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» Approximation Algorithms

204

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COMPUTING
2008

174views more COMPUTING 2008»

Multilevel algorithms for Rannacher-Turek finite element approximation of 3D elliptic problems

15 years 6 months ago

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Generalizing the approach of a previous work [15] the authors present multilevel preconditioners for three-dimensional (3D) elliptic problems discretized by a family of Rannacher ...

Ivan Georgiev, Johannes Kraus, Svetozar Margenov

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231

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ICIP
2003
IEEE

284views Image Processing» more ICIP 2003»

Algorithms for stochastic approximations of curvature flows

16 years 8 months ago

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Curvature flows have been extensively considered from a deterministic point of view. They have been shown to be useful for a number of applications including crystal growth, flame...

Gozde B. Unal, Delphine Nain, G. Ben-Arous, Nahum ...

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122

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FOCS
2009
IEEE

90views Theoretical Computer Science» more FOCS 2009»

Improved Approximation Algorithms for PRIZE-COLLECTING STEINER TREE and TSP

16 years 1 months ago

Download www-math.mit.edu

Aaron Archer, MohammadHossein Bateni, Mohammad Tag...

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