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» Evolutionary algorithms and dynamic programming
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STOC
2010
ACM
295views Algorithms» more  STOC 2010»
15 years 7 months ago
Approximation Schemes for Steiner Forest on Planar Graphs and Graphs of Bounded Treewidth
We give the first polynomial-time approximation scheme (PTAS) for the Steiner forest problem on planar graphs and, more generally, on graphs of bounded genus. As a first step, w...
MohammadHossein Bateni, MohammadTaghi Hajiaghayi a...
COR
2006
82views more  COR 2006»
15 years 3 months ago
Batching work and rework processes with limited deterioration of reworkables
We study the problem of planning the production of new and recovering defective items of the same product manufactured on the same facility. Items of the product are produced in b...
Karl Inderfurth, Adam Janiak, Mikhail Y. Kovalyov,...
CORR
2006
Springer
109views Education» more  CORR 2006»
15 years 3 months ago
On Conditional Branches in Optimal Decision Trees
The decision tree is one of the most fundamental ing abstractions. A commonly used type of decision tree is the alphabetic binary tree, which uses (without loss of generality) &quo...
Michael B. Baer
DAM
2007
107views more  DAM 2007»
15 years 3 months ago
Eliminating graphs by means of parallel knock-out schemes
In 1997 Lampert and Slater introduced parallel knock-out schemes, an iterative process on graphs that goes through several rounds. In each round of this process, every vertex elim...
Hajo Broersma, Fedor V. Fomin, Rastislav Kralovic,...
IPPS
2010
IEEE
15 years 28 days ago
Improving numerical reproducibility and stability in large-scale numerical simulations on GPUs
The advent of general purpose graphics processing units (GPGPU's) brings about a whole new platform for running numerically intensive applications at high speeds. Their multi-...
Michela Taufer, Omar Padron, Philip Saponaro, Sand...