2008 | ||
---|---|---|
40 | EE | Yoshimi Egawa, Shinya Fujita, Katsuhiro Ota: K1, 3-factors in graphs. Discrete Mathematics 308(24): 5965-5973 (2008) |
39 | EE | Jun Fujisawa, Katsuhiro Ota, Takeshi Sugiyama, Masao Tsugaki: Forbidden subgraphs and the existence of paths and cycles passing through specified vertices. Discrete Mathematics 308(24): 6111-6114 (2008) |
2007 | ||
38 | EE | Yoshimi Egawa, Hikoe Enomoto, Stanislav Jendrol, Katsuhiro Ota, Ingo Schiermeyer: Independence number and vertex-disjoint cycles. Discrete Mathematics 307(11-12): 1493-1498 (2007) |
2006 | ||
37 | EE | Shinya Fujita, Ken-ichi Kawarabayashi, Cláudio Leonardo Lucchesi, Katsuhiro Ota, Michael D. Plummer, Akira Saito: A pair of forbidden subgraphs and perfect matchings. J. Comb. Theory, Ser. B 96(3): 315-324 (2006) |
2005 | ||
36 | Atsuhiro Nakamoto, Katsuhiro Ota, Mamoru Watanabe: On 3-coloring of plane triangulations. Ars Comb. 75: (2005) | |
35 | Hikoe Enomoto, Jun Fujisawa, Katsuhiro Ota: A sk type condition for heavy cycles in weighted graphs. Ars Comb. 76: (2005) | |
34 | EE | Hikoe Enomoto, Jun Fujisawa, Katsuhiro Ota: Ore-type degree condition for heavy paths in weighted graphs. Discrete Mathematics 300(1-3): 100-109 (2005) |
2004 | ||
33 | EE | Atsuhiro Nakamoto, Seiya Negami, Katsuhiro Ota: Chromatic numbers and cycle parities of quadrangulations on nonorientable closed surfaces. Discrete Mathematics 285(1-3): 211-218 (2004) |
32 | EE | Atsuhiro Nakamoto, Seiya Negami, Katsuhiro Ota, Jozef Sirán: Planar triangulations which quadrangulate other surfaces. Eur. J. Comb. 25(6): 817-833 (2004) |
31 | EE | Guantao Chen, Hikoe Enomoto, Ken-ichi Kawarabayashi, Katsuhiro Ota, Dingjun Lou, Akira Saito: Vertex-disjoint cycles containing specified vertices in a bipartite graph. Journal of Graph Theory 46(3): 145-166 (2004) |
2003 | ||
30 | EE | Ryuichi Mori, Atsuhiro Nakamoto, Katsuhiro Ota: Diagonal Flips in Hamiltonian Triangulations on the Sphere. Graphs and Combinatorics 19(3): 413-418 (2003) |
29 | EE | Ken-ichi Kawarabayashi, Atsuhiro Nakamoto, Katsuhiro Ota: Subgraphs of graphs on surfaces with high representativity . J. Comb. Theory, Ser. B 89(2): 207-229 (2003) |
2002 | ||
28 | EE | Hikoe Enomoto, Kyoji Ohba, Katsuhiro Ota, Junko Sakamoto: Choice number of some complete multi-partite graphs. Discrete Mathematics 244(1-3): 55-66 (2002) |
27 | EE | Ken-ichi Kawarabayashi, Atsuhiro Nakamoto, Yoshiaki Oda, Katsuhiro Ota, Shinsei Tazawa, Mamoru Watanabe: On separable self-complementary graphs. Discrete Mathematics 257(1): 165-168 (2002) |
26 | EE | Atsushi Kaneko, Ken-ichi Kawarabayashi, Katsuhiro Ota, Kiyoshi Yoshimoto: On a hamiltonian cycle in which specified vertices are not isolated. Discrete Mathematics 258(1-3): 85-91 (2002) |
25 | EE | Atsuhiro Nakamoto, Seiya Negami, Katsuhiro Ota: Chromatic Numbers and Cycle Parities of Quadrangulations on Nonorientable Closed Surfaces. Electronic Notes in Discrete Mathematics 11: 509-518 (2002) |
24 | EE | Atsuhiro Nakamoto, Katsuhiro Ota, Mamoru Watanabe: On 3-coloring of plane triangulations. Electronic Notes in Discrete Mathematics 11: 519-524 (2002) |
23 | EE | Katsuhiro Ota: On minimally 3-connected graphs on a surface. Electronic Notes in Discrete Mathematics 11: 760 (2002) |
22 | EE | Katsuhiro Ota: On minimally 3-connected graphs on a surface. Electronic Notes in Discrete Mathematics 11: 760 (2002) |
