Nora Hartsfield

Alfred W. Hales, Nora Hartsfield: The directed genus of the de Bruijn graph. Discrete Mathematics 309(17): 5259-5263 (2009)

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)

Dan Archdeacon, C. Paul Bonnington, Nathaniel Dean, Nora Hartsfield, Katherine Scott: Obstruction sets for outer-cylindrical graphs. Journal of Graph Theory 38(1): 42-64 (2001)

Dan Archdeacon, Nora Hartsfield, C. H. C. Little, Bojan Mohar: Obstruction Sets for Outer-Projective-Planar Graphs. Ars Comb. 49 (1998)

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)

Nora Hartsfield, W. F. Smyth: A family of sparse graphs of large sum number. Discrete Mathematics 141(1-3): 163-171 (1995)

Nora Hartsfield, Gerhard Ringel: Pearls in graph theory - a comprehensive introduction (Reviewed Edition). Academic Press 1994, isbn 978-0-12-328553-9, pp. I-X, 1-249

Dan Archdeacon, Nora Hartsfield: Self-dual embeddings of complete bipartite graphs. J. Comb. Theory, Ser. B 54(2): 249-256 (1992)

Nora Hartsfield, Gerhard Ringel: Clean triangulations. Combinatorica 11(2): 145-155 (1991)

Nora Hartsfield, Gerhard Ringel: Quadrangular embeddings of the complete even k-partite graph. Discrete Mathematics 81(1): 19-23 (1990)

Nora Hartsfield, Brad Jackson, Gerhard Ringel: Hamilton surfaces for the complete even symmetric bipartite graph. Discrete Mathematics 78(1-2): 89-94 (1989)

Nora Hartsfield, Gerhard Ringel: Minimal quadrangulations of orientable surfaces. J. Comb. Theory, Ser. B 46(1): 84-95 (1989)

Nora Hartsfield, Gerhard Ringel: Minimal quadrangulations of nonorientable surfaces. J. Comb. Theory, Ser. A 50(2): 186-195 (1989)

Nora Hartsfield: The splitting number of the complete graph in the projective plane. Graphs and Combinatorics 3(1): 349-356 (1987)

Nora Hartsfield: The toroidal splitting number of the complete graph K_n. Discrete Mathematics 62(1): 35-47 (1986)

Nora Hartsfield, Brad Jackson, Gerhard Ringel: The splitting number of the complete graph. Graphs and Combinatorics 1(1): 311-329 (1985)