A posteriori \(L^{\infty }(L^{2})\)-error bounds for finite element approximations to the wave equation (Q2856620)

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scientific article; zbMATH DE number 6220953
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A posteriori \(L^{\infty }(L^{2})\)-error bounds for finite element approximations to the wave equation
scientific article; zbMATH DE number 6220953

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    30 October 2013
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    wave equation
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    implicit time stepping
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    reconstruction
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    linear second-order hyperbolic initial boundary value problem
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    a posteriori error bounds
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    finite element method
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    A posteriori \(L^{\infty }(L^{2})\)-error bounds for finite element approximations to the wave equation (English)
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    This paper deals with a linear second-order hyperbolic initial boundary value problem. The theory is developed for both the space-discrete case as well as for the practically relevant case of an implicit fully discrete scheme. The authors derive abstract a posteriori error bounds for the fully discrete implicit finite element method.
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