{"id":"W2973137829","doi":"10.1017/s0022377819000679","title":"Godbillon-Vey helicity and magnetic helicity in magnetohydrodynamics","year":2019,"lang":"en","type":"article","venue":"Journal of Plasma Physics","topic":"Quantum chaos and dynamical systems","field":"Physics and Astronomy","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"Brock University","funders":"","keywords":"Magnetic helicity; Helicity; Magnetohydrodynamics; Magnetic field; Invariant (physics); Conservation law; Vector potential; Nonlinear system","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0002518765,0.0001875121,0.0004593409,0.0000649483,0.00003388383,0.00005812159,0.0001716015,0.00005669769,0.00009327063],"category_scores_gemma":[0.000006698877,0.0001561772,0.0001376185,0.0001982959,0.0000432269,0.0002351455,0.00006515181,0.0003737406,0.00004373146],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004524013,"about_ca_system_score_gemma":0.00005438676,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002696979,"about_ca_topic_score_gemma":0.00002052758,"domain_scores_codex":[0.998692,0.00006538358,0.0005312808,0.0001735045,0.0002668961,0.000270937],"domain_scores_gemma":[0.9991292,0.0001202008,0.000355629,0.0001677778,0.00009250401,0.0001346411],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0001709966,0.0007175492,0.9073972,0.0001561582,0.0000956516,0.00002441458,0.0005710388,0.005964545,0.01652399,0.03993182,0.0001512251,0.02829539],"study_design_scores_gemma":[0.008733028,0.002258592,0.2110775,0.00065173,0.0001486155,0.0000975804,0.0009268685,0.6890967,0.002370874,0.08007678,0.003176146,0.001385504],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9961105,0.00006636029,0.0009025053,0.00007708027,0.0003459386,0.0001493348,0.00002498198,0.000005576214,0.00231774],"genre_scores_gemma":[0.9990603,0.00001284446,0.0002541127,0.00002961838,0.0003854927,0.000001691034,0.0000045554,0.00001871052,0.0002326509],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6963197,"threshold_uncertainty_score":0.6368721,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003617925353521384,"score_gpt":0.197733449627097,"score_spread":0.1941155242735756,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}