1461 search results - page 19 / 293 » Complexity of Graph Covering Problems |
IPCO
2007
13 years 9 months ago
2007
Let A be the edge-node incidence matrix of a bipartite graph G = (U, V ; E), I be a subset the nodes of G, and b be a vector such that 2b is integral. We consider the following mi...
JUCS
2010
13 years 6 months ago
2010
Abstract: This paper discusses three rectilinear (that is, axis-parallel) covering problems in d dimensions and their variants. The first problem is the Rectilinear Line Cover whe...
ESA
2001
Springer
13 years 12 months ago
2001
Springer
In this paper we introduce a general strategy for approximating the solution to minimisation problems in random regular graphs. We describe how the approach can be applied to the m...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We investigate here the computational complexity of three natural problems in directed acyclic graphs. We prove their NP Completeness and consider their restrictions to linear orde...
JCO
2007
13 years 7 months ago
2007
This paper discusses the relation among four problems: graph testing, DNA complex screening, superimposed codes and secure key distribution. We prove a surprising equivalence relat...