2004 |
11 | EE | C. Paul Bonnington,
Nora Hartsfield,
Jozef Sirán:
Obstructions to directed embeddings of Eulerian digraphs in the plane.
Eur. J. Comb. 25(6): 877-891 (2004) |
1998 |
10 | | Dan Archdeacon,
Nora Hartsfield,
C. H. C. Little,
Bojan Mohar:
Obstruction Sets for Outer-Projective-Planar Graphs.
Ars Comb. 49: (1998) |
1996 |
9 | EE | Dan Archdeacon,
Nora Hartsfield,
C. H. C. Little:
Nonhamiltonian Triangulations with Large Connectivity and Representativity.
J. Comb. Theory, Ser. B 68(1): 45-55 (1996) |
1995 |
8 | EE | Nora Hartsfield,
W. F. Smyth:
A family of sparse graphs of large sum number.
Discrete Mathematics 141(1-3): 163-171 (1995) |
1992 |
7 | EE | Dan Archdeacon,
Nora Hartsfield:
Self-dual embeddings of complete bipartite graphs.
J. Comb. Theory, Ser. B 54(2): 249-256 (1992) |
1991 |
6 | | Nora Hartsfield,
Gerhard Ringel:
Clean triangulations.
Combinatorica 11(2): 145-155 (1991) |
1990 |
5 | EE | Nora Hartsfield,
Gerhard Ringel:
Quadrangular embeddings of the complete even k-partite graph.
Discrete Mathematics 81(1): 19-23 (1990) |
1989 |
4 | EE | Nora Hartsfield,
Brad Jackson,
Gerhard Ringel:
Hamilton surfaces for the complete even symmetric bipartite graph.
Discrete Mathematics 78(1-2): 89-94 (1989) |
3 | EE | Nora Hartsfield,
Gerhard Ringel:
Minimal quadrangulations of nonorientable surfaces.
J. Comb. Theory, Ser. A 50(2): 186-195 (1989) |
2 | EE | Nora Hartsfield,
Gerhard Ringel:
Minimal quadrangulations of orientable surfaces.
J. Comb. Theory, Ser. B 46(1): 84-95 (1989) |
1986 |
1 | EE | Nora Hartsfield:
The toroidal splitting number of the complete graph Kn.
Discrete Mathematics 62(1): 35-47 (1986) |