36 research outputs found

    Les granulats a Hong Kong

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    Algebraic multilevel methods with aggregations: an overview

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    Submitted to the proceedings of LSSC 2005. Abstract. This paper deals with the numerical solution of elliptic boundary value problems by multilevel solvers with coarse levels created by aggregation. Strictly speaking, it deals with the construction of the coarse levels by aggregation, possible improvement of the simple aggregation technique and use of aggregations in multigrid, AMLI preconditioners and two-level Schwarz methods.
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