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» Vertex partitions of chordal graphs
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ALGORITHMS
2010
114views more  ALGORITHMS 2010»
13 years 2 months ago
Graph Extremities Defined by Search Algorithms
: Graph search algorithms have exploited graph extremities, such as the leaves of a tree and the simplicial vertices of a chordal graph. Recently, several well-known graph search a...
Anne Berry, Jean R. S. Blair, Jean Paul Bordat, Ge...
WAOA
2010
Springer
209views Algorithms» more  WAOA 2010»
13 years 2 months ago
Densest k-Subgraph Approximation on Intersection Graphs
We study approximation solutions for the densest k-subgraph problem (DS-k) on several classes of intersection graphs. We adopt the concept of -quasi elimination orders, introduced ...
Danny Z. Chen, Rudolf Fleischer, Jian Li
CIAC
2010
Springer
251views Algorithms» more  CIAC 2010»
14 years 2 months ago
A parameterized algorithm for Chordal Sandwich
Given an arbitrary graph G = (V, E) and an additional set of admissible edges F, the Chordal Sandwich problem asks whether there exists a chordal graph (V, E F ) such that F F. ...
Pinar Heggernes, Federico Mancini, Jesper Nederlof...
DM
2006
92views more  DM 2006»
13 years 4 months ago
Minimal triangulations of graphs: A survey
Any given graph can be embedded in a chordal graph by adding edges, and the resulting chordal graph is called a triangulation of the input graph. In this paper we study minimal tr...
Pinar Heggernes
CJCDGCGT
2005
Springer
13 years 6 months ago
Fractional Vertex Arboricity of Graphs
The vertex arboricity va(G) of a graph G is the minimum number of subsets into which the vertex set V (G) can be partitioned so that each subset induces an acyclic subgraph. The f...
Qinglin Yu, Lian-Cui Zuo