| 2009 | ||
|---|---|---|
| 5 | Yoshio Sano: Characterizations of competition multigraphs. Discrete Applied Mathematics 157(13): 2978-2982 (2009) | |
| 2008 | ||
| 4 | Suh-Ryung Kim, Yoshio Sano: The competition numbers of complete tripartite graphs. Discrete Applied Mathematics 156(18): 3522-3524 (2008) | |
| 3 | Yoshio Sano: Rank functions of strict cg-matroids. Discrete Mathematics 308(20): 4734-4744 (2008) | |
| 2007 | ||
| 2 | Satoru Fujishige, Gleb A. Koshevoy, Yoshio Sano: Matroids on convex geometries (cg-matroids). Discrete Mathematics 307(15): 1936-1950 (2007) | |
| 1 | Yoshio Sano: The principal numbers of K. Saito for the types Al, Dl and El. Discrete Mathematics 307(21): 2636-2642 (2007) | |
| 1 | Satoru Fujishige | [2] |
| 2 | Suh-Ryung Kim | [4] |
| 3 | Gleb A. Koshevoy | [2] |