5595 search results - page 939 / 1119 » Approximation Algorithms for Clustering Problems |
209
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SIAMSC
2011
15 years 24 days ago
2011
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
188
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
This work considers the independent component analysis (ICA) of quaternion random vectors. In particular, we focus on the Gaussian case, and therefore the ICA problem is solved by...
169
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INFOCOM
2006
IEEE
16 years 11 days ago
2006
IEEE
— We study the complexity of a spectrum of design problems for optical networks in order to carry a set of demands. Under wavelength division multiplexing (WDM) technology, deman...
152
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SIAMSC
2010
15 years 4 months ago
2010
In numerous applications of image processing, e.g. astronomical and medical imaging, data-noise is well-modeled by a Poisson distribution. This motivates the use of the negative-lo...
178
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ICFP
2007
ACM
16 years 6 months ago
2007
ACM
We analyze the computational complexity of kCFA, a hierarchy of control flow analyses that determine which functions may be applied at a given call-site. This hierarchy specifies ...