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APPROX
2009
Springer
138views Algorithms» more  APPROX 2009»
15 years 9 months ago
Submodular Maximization over Multiple Matroids via Generalized Exchange Properties
Submodular-function maximization is a central problem in combinatorial optimization, generalizing many important NP-hard problems including Max Cut in digraphs, graphs and hypergr...
Jon Lee, Maxim Sviridenko, Jan Vondrák
APPROX
2009
Springer
137views Algorithms» more  APPROX 2009»
15 years 9 months ago
Testing Computability by Width Two OBDDs
Property testing is concerned with deciding whether an object (e.g. a graph or a function) has a certain property or is “far” (for some definition of far) from every object w...
Dana Ron, Gilad Tsur
APPROX
2009
Springer
105views Algorithms» more  APPROX 2009»
15 years 26 days ago
Real-Time Message Routing and Scheduling
Abstract. Exchanging messages between nodes of a network (e.g., embedded computers) is a fundamental issue in real-time systems involving critical routing and scheduling decisions....
Ronald Koch, Britta Peis, Martin Skutella, Andreas...
APPROX
2009
Springer
142views Algorithms» more  APPROX 2009»
15 years 9 months ago
Optimal Sherali-Adams Gaps from Pairwise Independence
Abstract. This work considers the problem of approximating fixed predicate constraint satisfaction problems (MAX k-CSP(P)). We show that if the set of assignments accepted by P co...
Konstantinos Georgiou, Avner Magen, Madhur Tulsian...
APPROX
2009
Springer
153views Algorithms» more  APPROX 2009»
15 years 9 months ago
Average-Case Analyses of Vickrey Costs
We explore the average-case “Vickrey” cost of structures in a random setting: the Vickrey cost of a shortest path in a complete graph or digraph with random edge weights; the V...
Prasad Chebolu, Alan M. Frieze, Páll Melste...