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SIAMAM
2008
74views more  SIAMAM 2008»
15 years 4 months ago
Optimal Liquidation by a Large Investor
Abstract. We develop a partial equilibrium model to investigate the problem of optimal liquidation over a finite or infinite time horizon for an investor with large holdings in a r...
Ajay Subramanian
PRL
2006
115views more  PRL 2006»
15 years 4 months ago
A hybrid parallel projection approach to object-based image restoration
Approaches analyzing local characteristics of an image prevail in image restoration. However, they are less effective in cases of restoring images degraded by large size point spr...
Xin Fan, Hua Huang, Dequn Liang, Chun Qi
PRL
2006
85views more  PRL 2006»
15 years 4 months ago
Image segmentation based on merging of sub-optimal segmentations
In this paper a heuristic segmentation algorithm is presented based on the oversegmentation of an image. The method uses a set of different segmentations of the image produced pre...
Juan Carlos Pichel, David E. Singh, Francisco F. R...
PUC
2006
89views more  PUC 2006»
15 years 4 months ago
UbiqStack: a taxonomy for a ubiquitous computing software stack
This paper describes a taxonomy for a ubiquitous computing software stack called UbiqStack. Through the lens of the UbiqStack taxonomy we survey a variety of subsystems designed to...
Martin Modahl, Bikash Agarwalla, T. Scott Saponas,...
SIAMSC
2008
127views more  SIAMSC 2008»
15 years 4 months ago
Fast (Structured) Newton Computations
Abstract. Many vector-valued functions, representing expensive computations, are also structured computations. In this case the calculation of the Newton step can be greatly accele...
Thomas F. Coleman, Wei Xu
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