| |
| 2003 | ||
|---|---|---|
| 5 | Masakazu Nihei: Algebraic connectivity of the line graph, the middle graph and the total graph of a regular graph. Ars Comb. 69: (2003) | |
| 2001 | ||
| 4 | Masakazu Nihei: A Note on the Toughness of Certain Graphs. Ars Comb. 59: (2001) | |
| 3 | Masakazu Nihei: On the Toughness of the Middle Graph of a Graph. Ars Comb. 60: (2001) | |
| 2 | Masakazu Nihei: On the matching polynomials of the complete n-partite graph. Ars Comb. 60: (2001) | |
| 1 | Masakazu Nihei: On the Toughness of the Total Graph of a Graph. Ars Comb. 61: (2001) | |