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» The Complexity of Polynomial-Time Approximation
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146
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PC
2000
93views Management» more  PC 2000»
15 years 4 months ago
Scheduling outtrees of height one in the LogP model
The LogP model is a model of parallel computation that characterises a parallel computer system by four parameters: the latency L, the overhead o, the gap g and the number of proc...
Jacques Verriet
125
Voted
DM
1998
57views more  DM 1998»
15 years 4 months ago
Note on alternating directed cycles
The problem of the existence of an alternating simple dicycle in a 2-arc-coloured digraph is considered. This is a generalization of the alternating cycle problem in 2-edgecoloure...
Gregory Gutin, Benny Sudakov, Anders Yeo
FSTTCS
2010
Springer
15 years 3 months ago
Computing Rational Radical Sums in Uniform TC^0
A fundamental problem in numerical computation and computational geometry is to determine the sign of arithmetic expressions in radicals. Here we consider the simpler problem of d...
Paul Hunter, Patricia Bouyer, Nicolas Markey, Jo&e...
GLOBECOM
2010
IEEE
15 years 3 months ago
Diversity Embedded Streaming Erasure Codes (DE-SCo): Constructions and Optimality
Streaming erasure codes encode a source stream to guarantee that each source packet is recovered within a fixed delay at the receiver over a burst-erasure channel. This paper intro...
Ahmed Badr, Ashish Khisti, Emin Martinian
ISAAC
2010
Springer
243views Algorithms» more  ISAAC 2010»
15 years 2 months ago
Lower Bounds for Howard's Algorithm for Finding Minimum Mean-Cost Cycles
Howard's policy iteration algorithm is one of the most widely used algorithms for finding optimal policies for controlling Markov Decision Processes (MDPs). When applied to we...
Thomas Dueholm Hansen, Uri Zwick