21 | EE | Mariko Hagita, Yoshiaki Oda, Katsuhiro Ota: The Diameters of Some Transition Graphs Constructed from Hamilton Cycles. Graphs and Combinatorics 18(1): 105-117 (2002) |
2001 | ||
20 | Yoshimi Egawa, Katsuhiro Ota: Vertex-Disjoint Paths in Graphs. Ars Comb. 61: (2001) | |
19 | EE | Ken-ichi Kawarabayashi, Katsuhiro Ota, Akira Saito: Hamiltonian cycles in n-factor-critical graphs. Discrete Mathematics 240(1-3): 71-82 (2001) |
2000 | ||
18 | EE | Hikoe Enomoto, Shinsuke Matsunaga, Katsuhiro Ota: Graph decompositions and D3-paths with a prescribed endvertex. Discrete Mathematics 213(1-3): 87-104 (2000) |
17 | EE | Atsushi Kaneko, Katsuhiro Ota: On Minimally (n, )-Connected Graphs. J. Comb. Theory, Ser. B 80(1): 156-171 (2000) |
1999 | ||
16 | EE | Hikoe Enomoto, Miki Shimabara Miyauchi, Katsuhiro Ota: Lower Bounds for the Number of Edge-crossings Over the Spine in a Topological Book Embedding of a Graph. Discrete Applied Mathematics 92(2-3): 149-155 (1999) |
15 | EE | Yoshimi Egawa, Katsuhiro Ota: Vertex-disjoint claws in graphs. Discrete Mathematics 197-198: 225-246 (1999) |
1998 | ||
14 | Peter Frankl, Katsuhiro Ota, Norihide Tokushige: Uniform Intersecting Families with Covering Number Restrictions. Combinatorics, Probability & Computing 7(1): 47-56 (1998) | |
13 | EE | Hikoe Enomoto, Yoshiaki Oda, Katsuhiro Ota: Pyramidal Tours with Step-backs and the Asymmetric Traveling Salesman Problem. Discrete Applied Mathematics 87(1-3): 57-65 (1998) |
1997 | ||
12 | EE | Hiroshi Maehara, Katsuhiro Ota, Norihide Tokushige: Every Graph Is an Integral Distance Graph in the Plane. J. Comb. Theory, Ser. A 80(2): 290-294 (1997) |
11 | EE | Atsuhiro Nakamoto, Katsuhiro Ota: Diagonal Transformations in Quadrangulations and Dehn Twists Preserving Cycle Parities. J. Comb. Theory, Ser. B 69(2): 125-141 (1997) |
10 | EE | Atsuhiro Nakamoto, Katsuhiro Ota: Diagonal Transformations of Graphs and Dehn Twists of Surfaces. J. Comb. Theory, Ser. B 70(2): 292-300 (1997) |
9 | EE | Hikoe Enomoto, Tomoki Nakamigawa, Katsuhiro Ota: On the Pagenumber of Complete Bipartite Graphs. J. Comb. Theory, Ser. B 71(1): 111-120 (1997) |
1996 | ||
8 | EE | Peter Frankl, Katsuhiro Ota, Norihide Tokushige: Covers in Uniform Intersecting Families and a Counterexample to a Conjecture of Lovász. J. Comb. Theory, Ser. A 74(1): 33-42 (1996) |
7 | EE | Peter Frankl, Katsuhiro Ota, Norihide Tokushige: Exponents of Uniform L-Systems. J. Comb. Theory, Ser. A 75(1): 23-43 (1996) |
6 | EE | Hikoe Enomoto, Tadashi Iida, Katsuhiro Ota: Connected Spanning Subgraphs of 3-Connected Planar Graphs. J. Comb. Theory, Ser. B 68(2): 314-323 (1996) |
1995 | ||
5 | Yoshimi Egawa, Katsuhiro Ota, Akira Saito, Xingxing Yu: Non-Contractible Edges in A 3-Connected Graph. Combinatorica 15(3): 357-364 (1995) | |
4 | EE | Katsuhiro Ota: Cycles through prescribed vertices with large degree sum. Discrete Mathematics 145(1-3): 201-210 (1995) |
3 | Peter Frankl, Katsuhiro Ota, Norihide Tokushige: Uniform Intersecting Families with Covering Number Four. J. Comb. Theory, Ser. A 71(1): 127-145 (1995) | |
1994 | ||
2 | EE | William McCuaig, Katsuhiro Ota: Contractile Triples in 3-Connected Graphs. J. Comb. Theory, Ser. B 60(2): 308-314 (1994) |
1991 | ||
1 | Nathaniel Dean, Katsuhiro Ota: 2-factors, connectivity, and graph minors. Graph Structure Theory 1991: 381-386 |