• 575 Citations
  • 13 h-Index
1988 …2015
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Fingerprint Dive into the research topics where Katsuhiro Ota is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 3 Similar Profiles
Graph in graph theory Mathematics
Connected graph Mathematics
Minimum Degree Mathematics
Cycle Mathematics
Quadrangulation Mathematics
Triangulation Mathematics
Vertex of a graph Mathematics
Degree Condition Mathematics

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Research Output 1988 2015

  • 575 Citations
  • 13 h-Index
  • 77 Article
1 Citation (Scopus)

Disjoint chorded cycles of the same length

Chen, G., Gould, R. J., Hirohata, K., Ota, K. & Shan, S., 2015, In : SIAM Journal on Discrete Mathematics. 29, 2, p. 1030-1041 12 p.

Research output: Contribution to journalArticle

Disjoint
Cycle
Minimum Degree
Multigraph
Graph in graph theory
3 Citations (Scopus)

Edge Proximity Conditions for Extendability in Planar Triangulations

Fujisawa, J. & Ota, K., 2015 Sep 1, In : Journal of Graph Theory. 80, 1, p. 1-11 11 p.

Research output: Contribution to journalArticle

Extendability
Triangulation
Proximity
Perfect Matching
Pairwise
1 Citation (Scopus)

Hadwiger's conjecture for degree sequences

Chen, G. & Ota, K., 2015 Sep 1, In : Journal of Combinatorial Theory. Series B. 114, p. 247-249 3 p.

Research output: Contribution to journalArticle

Hadwiger's Conjecture
Degree Sequence
Minor
Graph in graph theory
Chromatic number

Maximal cycles in graphs of large girth

Fujisawa, J. & Ota, K., 2014, In : SUT Journal of Mathematics. 50, 2, p. 427-438 12 p.

Research output: Contribution to journalArticle

Girth
Cycle
Circumference
Weighted Graph
Graph in graph theory

Forbidden induced subgraphs for near perfect matchings

Ota, K., Ozeki, K. & Sueiro, G., 2013, In : Discrete Mathematics. 313, 11, p. 1267-1280 14 p.

Research output: Contribution to journalArticle

Forbidden Induced Subgraph
Perfect Matching
Triangle-free
Graph in graph theory
Connected graph