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Toward "good characterizations" of idealness of clutters

Research Project

Project/Area Number 19540110
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionYamagata University

Principal Investigator

SAKUMA Tadashi  Yamagata University, 地域教育文化学部, 准教授 (60323458)

Project Period (FY) 2007 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsclutter / ideality / excluded minor / MFMC-property / odd-hole recognition / path-parity / claw-free graph / pebble motion planning / the packing property / Matroid basis graph / Euclidean Distance Matrix
Research Abstract

In this study, we succeeded to characterize the ideality and the packing property for several classes of clutters which are corresponding to (a generalized classes of) the odd-holes of graphs by using the excluded clutter minors.

Report

(6 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report   Self-evaluation Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (23 results)

All 2011 2010 2009 2008 Other

All Journal Article (14 results) (of which Peer Reviewed: 11 results) Presentation (9 results)

  • [Journal Article] N-flips in even triangulations on the torus and Dehn twists preserving monodromies2011

    • Author(s)
      Yusuke Higuchi, Atsushi Nakamoto, Kazuhiro Ota, Tadashi Sakuma
    • Journal Title

      Discrete Mathematics 311(13)

      Pages: 1128-1135

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] N-flips in even triangulations on the torus and Dehn twists preserving monodomies2011

    • Author(s)
      Yusuke Higuchi, Atsuhiro Nakamoto, Katsuhiro Ota, Tadashi Sakuma
    • Journal Title

      Discrete Mathematics

      Volume: 311 Pages: 1128-1135

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Positive circuits of oriented matroids with the packing property or idealness2010

    • Author(s)
      Kashiwaba Kenji, Sakuma Tadashi
    • Journal Title

      Electronic Notes in Discrete Mathematics 36

      Pages: 287-294

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] On circular thin Lehman matrices2010

    • Author(s)
      Sakuma Tadashi, Shinohara Hidehiro
    • Journal Title

      応用数学合同研究集会報告集

      Pages: 123-126

    • Related Report
      2010 Final Research Report
  • [Journal Article] The positive circuits of oriented matroids with the packing property or idealness2010

    • Author(s)
      Kashiwabara Kenji, Tadashi Sakuma
    • Journal Title

      Electronic Notes in Discrete Mathematics

      Volume: 36 Pages: 1287-1294

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Disjoint Even Cycles Packing2009

    • Author(s)
      Shuya Chiba, Shinya Fujita, Ken-ichi Kawarabayashi, Tadashi Sakuma
    • Journal Title

      Electronic Notes in Discrete Mathematics 34

      Pages: 113-119

    • Related Report
      2010 Final Research Report 2009 Annual Research Report 2009 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Colored Pebble Motion on Graphs (Extended Abstract)2009

    • Author(s)
      Shinya Fujita, Tomoki Nakamigawa, Tadashi Sakuma
    • Journal Title

      Electronic Notes in Discrete Mathematics 34

      Pages: 113-119

    • Related Report
      2010 Final Research Report 2009 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Pebble Exchange on Graphs (Extended Abstract)2009

    • Author(s)
      Shinya Fujita, Tomoki Nakamigawa, Tadashi Sakuma
    • Journal Title

      第26回代数的組合せ論シンポジウム報告集

      Pages: 126-132

    • Related Report
      2010 Final Research Report 2009 Self-evaluation Report
  • [Journal Article] Colored Pebble Motion on Graphs(Extended Abstract)2009

    • Author(s)
      Shinya Fujita, Tomoki Nakamigawa, Tadashi Sakuma
    • Journal Title

      Electronic Notes in Discrete Mathematics 34

      Pages: 185-189

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pebble Exchange on Graphs(Extended Abstract)2009

    • Author(s)
      Shinya Fujita, Tomoki Nakamigawa, Tadashi Sakuma
    • Journal Title

      第26回代数的組合せ論シンポジウム報告集

      Pages: 126-132

    • Related Report
      2009 Annual Research Report
  • [Journal Article] Determining the minimum rank of matroids whose basis graph is common2008

