{"id":"W2020922832","doi":"10.3842/sigma.2012.032","title":"On the Relations between Gravity and BF Theories","year":2012,"lang":"en","type":"article","venue":"Symmetry Integrability and Geometry Methods and Applications","topic":"Noncommutative and Quantum Gravity Theories","field":"Physics and Astronomy","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"","keywords":"Action (physics); Mathematics; Dual (grammatical number); Theoretical physics; Gravitation; Mathematical physics; Pure mathematics; Physics; Algebra over a field; Classical mechanics; Quantum mechanics; Philosophy; Linguistics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001429663,0.0006517709,0.0006875418,0.003024118,0.001265141,0.001764241,0.001010964,0.001151876,0.00446229],"category_scores_gemma":[0.00194995,0.0002100635,0.0004850495,0.002788735,0.004915079,0.005735713,0.001508281,0.002388588,0.0007112937],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001201163,"about_ca_system_score_gemma":0.0006166259,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001312871,"about_ca_topic_score_gemma":0.001169404,"domain_scores_codex":[0.9994258,0.0002183215,0.00003964831,0.00008388962,0.0001844037,0.00004795662],"domain_scores_gemma":[0.9990982,0.0005711796,0.0001067897,0.00006189605,0.0001118247,0.00005006094],"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":[0.000001816105,0.000005077824,0.00004214257,0.00006624511,0.000002041691,0.00005469635,0.00007126058,0.0002820554,0.00009218199,0.9937582,0.0008394787,0.004784812],"study_design_scores_gemma":[0.000001583394,0.000006865696,0.0001455422,0.0000648031,0.000002750741,0.0001123435,0.00003227065,0.0005880545,0.00004391049,0.9868919,0.01210367,0.000006365101],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.06197434,0.3685358,0.147983,0.0233743,0.00416769,0.00006642791,0.0004007037,0.0002692738,0.3932284],"genre_scores_gemma":[0.6683004,0.2297789,0.05037928,0.004908722,0.01315069,0.000162483,0.0005967673,0.0001822749,0.03254048],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.00446229,"threshold_uncertainty_score":0.01492786,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0244345156940167,"score_gpt":0.359098430567412,"score_spread":0.3346639148733953,"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."}}