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GC
2006
Springer
14 years 13 days ago
Alternating Paths along Axis-Parallel Segments
It is shown that for a set S of n pairwise disjoint axis-parallel line segments in the plane there is a simple alternating path of length ( n). This bound is best possible in the...
Csaba D. Tóth
GC
2006
Springer
14 years 13 days ago
Reconstructing under Group Actions
We give a bound on the reconstructibility of an action G X in terms of the reconstructibility of a the action N X, where N is a normal subgroup of G, and the reconstructibility o...
A. J. Radcliffe, Alex D. Scott
GC
2006
Springer
14 years 13 days ago
The Semi-Arc Automorphism Group of a Graph with Application to Map Enumeration
A map is a connected topological graph cellularly embedded in a surface. For a given graph , its genus distribution of rooted maps and embeddings on orientable and non-orientable s...
Linfan Mao, Yanpei Liu, Erling Wei
GC
2006
Springer
14 years 13 days ago
On n-partite Tournaments with Unique n-cycle
An n-partite tournament is an orientation of a complete n-partite graph. An npartite tournament is a tournament, if it contains exactly one vertex in each partite set. Douglas, Pr...
Gregory Gutin, Arash Rafiey, Anders Yeo
GC
2006
Springer
14 years 13 days ago
Sub-Ramsey Numbers for Arithmetic Progressions
Maria Axenovich, Ryan Martin
GC
2006
Springer
14 years 13 days ago
On H-Linked Graphs
Michael Ferrara, Ronald J. Gould, Gerard Tansey, T...
GC
2006
Springer
14 years 13 days ago
Coloring Vertices and Faces of Locally Planar Graphs
Michael O. Albertson, Bojan Mohar