149 search results - page 9 / 30 » The Longest Path Problem Is Polynomial on Interval Graphs |
JAL
2006
13 years 7 months ago
2006
: We consider a variety of vehicle routing problems. The input to a problem consists of a graph G = (N, E) and edge lengths l(e) e E. Customers located at the vertices have to be ...
FAW
2009
Springer
14 years 1 months ago
2009
Springer
The pathwidth of a graph G is the minimum clique number of H minus one, over all interval supergraphs H of G. We prove in this paper that the PATHWIDTH problem is NP-hard for parti...
IPL
2010
13 years 5 months ago
2010
We show that the problem of computing a minimum distortion embedding of a given graph into a path remains NP-hard when the input graph is restricted to a bipartite, cobipartite, o...
TCS
2011
13 years 2 months ago
2011
The problem of computing minimum distortion embeddings of a given graph into a line (path) was introduced in 2004 and has quickly attracted significant attention with subsequent ...
ESA
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. We prove that for every graph H, there exists a polynomial-time algorithm deciding if a planar graph can be contracted to H. We introduce contractions and topological min...