of Presentation
  大阪
- Invited
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] Travel groupoids on infinite graphs2014
- Author(s)
  Jung Rae CHO, Jeongmi PARK, 佐野良夫
- Organizer
  日本数学会 2014年度年会
- Place of Presentation
  学習院大学
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] Travel groupoids on graphs2014
- Author(s)
  Yoshio SANO
- Organizer
  Colloquium at Department of Mathematics, Pusan National University
- Place of Presentation
  Pusan National University, Korea
- Year and Date
  2014-09-18
- Invited
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] Travel groupoids on graphs2014
- Author(s)
  Yoshio SANO
- Organizer
  Korea-Japan Workshop on Algebra and Combinatorics (KJ2014)
- Place of Presentation
  KAIST, Korea
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] The double multicompetition number of a multigraph2013
- Author(s)
  Jeongmi PARK and Yoshio SANO
- Organizer
  The 16th Japan Conference on Discrete and Computational Geometry and Graphs (JCDCG^2 2013)
- Place of Presentation
  Tokyo University of Science, Japan
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] The non-confusing travel groupoids on a finite connected graph2013
- Author(s)
  Yoshio SANO
- Organizer
  Graph Theory Conference in honor of Yoshimi Egawa on the occasion of his 60th birthday
- Place of Presentation
  Tokyo University of Science, Japan
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] Travel groupoids on graphs2013
- Author(s)
  佐野良夫
- Organizer
  研究集会「組合せ論とその実験計画法への応用」
- Place of Presentation
  熊本
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] The number of travel groupoids on a finite graph2013
- Author(s)
  Jung Rae CHO, Jeongmi PARK, and Yoshio SANO
- Organizer
  The 16th Japan Conference on Discrete and Computational Geometry and Graphs (JCDCG^2 2013)
- Place of Presentation
  Tokyo University of Science, Japan
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] On intersection graphs associated with digraphs and posets2013
- Author(s)
  Yoshio SANO
- Organizer
  25th Workshop on Topological Graph Theory (TGT25)
- Place of Presentation
  Yokohama National University, Japan
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] グラフ上のトラベル・グルーポイドについて2013
- Author(s)
  佐野良夫
- Organizer
  組合せ数学セミナー
- Place of Presentation
  東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] 最小固有値を下から制限したグラフについて
- Author(s)
  佐野良夫
- Organizer
  スペクトラルグラフ理論および周辺領域第3回研究集会
- Place of Presentation
  広島工業大学（広島）
- Year and Date
  2015-03-13 – 2015-03-15
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] Combinatorial systems and travel groupoids on graphs
- Author(s)
  佐野良夫
- Organizer
  2014年度応用数学合同研究集会
- Place of Presentation
  龍谷大学（滋賀）
- Year and Date
  2014-12-18 – 2014-12-20
- Data Source
  KAKENHI-PROJECT-25887007
[Presentation] On gregarious group divisible designs
- Author(s)
  佐野良夫
- Organizer
  研究集会「有限幾何と組合せデザイン」
- Place of Presentation
  東京理科大学（東京）
- Year and Date
  2015-03-06 – 2015-03-07
- Data Source
  KAKENHI-PROJECT-25887007

1. 吉瀬章子 (50234472)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. 繁野麻衣子 (40272687)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. 八森正泰 (00344862)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. Taniguchi Tetsuji (90543728)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
5. Seto Michio (30398953)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. Tanaka Hajime (50466546)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 安東弘泰 (20553770)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 小林佑輔 (40581591)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 宗政昭弘 (50219862)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
10. 高野祐一 (40602959)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 久野誉人 (00205113)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 藤重悟

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
13. 久野章子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

SANO Yoshio 佐野 良夫

Research Projects

Research Products

Co-Researchers

錐最適化における半正定値錐の多面錐近似の理論の構築とその応用Ongoing

Principal Investigator

Project Period (FY)

Research Category

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Combinatorics of graphs, posets, matroids, and finite discrete structure and their applicationsPrincipal InvestigatorOngoing

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Construction of practical algorithms for DC/DM global optimizationOngoing

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Optimization problems with time and it's applications on networks.Ongoing

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Research on Discrete Structure and Algorithms by using Spectral Graph TheoryPrincipal Investigator

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Study on Algorithmic Graph Theory and Mathematical OptimizationPrincipal Investigator

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A elucidation of the structure of graphs by Algebraic Graph Theory and Spectral Graph Theory

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[Journal Article] The random assignment problem with submodular constraints on goods2018

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[Journal Article] On the partial order competition dimensions of chordal graphs2017

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[Journal Article] T-neighbor Systems and Travel Groupoids on a Graph2017

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[Journal Article] On the phylogeny graphs of degree-bounded digraphs2017

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[Journal Article] The competition graphs of oriented complete bipartite graphs2016

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[Journal Article] On the competition graphs of d-partial orders2016

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[Journal Article] On the competition numbers of diamond-free graphs2016

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SANO Yoshio 佐野良夫