55 search results - page 5 / 11 » A class of perfectly contractile graphs |
ISAAC
2007
Springer
14 years 1 months ago
2007
Springer
Valiant introduced some 25 years ago an algebraic model of computation along with the complexity classes VP and VNP, which can be viewed as analogues of the classical classes P and...
ENDM
2008
13 years 7 months ago
2008
A graph G is clique-perfect if the cardinality of a maximum clique-independent set of H equals the cardinality of a minimum clique-transversal of H, for every induced subgraph H o...
JMIV
2008
13 years 7 months ago
2008
Region merging methods consist of improving an initial segmentation by merging some pairs of neighboring regions. In this paper, we consider a segmentation as a set of connected r...
WG
2009
Springer
14 years 2 months ago
2009
Springer
Chordal graphs, also called triangulated graphs, are important in algorithmic graph theory. In this paper we generalise the definition of chordal graphs to the class of directed ...
SIAMJO
2008
13 years 7 months ago
2008
Abstract. We consider the offline and online versions of a bin packing problem called bin packing with conflicts. Given a set of items V = {1, 2, . . . , n} with sizes s1, s2 . . ....