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SODA
2010
ACM
219views Algorithms» more  SODA 2010»
14 years 7 months ago
Algorithms and Complexity for Periodic Real-Time Scheduling
We investigate the preemptive scheduling of periodic tasks with hard deadlines. We show that, even in the uniprocessor case, no polynomial time algorithm can test the feasibility ...
Vincenzo Bonifaci, Ho-Leung Chan, Alberto Marchett...
SODA
2010
ACM
151views Algorithms» more  SODA 2010»
14 years 7 months ago
A Max-Flow/Min-Cut Algorithm for a Class of Wireless Networks
The linear deterministic model of relay channels is a generalization of the traditional directed network model which has become popular in the study of the flow of information ove...
S. M. Sadegh Tabatabaei Yazdi, Serap A. Savari
SODA
2010
ACM
214views Algorithms» more  SODA 2010»
14 years 7 months ago
Amplified Hardness of Approximation for VCG-Based Mechanisms
If a two-player social welfare maximization problem does not admit a PTAS, we prove that any maximal-in-range truthful mechanism that runs in polynomial time cannot achieve an app...
Shaddin Dughmi, Hu Fu, Robert Kleinberg
SODA
2010
ACM
176views Algorithms» more  SODA 2010»
14 years 7 months ago
Self-improving Algorithms for Convex Hulls
We describe an algorithm for computing planar convex hulls in the self-improving model: given a sequence I1, I2, . . . of planar n-point sets, the upper convex hull conv(I) of eac...
Kenneth L. Clarkson, Wolfgang Mulzer, C. Seshadhri
SODA
2010
ACM
426views Algorithms» more  SODA 2010»
14 years 7 months ago
Shape Replication Through Self-Assembly and RNase Enzymes
We introduce the problem of shape replication in the Wang tile self-assembly model. Given an input shape, we consider the problem of designing a self-assembly system which will re...
Zachary Abel, Nadia Benbernou, Mirela Damian, Erik...