STACS
2009
Springer
14 years 2 months ago
2009
Springer
We present a unified optimal semi-online algorithm for preemptive scheduling on uniformly related machines with the objective to minimize the makespan. This algorithm works for a...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
We study online nonclairvoyant speed scaling to minimize total flow time plus energy. We first consider the traditional model where the power function is P(s) = sα . We give a ...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
An edge-colored graph G is rainbow connected if any two vertices are connected by a path whose edges have distinct colors. The rainbow connectivity of a connected graph G, denoted ...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
STACS
2009
Springer
14 years 2 months ago
2009
Springer
We present the first polynomial-time approximation schemes (PTASes) for the following subset-connectivity problems in edge-weighted graphs of bounded genus: Steiner tree, low-conn...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
STACS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We prove that, for any arbitrary finite alphabet and for the uniform distribution over deterministic and accessible automata with n states, the average complexity of Moo...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
The paper investigates the power of the dynamic complexity classes DynFO, DynQF and DynPROP over string languages. The latter two classes contain problems that can be maintained us...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
We study data structures in the presence of adversarial noise. We want to encode a given object in a succinct data structure that enables us to efficiently answer specific queries...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
As the World Wide Web is growing rapidly, it is getting increasingly challenging to gather representative information about it. Instead of crawling the web exhaustively one has to...