Volume 14, pp. 178-194, 2002.

Comparing multilevel coarsening strategies

Frauke Sprengel

Abstract

We compare several multilevel coarsening strategies by using stable subspace splitting techniques. The obtained condition numbers give an answer on how well the coarsening strategies are suited for solving an anisotropic elliptic boundary value problem.

Full Text (PDF) [256 KB]

Key words

Finite elements, multilevel algorithms, semi-coarsening.

AMS subject classifications

65N30, 65N55, 65N22.

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