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GLOBECOM
2006
IEEE
15 years 4 months ago
2006
IEEE
— We investigate nonlinear precoding techniques for the downlink of multi-user systems from a transmitter equipped with multiple antennas to non-cooperative single antenna mobile...
AAAI
2007
15 years 10 days ago
2007
We study the behavior of the classical A∗ search algorithm when coupled with a heuristic that provides estimates, accurate to within a small multiplicative factor, of the distan...
JAIR
2008
14 years 10 months ago
2008
Although recent years have seen a surge of interest in the computational aspects of social choice, no specific attention has previously been devoted to elections with multiple win...
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ECCV
2008
Springer
15 years 8 months ago
2008
Springer
There are many local and greedy algorithms for energy minimization over Markov Random Field (MRF) such as iterated condition mode (ICM) and various gradient descent methods. Local ...
CSR
2010
Springer
15 years 2 months ago
2010
Springer
Algorithmic tools for graphs of small treewidth are used to address questions in complexity theory. For both arithmetic and Boolean circuits, it is shown that any circuit of size ...