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» The Chromatic Number Of Graph Powers
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CPC
2002
73views more  CPC 2002»
13 years 5 months ago
The Chromatic Number Of Graph Powers
Noga Alon, Bojan Mohar
ARSCOM
2004
175views more  ARSCOM 2004»
13 years 5 months ago
Circular Chromatic Number of Hypergraphs
The concept of circular chromatic number of graphs was introduced by Vince(1988). In this paper we define circular chromatic number of uniform hypergraphs and study their basic pr...
Changiz Eslahchi, Arash Rafiey
SODA
2000
ACM
121views Algorithms» more  SODA 2000»
13 years 6 months ago
Coloring powers of planar graphs
We give nontrivial bounds for the inductiveness or degeneracy of power graphs Gk of a planar graph G. This implies bounds for the chromatic number as well, since the inductiveness ...
Geir Agnarsson, Magnús M. Halldórsso...
DM
2008
116views more  DM 2008»
13 years 5 months ago
Total and fractional total colourings of circulant graphs
In this paper, the total chromatic number and fractional total chromatic number of circulant graphs are studied. For cubic circulant graphs we give upper bounds on the fractional ...
Riadh Khennoufa, Olivier Togni
EJC
2008
13 years 5 months ago
On the adaptable chromatic number of graphs
The adaptable chromatic number of a graph G is the smallest integer k such that for any edge k-colouring of G there exists a vertex kcolouring of G in which the same colour never ...
Pavol Hell, Xuding Zhu