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» Relaxing the Value Restriction
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JCT
2007
90views more  JCT 2007»
13 years 10 months ago
On the maximum number of edges in quasi-planar graphs
A topological graph is quasi-planar, if it does not contain three pairwise crossing edges. Agarwal et al. [2] proved that these graphs have a linear number of edges. We give a sim...
Eyal Ackerman, Gábor Tardos
NA
2010
69views more  NA 2010»
13 years 8 months ago
Partial spectral projected gradient method with active-set strategy for linearly constrained optimization
A method for linearly constrained optimization which modifies and generalizes recent box-constraint optimization algorithms is introduced. The new algorithm is based on a relaxed...
Marina Andretta, Ernesto G. Birgin, José Ma...
MA
2011
Springer
204views Communications» more  MA 2011»
13 years 5 months ago
Estimating structural VARMA models with uncorrelated but non-independent error terms
The asymptotic properties of the quasi-maximum likelihood estimator (QMLE) of vector autoregressive moving-average (VARMA) models are derived under the assumption that the errors ...
Y. Boubacar Mainassara, Christian Francq
PAMI
2011
13 years 5 months ago
Robust Bilayer Segmentation and Motion/Depth Estimation with a Handheld Camera
—Extracting high-quality dynamic foreground layers from a video sequence is a challenging problem due to the coupling of color, motion, and occlusion. Many approaches assume that...
Guofeng Zhang, Jiaya Jia, Wei Hua, Hujun Bao
PPDP
2007
Springer
14 years 4 months ago
Computing with subspaces
We propose a new definition and use of a primitive getAllValues, for computing all the values of a non-deterministic expression in a functional logic program. Our proposal restri...
Sergio Antoy, Bernd Braßel