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Zbl 0624.65109
Douglas, Jim jun.; Roberts, Jean E.
Global estimates for mixed methods for second order elliptic equations.
(English)
[J] Math. Comput. 44, 39-52 (1985). ISSN 0025-5718; ISSN 1088-6842/e

Für ein elliptisches Dirichletsches Randwertproblem in zwei bzw. drei Dimensionen wird eine gemischte Finite-Element-Methode untersucht: Nach Umformung der Gleichung zweiter Ordnung in ein System erster Ordnung wird die zugehörige schwache Form in einem Raviart-Thomas-Nedelec-Raum approximiert. Es werden globale Fehlerabschätzungen in $L\sp 2$, $L\sp{\infty}$ und $H\sp{-s}$ hergeleitet.
[F.v.Finckenstein]
MSC 2000:
*65N30 Finite numerical methods (BVP of PDE)
65N15 Error bounds (BVP of PDE)
35J25 Second order elliptic equations, boundary value problems

Keywords: global error estimates; mixed finite element method; Dirichlet problem; Raviart-Thomas-Nedelec space; optimal order estimates

Cited in: Zbl 0990.65127

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Scientific prize winners of the ICM 2010
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Lie groups, physics and geometry. An introduction for physicists, engineers and chemists.

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