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» Improved approximation algorithms for the freeze-tag problem
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SODA
2012
ACM
196views Algorithms» more  SODA 2012»
11 years 11 months ago
Polytope approximation and the Mahler volume
The problem of approximating convex bodies by polytopes is an important and well studied problem. Given a convex body K in Rd , the objective is to minimize the number of vertices...
Sunil Arya, Guilherme Dias da Fonseca, David M. Mo...
STOC
2009
ACM
139views Algorithms» more  STOC 2009»
14 years 9 months ago
Online and stochastic survivable network design
Consider the edge-connectivity survivable network design problem: given a graph G = (V, E) with edge-costs, and edgeconnectivity requirements rij Z0 for every pair of vertices i,...
Anupam Gupta, Ravishankar Krishnaswamy, R. Ravi
APPROX
2011
Springer
234views Algorithms» more  APPROX 2011»
12 years 8 months ago
Streaming Algorithms with One-Sided Estimation
Abstract. We study the space complexity of randomized streaming algorithms that provide one-sided approximation guarantees; e.g., the algorithm always returns an overestimate of th...
Joshua Brody, David P. Woodruff
INFOCOM
2003
IEEE
14 years 2 months ago
Improving Web Performance in Broadcast-Unicast Networks
— Satellite operators have recently begun offering Internet access over their networks. Typically, users connect to the network using a modem for uplink, and a satellite dish for...
Mukesh Agrawal, Amit Manjhi, Nikhil Bansal, Sriniv...
WADS
2007
Springer
128views Algorithms» more  WADS 2007»
14 years 2 months ago
Approximate Range Searching: The Absolute Model
Range searching is a well known problem in the area of geometric data structures. We consider this problem in the context of approximation, where an approximation parameter ε >...
Guilherme Dias da Fonseca