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FOCS
2008
IEEE
13 years 11 months ago
Constant-Time Approximation Algorithms via Local Improvements
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
Huy N. Nguyen, Krzysztof Onak
ISAAC
2005
Springer
153views Algorithms» more  ISAAC 2005»
13 years 10 months ago
Network Game with Attacker and Protector Entities
Consider an information network with harmful procedures called attackers (e.g., viruses); each attacker uses a probability distribution to choose a node of the network to damage. O...
Marios Mavronicolas, Vicky G. Papadopoulou, Anna P...
VTC
2006
IEEE
152views Communications» more  VTC 2006»
13 years 11 months ago
Cross-Layer Resource Allocation via Geometric Programming in Fading Broadcast Channels
Abstract— In a fading broadcast channel (BC), Queue Proportional Scheduling (QPS) is presented via geometric programming (GP). Given the current queue state, QPS allocates a data...
Kibeom Seong, Ravi Narasimhan, John M. Cioffi
JGAA
2000
179views more  JGAA 2000»
13 years 4 months ago
Approximation Algorithms for Some Graph Partitioning Problems
This paper considers problems of the following type: given an edgeweighted k-colored input graph with maximum color class size c, find a minimum or maximum c-way cut such that eac...
George He, Jiping Liu, Cheng Zhao
TWC
2008
135views more  TWC 2008»
13 years 5 months ago
Optimal Distributed Stochastic Routing Algorithms for Wireless Multihop Networks
A novel framework was introduced recently for stochastic routing in wireless multihop networks, whereby each node selects a neighbor to forward a packet according to a probability...
Alejandro Ribeiro, Nikolas D. Sidiropoulos, Georgi...