tokens: The research presented in this paper was financed by the European Research Council (ERC) under the European Union's Seventh Framework Programme (FP7/2007-2013) with the research project STiMulUs , ERC Grant agreement no. 278267. The authors are also very grateful for the subsequent financial support of the present research, already granted by the European Commission under the H2020-FETHPC-2014 programme with the research project ExaHyPE , grant agreement no. 671698. We are grateful to Bruno Giacomazzo and Luciano Rezzolla for providing the numerical code for the exact solution of the Riemann problem in RMHD. We would also like to acknowledge PRACE for awarding access to the SuperMUC supercomputer based in Munich, Germany at the Leibniz Rechenzentrum (LRZ), and ISCRA, for awarding access to the FERMI supercomputer based in Casalecchio (Italy).
ner_tags: O O O O O O O O O O B-Organization I-Organization I-Organization B-Organization O O B-Location I-Location B-Grant I-Grant I-Grant B-Grant O O O B-Grant I-Grant O B-Organization B-Grant I-Grant I-Grant I-Grant O O O O O O O O O O O O O O O O O O O B-Organization I-Organization O O B-Grant I-Grant O O B-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant O O O O B-Person I-Person O B-Person I-Person O O O O O O O O O O O O O O B-Model O O O O O O B-ComputingFacility O O O O O B-ComputingFacility I-ComputingFacility O O B-Location I-Location O O B-ComputingFacility I-ComputingFacility B-ComputingFacility O B-ComputingFacility O O O O O B-ComputingFacility I-ComputingFacility O O B-Location B-Location