    • Author(s)
      Masahiro HACHIMORI, Hiroshi KURATA, Tadashi SAKUMA
    • Journal Title

      Electronic Notes in Discrete Mathematics 31

      Pages: 137-142

    • Related Report
      2010 Final Research Report 2009 Self-evaluation Report 2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Path-parity-solvability and its heredity2008

    • Author(s)
      Shinya FUJITA, Tadashi SAKUMA
    • Journal Title

      Abstracts of the 20th Workshop on Topological Graph Theorey in Yokohama 1

      Pages: 142-143

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On circulant thin Lehman matrices, Electronic Notes in Discrete Mathematics

    • Author(s)
      Sakuma Tadashi, Shinohara Hidehiro
    • Journal Title

      Accepted

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] olored Pebble Motion on Graphs, European Journal of Combinatorics

    • Author(s)
      Shinya Fujita, Tomoki Nakamigawa, Tadashi Sakuma
    • Journal Title

      accepted

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Presentation] The positive circuits of oriented matroids with the packing property or idealness2010

    • Author(s)
      Tadashi Sakuma
    • Organizer
      ISCO Hammamet : International Symposium on Combinatorial Optimization
    • Place of Presentation
      Yasmine Hammamet at El Medina Mediterranea.
    • Related Report
      2010 Final Research Report
  • [Presentation] The positive circuits of oriented matroids with the packing property or idealness2010

    • Author(s)
      Tadashi Sakuma
    • Organizer
      ISCO Hammamet : International Symposium on Combinatorial Optimization
    • Place of Presentation
      Yasmine Hammamet at El Medina Mediterranea
    • Related Report
      2009 Self-evaluation Report
  • [Presentation] The positive circuits of oriented matroids with the packing property or idealness.2010

    • Author(s)
      佐久間雅
    • Organizer
      ISCO Hammamet : International Symposium on Combinatorial Optimization
    • Place of Presentation
      Yasmine Hammamet at El Medina Mediterranea.
    • Related Report
      2009 Annual Research Report
  • [Presentation] Colored Pebble Motion on Graphs2009

    • Author(s)
      中上川友樹
    • Organizer
      離散数学とその応用に関する研究集会
    • Place of Presentation
      茨城大学
    • Year and Date
      2009-08-08
    • Related Report
      2009 Annual Research Report
  • [Presentation] Colored Pebble Motion on Graphs2009

    • Author(s)
      佐久間雅
    • Organizer
      第26回代数的組合せ論シンポジウム
    • Place of Presentation
      遊学館(山形県生涯学習センター)
    • Year and Date
      2009-06-26
    • Related Report
      2009 Annual Research Report
  • [Presentation] Disjoint Even Cycles Packing2009

    • Author(s)
      Shuya Chiba
    • Organizer
      EuroComb 2009 : European Conference on Combinatorics, Graph Theory and Applications
    • Place of Presentation
      University of Bordeauxl
    • Related Report
      2009 Annual Research Report
  • [Presentation] Colored Pebble Motion on Graphs(Extended Abstract)2009

    • Author(s)
      中上川友樹
    • Organizer
      EuroComb 2009 : European Conference on Combinatorics, Graph Theory and Applications
    • Place of Presentation
      University of Bordeauxl
    • Related Report
      2009 Annual Research Report
  • [Presentation] Path-parity-solvability and its heredity2008

    • Author(s)
      Tadashi SAKUMA
    • Organizer
      The 20th Workshop on Topological Graph Theorey in Yokohama
    • Place of Presentation
      Yokohama National University, JAPAN
    • Year and Date
      2008-11-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Determining the minimum rank of matroids whose basis graph is common2008

    • Author(s)
      Tadashi SAKUMA
    • Organizer
      Topological & Geometric Graph Theory (Dedicated to Hubert de Fraysseix on the Occasion of his 60th birthday)
    • Place of Presentation
      Ecole Normale Superieure, Paris, FRANCE
    • Year and Date
      2008-05-21
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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