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STACS
2009
Springer
15 years 6 months ago
Semi-Online Preemptive Scheduling: One Algorithm for All Variants
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...
Tomás Ebenlendr, Jiri Sgall
STACS
2009
Springer
15 years 4 months ago
An Order on Sets of Tilings Corresponding to an Order on Languages
Abstract. Traditionally a tiling is defined with a finite number of finite forbidden patterns. We can generalize this notion considering any set of patterns. Generalized tilings...
Nathalie Aubrun, Mathieu Sablik
STACS
2009
Springer
15 years 6 months ago
Forward Analysis for WSTS, Part I: Completions
Well-structured transition systems provide the right foundation to compute a finite basis of the set of predecessors of the upward closure of a state. The dual problem, to compute...
Alain Finkel, Jean Goubault-Larrecq
STACS
2009
Springer
15 years 6 months ago
Randomness on Computable Probability Spaces - A Dynamical Point of View
We extend the notion of randomness (in the version introduced by Schnorr) to computable Probability Spaces and compare it to a dynamical notion of randomness: typicality. Roughly, ...
Péter Gács, Mathieu Hoyrup, Cristoba...
STACS
2009
Springer
15 years 6 months ago
Tractable Structures for Constraint Satisfaction with Truth Tables
The way the graph structure of the constraints influences the complexity of constraint satisfaction problems (CSP) is well understood for bounded-arity constraints. The situation...
Dániel Marx