Nora Hartsfield

According to our database, Nora Hartsfield authored at least 18 papers between 1985 and 2019.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of two.

2019

Quadrangular embeddings of complete graphs and the Even Map Color Theorem.

Wenzhong Liu, Serge Lawrencenko, Beifang Chen, Mark N. Ellingham, Nora Hartsfield, Hui Yang, Dong Ye, Xiaoya Zha

J. Comb. Theory B, 2019

2009

The directed genus of the de Bruijn graph.

Alfred W. Hales, Nora Hartsfield

Discret. Math., 2009

2004

Obstructions to directed embeddings of Eulerian digraphs in the plane.

C. Paul Bonnington, Nora Hartsfield, Jozef Sirán

Eur. J. Comb., 2004

2001

Obstruction sets for outer-cylindrical graphs.

Dan Archdeacon, C. Paul Bonnington, Nathaniel Dean, Nora Hartsfield, Katherine Scott

J. Graph Theory, 2001

1998

Obstruction Sets for Outer-Projective-Planar Graphs.

Dan Archdeacon, Nora Hartsfield, C. H. C. Little, Bojan Mohar

Ars Comb., 1998

1996

Nonhamiltonian Triangulations with Large Connectivity and Representativity.

Dan Archdeacon, Nora Hartsfield, C. H. C. Little

J. Comb. Theory, Ser. B, 1996

1995

A family of sparse graphs of large sum number.

Nora Hartsfield, W. F. Smyth

Discret. Math., 1995

1994

Pearls in graph theory - a comprehensive introduction (Reviewed Edition).

Nora Hartsfield, Gerhard Ringel

Academic Press, ISBN: 978-0-12-328553-9, 1994

1992

Self-dual embeddings of complete bipartite graphs.

Dan Archdeacon, Nora Hartsfield

J. Comb. Theory B, 1992

1991

Clean triangulations.

Nora Hartsfield, Gerhard Ringel

Comb., 1991

1990

Quadrangular embeddings of the complete even k-partite graph.

Nora Hartsfield, Gerhard Ringel

Discret. Math., 1990

1989

Minimal quadrangulations of orientable surfaces.

Nora Hartsfield, Gerhard Ringel

J. Comb. Theory B, 1989

Minimal quadrangulations of nonorientable surfaces.

Nora Hartsfield, Gerhard Ringel

J. Comb. Theory A, 1989

Hamilton surfaces for the complete even symmetric bipartite graph.

Nora Hartsfield, Brad Jackson, Gerhard Ringel

Discret. Math., 1989

1987

On regular self-complementary graphs.

Nora Hartsfield

J. Graph Theory, 1987

The splitting number of the complete graph in the projective plane.

Nora Hartsfield

Graphs Comb., 1987

1986

The toroidal splitting number of the complete graph K_n.

Nora Hartsfield

Discret. Math., 1986

1985

The splitting number of the complete graph.

Nora Hartsfield, Brad Jackson, Gerhard Ringel

Graphs Comb., 1985