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Daniela di Serafino 7 years ago
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@ -9,15 +9,15 @@ Daniela di Serafino Univ. of Campania "L. Vanvitelli", Caserta, IT
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MLD2P4 (Multi-Level Domain Decomposition Parallel Preconditioners MLD2P4 (MultiLevel Domain Decomposition Parallel Preconditioners
Package based on PSBLAS) provides parallel Algebraic MultiGrid (AMG) Package based on PSBLAS) provides parallel Algebraic MultiGrid (AMG)
and Domain Decomposition preconditioners, to be used in the and Domain Decomposition preconditioners, to be used in the
iterative solution of linear systems. iterative solution of linear systems.
The name of the package comes from its original implementation, The name of the package comes from its original implementation,
containing multi-level additive and hybrid Schwarz preconditioners, containing multilevel additive and hybrid Schwarz preconditioners,
as well as one-level additive Schwarz preconditioners. The current as well as one-level additive Schwarz preconditioners. The current
version extends the original plan by including multi-level cycles version extends the original plan by including multilevel cycles
and smoothers widely used in multigrid methods. A purely algebraic and smoothers widely used in multigrid methods. A purely algebraic
approach is applied to generate coarse-level corrections, so that approach is applied to generate coarse-level corrections, so that
no geometric background is needed concerning the matrix to be no geometric background is needed concerning the matrix to be

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