PUMA
Istituto di Matematica Applicata e Tecnologie Informatiche     
Bertoluzza S., Kunoth A. Wavelet Stabilization and Preconditioning for Domain Decomposition. Preprint ercim.cnr.ian//1999-1127, 1999.
 
 
Abstract
(English)
The aim of this paper is to propose a stabilization technique in order to circumvent the two inf-sup conditions needed for stability of the discretization of the Three Fields Formulation for domain decomposition methods. Realization of this technique in terms of wavelets is presented. Furthermore, the resulting discrete problem is shown to admit an asymptotically optimal preconditioner also based on wavelets.
Subject Three Fields Formulation, Domain Decomposition, Wavelets, Stabilization, Preconditioning.
65N55



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