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CORR
2010
Springer
14 years 10 months ago
2010
Springer
We consider the problem of maximizing a nonnegative (possibly non-monotone) submodular set function with or without constraints. Feige et al. [9] showed a 2/5-approximation for th...
CORR
2010
Springer
14 years 10 months ago
2010
Springer
In our previous work (`An Algebraic Watchdog for Wireless Network Coding'), we proposed a new scheme in which nodes can detect malicious behaviors probabilistically, police th...
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CORR
2010
Springer
14 years 10 months ago
2010
Springer
We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account...
CORR
2010
Springer
14 years 8 months ago
2010
Springer
We consider an extension of the popular matching problem in this paper. The input to the popular matching problem is a bipartite graph G = (A ∪ B, E), where A is a set of people,...
CORR
2010
Springer
14 years 8 months ago
2010
Springer
In this paper, we investigate the transmission completion time minimization problem in a two-user additive white Gaussian noise (AWGN) broadcast channel, where the transmitter is ...