251 search results - page 14 / 51 » The Graphs with All Subgraphs T-Perfect |
DM
2007
13 years 7 months ago
2007
In this paper it is shown that a class of almost-median graphs that includes all planar almost-median graphs can be recognized in O(m log n) time, where n denotes the number of ve...
COCOON
2000
Springer
13 years 12 months ago
2000
Springer
We consider the parameterized complexity of the following problem under the framework introduced by Downey and Fellows[4]: Given a graph G, an integer parameter k and a non-trivial...
APPROX
2008
Springer
13 years 9 months ago
2008
Springer
We study approximation algorithms, integrality gaps, and hardness of approximation, of two problems related to cycles of "small" length k in a given graph. The instance f...
CP
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. This report presents a generic filtering scheme, based on the graph description of global constraints. This description is defined by a network of binary constraints and ...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
A b-coloring is a coloring of the vertices of a graph such that each color class contains a vertex that has a neighbor in all other color classes, and the b-chromatic number of a ...