{"id":"W4246111513","doi":"10.1088/1361-6382/aa6d38","title":"A second look at transition amplitudes in (2  +  1)-dimensional causal dynamical triangulations","year":2017,"lang":"en","type":"article","venue":"Classical and Quantum Gravity","topic":"Black Holes and Theoretical Physics","field":"Physics and Astronomy","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Guelph; Perimeter Institute","funders":"High Energy Physics; Division of Physics; Division of Computer and Network Systems; Stichting voor Fundamenteel Onderzoek der Materie","keywords":"Physics; Semiclassical physics; Path integral formulation; Euclidean geometry; Spacetime; Quantum gravity; Spin foam; Euclidean space; Boundary (topology); Conjecture; Mathematical physics; De Sitter space; De Sitter universe; Theoretical physics; Quantum; Classical mechanics; Quantum mechanics; Loop quantum gravity; Pure mathematics; Mathematical analysis; Geometry; Universe; Mathematics","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":[0.0005513784,0.0003452052,0.0002726566,0.001720066,0.001139306,0.001918141,0.001042904,0.001338058,0.01186927],"category_scores_gemma":[0.002328948,0.0002341173,0.0007025402,0.0006443126,0.003327072,0.004772173,0.001464681,0.001741615,0.0004085758],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000594983,"about_ca_system_score_gemma":0.0003777526,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008002258,"about_ca_topic_score_gemma":0.0005745685,"domain_scores_codex":[0.999687,0.0000674119,0.00001465536,0.00005622986,0.0000840267,0.00009072413],"domain_scores_gemma":[0.9990878,0.0003538268,0.0001342423,0.000158223,0.0001007289,0.0001652147],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00001261065,0.00001359638,0.0002766014,0.00001639124,0.00000247665,0.0001348748,0.000288392,0.001355602,0.002871993,0.9927413,0.0003080289,0.001977923],"study_design_scores_gemma":[0.00001001396,0.00002437102,0.0005575604,0.00001279951,0.000002564452,0.0002391981,0.0002402009,0.01773274,0.0009832196,0.9787955,0.001380938,0.00002080421],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7352287,0.0006573942,0.1500741,0.00327535,0.0004275888,0.00007597567,0.0001622463,0.0004869427,0.1096117],"genre_scores_gemma":[0.9828089,0.000157252,0.0130864,0.0002476159,0.00009319246,0.0000207326,0.00004147084,0.00006741328,0.003477049],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01186927,"threshold_uncertainty_score":0.03970671,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01330018569784855,"score_gpt":0.2625219665173619,"score_spread":0.2492217808195133,"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."}}