202 search results - page 5 / 41 » On the Queue Number of Planar Graphs |
IJFCS
2006
14 years 9 months ago
2006
JGT
2007
14 years 9 months ago
2007
56
Voted
COMBINATORICS
2002
14 years 9 months ago
2002
FCT
2009
Springer
15 years 4 months ago
2009
Springer
We study the empire colouring problem (as defined by Percy Heawood in 1890) for maps whose dual planar graph is a tree, with empires formed by exactly r countries. We prove that, ...
GD
2006
Springer
15 years 1 months ago
2006
Springer
We give a brief account of results concerning the number of triangulations on finite point sets in the plane, both for arbitrary sets and for specific sets such as the n