Sciweavers

604 search results - page 71 / 121
» On the Complexity of the Maximum Cut Problem
Sort
View
COMPGEOM
2009
ACM
15 years 4 months ago
Near-linear approximation algorithms for geometric hitting sets
Given a set system (X, R), the hitting set problem is to find a smallest-cardinality subset H ⊆ X, with the property that each range R ∈ R has a non-empty intersection with H...
Pankaj K. Agarwal, Esther Ezra, Micha Sharir
RTSS
2003
IEEE
15 years 3 months ago
A Consensus Protocol for CAN-Based Systems
Consensus is known to be a fundamental problem in fault-tolerant distributed systems. Solving this problem provides the means for distributed processes to agree on a single value....
George M. de A. Lima, Alan Burns
STOC
2010
ACM
193views Algorithms» more  STOC 2010»
15 years 2 months ago
Maintaining a large matching and a small vertex cover
We consider the problem of maintaining a large matching and a small vertex cover in a dynamically changing graph. Each update to the graph is either an edge deletion or an edge in...
Krzysztof Onak, Ronitt Rubinfeld
JSAC
2006
100views more  JSAC 2006»
14 years 9 months ago
An improved algorithm for optimal lightpath establishment on a tree topology
Routing and wavelength assignment (RWA) aims to assign the limited number of wavelengths in a wavelength-division multiplexed (WDM) optical network so as to achieve greater capacit...
Guoliang Xue, Weiyi Zhang, Jian Tang, Krishnaiyan ...
ICC
2007
IEEE
104views Communications» more  ICC 2007»
15 years 4 months ago
Semiblind Carrier Frequency Offset Estimation for OFDM Systems
— In this paper we consider the problem of semiblind carrier frequency offset (CFO) estimation for OFDM systems. Specifically, we consider a synchronization scheme based on the ...
Tilde Fusco, Ferdinando Marrone, Mario Tanda