{"id":"W2937696600","doi":"10.3847/1538-4365/ab29fd","title":"The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project","year":2019,"lang":"en","type":"article","venue":"The Astrophysical Journal Supplement Series","topic":"Astrophysical Phenomena and Observations","field":"Physics and Astronomy","cited_by":340,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Institute for Theoretical Astrophysics; Canadian Institute for Advanced Research; University of Toronto; Perimeter Institute; University of Waterloo","funders":"Los Alamos National Laboratory; Office of International Science and Engineering; National Key Research and Development Program of China; Consejo Nacional de Ciencia y Tecnología; Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México; Japan Society for the Promotion of Science; Leibniz-Gemeinschaft; China Scholarship Council; John Templeton Foundation; Ministry of Education, Culture, Sports, Science and Technology; Ministerio de Economía y Competitividad; Natural Sciences and Engineering Research Council of Canada; National Nuclear Security Administration; Institut Périmètre de physique théorique; Recruitment Program of Global Experts; Universidad Nacional Autónoma de México; Leibniz-Rechenzentrum; National Natural Science Foundation of China; National Research Foundation of Korea; Government of Canada; National Institutes of Natural Sciences; Ministerio de Ciencia, Innovación y Universidades; Nuclear Safety and Security Commission; Comisión Nacional de Investigación Científica y Tecnológica; Goddard Space Flight Center; Gordon and Betty Moore Foundation; Ministero dell’Istruzione, dell’Università e della Ricerca; Generalitat Valenciana; Academy of Finland; Max-Planck-Gesellschaft; Lawrence Livermore National Laboratory; Chinese Academy of Sciences; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Instituto de Astrofísica de Andalucía; Harvard University; Gauss Centre for Supercomputing; Toray Science Foundation; National Research Foundation; Vetenskapsrådet; U.S. Department of Energy; Leverhulme Trust; European Commission; National Radio Astronomy Observatory; Compute Canada; Universities Space Research Association; International Max Planck Research School for Environmental, Cellular and Molecular Microbiology; National Science Foundation; Academia Sinica; Istituto Nazionale di Fisica Nucleare; Department of Science and Technology, Ministry of Science and Technology, India; Russian Science Foundation; National Aeronautics and Space Administration","keywords":"Physics; Event horizon; Magnetorotational instability; Magnetohydrodynamic drive; General relativity; Neutron star; Astrophysics; Black hole (networking); Event (particle physics); Magnetohydrodynamics; Theoretical physics; Computer science; Magnetic field; Computer security","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002049134,0.0002978959,0.0003288416,0.00002809284,0.001151292,0.0003223461,0.0006128256,0.00002035578,0.0003818507],"category_scores_gemma":[0.000005793134,0.0001603792,0.0002743482,0.0002369154,0.0002079547,0.0003337389,0.0002008235,0.0006754671,0.0002254151],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008643919,"about_ca_system_score_gemma":0.0001035074,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006218224,"about_ca_topic_score_gemma":0.000008391487,"domain_scores_codex":[0.9978446,0.0002182298,0.0005478211,0.0002471018,0.0005255413,0.0006167562],"domain_scores_gemma":[0.9988262,0.0001791727,0.0003412463,0.0004450108,0.00009876335,0.0001095839],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0004006484,0.0005560056,0.01205444,0.00001115021,0.0004958347,0.000003010332,0.0006802748,0.02947736,0.007818511,0.9153355,0.01501737,0.01814987],"study_design_scores_gemma":[0.006392768,0.009501463,0.0900258,0.0001545409,0.0008183849,0.00001034608,0.01258929,0.1097184,0.002461434,0.4748458,0.2913461,0.00213566],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9179783,0.00003676008,0.0733747,0.006329025,0.0006820229,0.0008050551,0.0001402934,0.00004215926,0.0006116214],"genre_scores_gemma":[0.9903528,0.000005700982,0.002545791,0.00003855407,0.001427627,0.0000579724,0.0000866249,0.00003431233,0.005450595],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4404897,"threshold_uncertainty_score":0.8854927,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01075615650560941,"score_gpt":0.2635067924271575,"score_spread":0.2527506359215481,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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