Abstract
In this paper, a general form of functional type a posteriori error estimates for linear reaction-convection-diffusion problems is presented. It is derived by purely functional arguments without attracting specific properties of the approximation method. The estimate provides a guaranteed upper bound of the difference between the exact solution and any conforming approximation from the energy functional class. It is also proved that the derived error majorants give computable quantities, which are equivalent to the error evaluated in the energy and combined primal-dual norms. Bibliography: 14 titles.
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Published in Zapiski Nauchnykh Seminarov POMI, Vol. 348, 2007, pp. 127–146.
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Nicaise, S., Repin, S.I. Functional a posteriori error estimates for the reaction-convection-diffusion problem. J Math Sci 152, 690–701 (2008). https://doi.org/10.1007/s10958-008-9092-5
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DOI: https://doi.org/10.1007/s10958-008-9092-5