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CORR
2011
Springer
144views Education» more  CORR 2011»
14 years 11 months ago
Analyzing Walksat on random formulas
Let Φ be a uniformly distributed random k-SAT formula with n variables and m clauses. We prove that the Walksat algorithm from [16, 17] finds a satisfying assignment of Φ in pol...
Amin Coja-Oghlan, Alan M. Frieze
SODA
2012
ACM
268views Algorithms» more  SODA 2012»
13 years 10 months ago
Analyzing graph structure via linear measurements
We initiate the study of graph sketching, i.e., algorithms that use a limited number of linear measurements of a graph to determine the properties of the graph. While a graph on n...
Kook Jin Ahn, Sudipto Guha, Andrew McGregor
MOBIHOC
2007
ACM
16 years 7 months ago
Approximation algorithms for longest-lived directional multicast communications in WANETs
Several centralized and distributed algorithms have been recently proposed to maximize the multicast lifetime for directional communications in wireless ad-hoc networks. Their per...
Song Guo, Oliver W. W. Yang, Victor C. M. Leung
PDCAT
2007
Springer
16 years 1 months ago
Two Tree-Based Algorithms for Network Spare Capacity Design
Abstract. Survivable network design has become increasingly important due to the need for reliable communication service. Its main purpose is to provide cost-efficient spare capaci...
Hovhannes A. Harutyunyan, Calin D. Morosan, Yunzan...
SPAA
2004
ACM
16 years 1 months ago
Improved combination of online algorithms for acceptance and rejection
Given two admission control algorithms that are cA-acceptcompetitive and cR-reject-competitive respectively, we give two ways to make an algorithm that is simultaneously O(cA)acce...
David P. Bunde, Yishay Mansour