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This work is concerned with an adaptive edge element solution of an optimal control problem associated with a magnetostatic saddle-point Maxwell's system. An a posteriori error estimator of the residue type is derived for the lowest-order edge element approximation of the problem and proved to be both reliable and efficient. With the estimator and a general marking strategy, we propose an adaptive edge element method, which is demonstrated to generate a sequence of discrete solutions converging strongly to the exact solution satisfying the resulting optimality conditions and guarantee a vanishing limit of the error estimator.
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This page is a summary of: A Convergent adaptive edge element method for an optimal control problem in magnetostatics, ESAIM Mathematical Modelling and Numerical Analysis, February 2017, EDP Sciences,
DOI: 10.1051/m2an/2016030.
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