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SODA
2010
ACM
176views Algorithms» more  SODA 2010»
14 years 5 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
SIAMCOMP
2010
109views more  SIAMCOMP 2010»
13 years 3 months ago
Analysis of Delays Caused by Local Synchronization
Synchronization is often necessary in parallel computing, but it can create delays whenever the receiving processor is idle, waiting for the information to arrive. This is especia...
Julia Lipman, Quentin F. Stout
SPAA
2010
ACM
13 years 8 months ago
On the bit communication complexity of randomized rumor spreading
We study the communication complexity of rumor spreading in the random phone-call model. Suppose n players communicate in parallel rounds, where in each round every player calls a...
Pierre Fraigniaud, George Giakkoupis
WADS
2009
Springer
267views Algorithms» more  WADS 2009»
14 years 1 months ago
Computing the Implicit Voronoi Diagram in Triple Precision
In a paper that considered arithmetic precision as a limited resource in the design and analysis of algorithms, Liotta, Preparata and Tamassia defined an “implicit Voronoi diagr...
David L. Millman, Jack Snoeyink
ICML
2009
IEEE
14 years 9 months ago
Near-Bayesian exploration in polynomial time
We consider the exploration/exploitation problem in reinforcement learning (RL). The Bayesian approach to model-based RL offers an elegant solution to this problem, by considering...
J. Zico Kolter, Andrew Y. Ng