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182
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SCP
2010
15 years 5 months ago
2010
Several scienti c bottlenecks have been identi ed in existing component-based approaches. em, we focus on the identi cation of a relevant abstraction for the component expression ...
216
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SIAMSC
2010
15 years 5 months ago
2010
Abstract. Popular approaches for solving the shallow water equations (SWE) for climate modeling are explicit and semi-implicit methods, both have certain constraints on the time st...
166
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SIAMSC
2010
15 years 5 months ago
2010
Abstract. We introduce an operator-based scheme for preconditioning stiff components encountered in implicit methods for hyperbolic systems of PDEs posed on regular grids. The met...
209
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SIAMSC
2010
15 years 5 months ago
2010
Abstract. A smoothed aggregation multigrid method is presented for the numerical calculation of the stationary probability vector of an irreducible sparse Markov chain. It is shown...
178
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SIAMSC
2010
15 years 5 months ago
2010
Abstract. In this paper we improve traditional steepest descent methods for the direct minimization of the Gross-Pitaevskii (GP) energy with rotation at two levels. We first defi...