50 search results - page 4 / 10 » Kernelization Algorithms for the Vertex Cover Problem: Theor... |
ICALP
2011
Springer
12 years 11 months ago
2011
Springer
In [13], Erd˝os et al. defined the local chromatic number of a graph as the minimum number of colors that must appear within distance 1 of a vertex. For any ∆ ≥ 2, there are ...
GECCO
2007
Springer
14 years 1 months ago
2007
Springer
The main aim of randomized search heuristics is to produce good approximations of optimal solutions within a small amount of time. In contrast to numerous experimental results, th...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
We introduce a new technique for proving kernelization lower bounds, called cross-composition. A classical problem L cross-composes into a parameterized problem Q if an instance o...
APPROX
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. This paper investigates the relationship between the dimension theory of partial orders and the problem of scheduling precedenceconstrained jobs on a single machine to mi...
MFCS
2004
Springer
14 years 23 days ago
2004
Springer
Abstract. Bidimensionality provides a tool for developing subexponential fixed-parameter algorithms for combinatorial optimization problems on graph families that exclude a minor....