52 search results - page 4 / 11 » A matrix characterization of interval and proper interval gr... |
TAMC
2010
Springer
13 years 6 months ago
2010
Springer
Clique-width is an important graph parameter whose computation is NP-hard. In fact we do not know of any other algorithm than brute force for the exact computation of clique-width...
ICALP
1995
Springer
13 years 11 months ago
1995
Springer
The problem to determine whether a given k-colored graph is a subgraph of a properly colored interval graph has an application in DNA physical mapping. In this paper, we study the...
ESA
2005
Springer
14 years 1 months ago
2005
Springer
We study the problem of adding edges to an arbitrary graph so that the resulting graph is an interval graph. Our objective is to add an inclusion minimal set of edges, which means ...
DAM
2007
13 years 7 months ago
2007
In this paper, we prove that the harmonious coloring problem is NP-complete for connected interval and permutation graphs. Given a simple graph G, a harmonious coloring of G is a ...
WG
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, we study the sub-coloring and hypo-coloring problems on interval graphs. These problems have applications in job scheduling and distributed computing and can be used...