849 search results - page 122 / 170 » On the Complexity of the Whitehead Minimization Problem |
CORR
2011
Springer
14 years 1 months ago
2011
Springer
Wireless systems comprised of rechargeable nodes have a significantly prolonged lifetime and are sustainable. A distinct characteristic of these systems is the fact that the node...
ESA
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, we study the complexity and approximability of the orthogonal frequency-division multiple access (OFDMA) scheduling problem with uniformly related communication chan...
INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— Traditional network routing uses the single (shortest) path paradigm. This paradigm leaves the session vulnerable to a variety of security threats, such as eavesdropping. We pr...
STOC
2010
ACM
15 years 1 months ago
2010
ACM
The spectral profile of a graph is a natural generalization of the classical notion of its Rayleigh quotient. Roughly speaking, given a graph G, for each 0 < < 1, the spect...
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JMLR
2008
14 years 9 months ago
2008
Log-linear and maximum-margin models are two commonly-used methods in supervised machine learning, and are frequently used in structured prediction problems. Efficient learning of...