Sano Yoshio

Researcher's full information

Articles

• The double multicompetition number of a multigraph
  PARK Jeongmi; SANO Yoshio
  Lecture Notes in Computer Science/8845/pp.138-144, 2014-12
• Fat Hoffman graphs with smallest eigenvalue greater than -3
  MUNEMASA Akihiro; SANO Yoshio; TANIGUCHI Tetsuji
  Discrete Applied Mathematics/176/pp.78-88, 2014-10
• Travel groupoids on infinite graphs
  CHO Jung Rae; PARK Jeongmi; SANO Yoshio
  Czechoslovak Mathematical Journal/64(3)/pp.763-766, 2014-09
• The niche graphs of interval orders
  PARK Jeongmi; SANO Yoshio
  Discussiones Mathematicae Graph Theory/34(2)/pp.353-359, 2014-04
  
  Tsukuba Repository
• The competition hypergraphs of doubly partial orders
  KIM Suh-Ryung; LEE Jung Yeun; PARK Boram; SANO Yoshio
  Discrete Applied Mathematics/165(-)/pp.185-191, 2014-03
• Fat Hoffman graphs with smallest eigenvalue at least
  MUNEMASA Akihiro; SANO Yoshio; TANIGUCHI Tetsuji
  Ars Mathematica Contemporanea/7(1)/pp.247-262, 2014-01
• Edge-disjoint decompositions of complete multipartite graphs into gregarious long cycles
  CHO Jung Rae; PARK Jeongmi; SANO Yoshio
  Lecture Notes in Computer Science/8296(-)/pp.57-63, 2013-12
• Competitively tight graphs
  KIM Suh-Ryung; LEE Jung Yeun; PARK Boram; SANO Yoshio
  Annals of Combinatorics/17(4)/pp.733-741, 2013-11
• The phylogeny graphs of doubly partial orders
  PARK Boram; SANO Yoshio
  Discussiones Mathematicae Graph Theory/33(4)/pp.657-664, 2013-10
  
  Tsukuba Repository
• A generalization of Opsut's lower bounds for the competition number of a graph
  SANO Yoshio
  Graphs and Combinatorics/29(5)/pp.1543-1547, 2013-09
• The competition number of the complement of a cycle
  KIM Suh-Ryung; PARK Boram; SANO Yoshio
  Discrete Applied Mathematics/161(12)/pp.1755-1760, 2013-08
• Graph equation for line graphs and -step graphs
  KIM Seog-Jin; KIM Suh-Ryung; LEE Jung Yeun; PARK Won Jin; SAN...
  Graphs and Combinatorics/28(6)/pp.831-842, 2012-11
• The competition number of a generalized line graph is at most two
  PARK Boram; SANO Yoshio
  Discrete Mathematics & Theoretical Computer Science/14(2)/pp.1-10, 2012-08
• The competition numbers of complete multipartite graphs with many partite sets
  KIM Suh-Ryung; PARK Boram; SANO Yoshio
  Discrete Applied Mathematics/160(7-8)/pp.1176-1182, 2012-05
• The competition number of a graph and the dimension of its hole space
  KIM Suh-Ryung; LEE Jung Yeun; PARK Boram; SANO Yoshio
  Applied Mathematics Letters/25(3)/pp.638-642, 2012-03
• The non-bipartite integral graphs with spectral radius three
  CHUNG Taeyoung; KOOLEN Jack; SANO Yoshio; TANIGUCHI Tetsuji
  Linear Algebra and its Applications/435(10)/pp.2544-2559, 2011-11
• The competition numbers of ternary Hamming graphs
  PARK Boram; SANO Yoshio
  Applied Mathematics Letters/24(9)/pp.1608-1613, 2011-09
• Graphs having many holes but with small competition numbers
  LEE Jung Yeun; KIM Suh-Ryung; KIM Seog-Jin; SANO Yoshio
  Applied Mathematics Letters/24(8)/pp.1331-1335, 2011-08
• Matroids on convex geometries: Subclasses, operations, and optimization
  SANO Yoshio
  Publications of the Research Institute for Mathematical Sciences/47(3)/pp.671-703, 2011-08
• On the hypercompetition numbers of hypergraphs
  PARK Boram; SANO Yoshio
  Ars Combinatoria/100(-)/pp.151-159, 2011-07
• The competition numbers of Hamming graphs with diameter at most three
  PARK Boram; SANO Yoshio
  Journal of the Korean Mathematical Society/48(4)/pp.691-702, 2011-07
• The competition-common enemy graphs of digraphs satisfying Conditions and
  SANO Yoshio
  Congressus Numerantium/202 (-)/pp.187-194, 2010-12
• The competition numbers of Johnson graphs
  KIM Suh-Ryung; PARK Boram; SANO Yoshio
  Discussiones Mathematicae Graph Theory/30(3)/pp.449-459, 2010-10
• The competition number of a graph whose holes do not overlap much
  KIM Suh-Ryung; LEE Jung Yeun; SANO Yoshio
  Discrete Applied Mathematics/158(13)/pp.1456-1460, 2010-07
• The competition number of a graph with exactly two holes
  LEE Jung Yeun; KIM Suh-Ryung; KIM Seog-Jin; SANO Yoshio
  Ars Combinatoria/95(-)/pp.45-54, 2010-04
• more...