184 search results - page 28 / 37 » On the Quantum Chromatic Number of a Graph |
DM
2002
13 years 7 months ago
2002
A simple characterization of the 3, 4, or 5-colorable Eulerian triangulations of the projective plane is given. Key words: Projective plane, triangulation, coloring, Eulerian grap...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
Recent interest in region based image coding has given rise to graph coloring based partition encoding methods. These methods are based on the four color theorem for planar graphs...
SODA
2004
ACM
13 years 9 months ago
2004
ACM
We study vertex colorings of the square G2 of an outerplanar graph G. We find the optimal bound of the inductiveness, chromatic number and the clique number of G2 as a function of...
COMBINATORICS
1999
13 years 7 months ago
1999
An orthogonal coloring of a graph G is a pair {c1, c2} of proper colorings of G, having the property that if two vertices are colored with the same color in c1, then they must hav...
JGAA
2008
13 years 7 months ago
2008
Bar k-visibility graphs are graphs admitting a representation in which the vertices correspond to horizontal line segments, called bars, and the edges correspond to vertical lines...