Abstract
We present a brief overview of the different domain and space decomposition techniques that enter in developing and analyzing solvers for discontinuous Galerkin methods. Emphasis is given to the novel and distinct features that arise when considering DG discretizations over conforming methods. Connections and differences with the conforming approaches are emphasized.
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Acknowledgements
Blanca Ayuso de Dios thanks R. Hiptmair (ETH) for raising up the issue on the use of Auxiliary space techniques for preconditioning DG methods, at the DD21 meeting. First author has been partially supported by MINECO grant MTM2011-27739-C04-04 and GENCAT 2009SGR-345.
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de Dios, B.A., Zikatanov, L. (2014). Space Decompositions and Solvers for Discontinuous Galerkin Methods. In: Erhel, J., Gander, M., Halpern, L., Pichot, G., Sassi, T., Widlund, O. (eds) Domain Decomposition Methods in Science and Engineering XXI. Lecture Notes in Computational Science and Engineering, vol 98. Springer, Cham. https://doi.org/10.1007/978-3-319-05789-7_1
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