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research article

Discrete maximum principle for Galerkin approximations of the Laplace operator on arbitrary meshes

Burman, Erik  
•
Ern, Alexandre
2004
comptes rendus de l'académie des sciences série i: mathématique

We derive a nonlinear stabilized Galerkin approximation of the Laplace operator for which we prove a discrete maximum principle on arbitrary meshes and for arbitrary space dimension without resorting to the well-known acute condition or generalizations thereof. We also prove the existence of a discrete solution and discuss the extension of the scheme to convection–diffusion–reaction equations. Finally, we present examples showing that the new scheme cures local minima produced by the standard Galerkin approach while maintaining first-order accuracy in the H1-norm.

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Type
research article
DOI
10.1016/j.crma.2004.02.010
Author(s)
Burman, Erik  
Ern, Alexandre
Date Issued

2004

Published in
comptes rendus de l'académie des sciences série i: mathématique
Volume

338

Issue

8

Start page

641

End page

646

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CMCS  
Available on Infoscience
April 24, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/5382
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