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WG
2007
Springer
14 years 5 months ago
Lower Bounds for Three Algorithms for the Transversal Hypergraph Generation
Abstract. The computation of all minimal transversals of a given hypergraph in output-polynomial time is a long standing open question known as the transversal hypergraph generatio...
Matthias Hagen
ICALP
2005
Springer
14 years 4 months ago
Hadamard Tensors and Lower Bounds on Multiparty Communication Complexity
We develop a new method for estimating the discrepancy of tensors associated with multiparty communication problems in the “Number on the Forehead” model of Chandra, Furst and...
Jeff Ford, Anna Gál
FOCS
2002
IEEE
14 years 4 months ago
A Switching Lemma for Small Restrictions and Lower Bounds for k - DNF Resolution
d abstract) Nathan Segerlind∗ Sam Buss† Russell Impagliazzo‡ We prove a new switching lemma that works for restrictions that set only a small fraction of the variables and i...
Nathan Segerlind, Samuel R. Buss, Russell Impaglia...
ICALP
2001
Springer
14 years 3 months ago
Lower Bounds for the Weak Pigeonhole Principle Beyond Resolution
We work with an extension of Resolution, called Res(2), that allows clauses with conjunctions of two literals. In this system there are rules to introduce and eliminate such conju...
Albert Atserias, Maria Luisa Bonet, Juan Luis Este...
EUROPAR
1998
Springer
14 years 3 months ago
A Lower Bound for Dynamic Scheduling of Data Parallel Programs
Instruction Balanced Time Slicing IBTS allows multiple parallel jobs to be scheduled in a manner akin to the well-known gang scheduling scheme in parallel computers. IBTS however a...
Fabrício Alves Barbosa da Silva, Luis Migue...