Rchr
J-GLOBAL ID:200901041716570637
Update date: Jun. 09, 2020
Ohba Kyoji
オオバ キョウジ | Ohba Kyoji
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Affiliation and department:
Yonago National College of Technology Liberal Arts
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Detailed information
Job title:
Lecturer
Research field (2):
Applied mathematics and statistics
, Basic mathematics
Research keywords (10):
染色数
, 選択数
, リスト彩色
, 彩色
, グラフ理論
, chromatic number
, choice number
, list coloring
, coloring
, Graph theory
Research theme for competitive and other funds (2):
2000 - 2010 染色数と選択数が一致するグラフについて
2000 - 2010 on graphs whose choice number is equal to their chromatic number
Papers (6):
Atsuhiro Nakamoto, Seiya Negami, Kyoji Ohba, Yusuke Suzuki. LOOSENESS AND INDEPENDENCE NUMBER OF TRIANGULATIONS ON CLOSED SURFACES. DISCUSSIONES MATHEMATICAE GRAPH THEORY. 2016. 36. 3. 545-554
大庭 経示. Choice number of complete multipartite graphs with part size at most three. Ars Combinatoria, 72, p133--139. 2004
大庭 経示. A study on choice number of graphs. 慶応義塾大学. 2003
大庭 経示. Choice number of some complee multi-partite graphs. Discrete Math. 244,no.1-3, p55--66. 2002
大庭 経示. On chromatic-choosable graphs. J.Graph Theory, No.40, p130--136. 2002
more...
MISC (18):
大庭 経示. Looseness of plane triangulations. 位相幾何学的グラフ理論研究集会(横浜国立大学). 2006
大庭 経示. Geometric realization of a projective triangulation with one face removed. 22nd European Workshop on Computational Geometry,Delphi,Greece(Proceedings,pp91~93). 2006
大庭 経示. 平面の三角形分割の弛緩度. 位相幾何学的グラフ理論研究集会(横浜国立大学). 2005
大庭 経示. 染色数と選択数が一致するグラフについて. 応用数学合同研究集会報告集pp.39~40(龍谷大学). 2003
大庭 経示. 正四面体格子の中の正四面体について. 位相幾何学的グラフ理論研究集会(横浜国立大学). 2003
more...
Professional career (1):
博士(理学) (慶應義塾大学大学院)
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