{"id":"W3103341938","doi":"","title":"Discrete Hamiltonian evolution and quantum gravity","year":2003,"lang":"en","type":"article","venue":"CERN Document Server (European Organization for Nuclear Research)","topic":"Noncommutative and Quantum Gravity Theories","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute; University of New Brunswick","funders":"","keywords":"Poisson bracket; Discretization; Hamiltonian constraint; Physics; Hamiltonian (control theory); First class constraint; Quantum; Canonical quantum gravity; Quantum gravity; Mathematical physics; Loop quantum gravity; Constraint (computer-aided design); Poisson distribution; Classical mechanics; Applied mathematics; Theoretical physics; Pure mathematics; Mathematics; Quantum mechanics; Mathematical analysis; Lie algebra; Mathematical optimization; Geometry","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":[0.0003105841,0.0002203453,0.0002302504,0.0001846319,0.0004413686,0.0006988025,0.0005624847,0.0004521981,0.002323028],"category_scores_gemma":[0.0009487741,0.0001425392,0.0003459713,0.0002531047,0.00176333,0.001244336,0.0007432491,0.0006898107,0.0001590402],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006080496,"about_ca_system_score_gemma":0.0003838897,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001492255,"about_ca_topic_score_gemma":0.001253633,"domain_scores_codex":[0.9997962,0.00008443224,0.000007854081,0.00002621565,0.00005932624,0.00002591576],"domain_scores_gemma":[0.9996734,0.0001261355,0.00004899676,0.00008919559,0.00002728111,0.00003502402],"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":[0.000005993421,0.00001043125,0.0001447553,0.00001535005,0.000004649652,0.00003758355,0.00007774751,0.01919663,0.002046526,0.9757743,0.0001513059,0.002534641],"study_design_scores_gemma":[0.00001624213,0.0000206581,0.0002106615,0.000008907759,0.000003186183,0.00005554993,0.0000456689,0.2160137,0.0008774658,0.7798577,0.002879951,0.00001030152],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3164963,0.000994425,0.6414369,0.001016084,0.0001728337,0.00005101976,0.0001037987,0.0001258455,0.03960289],"genre_scores_gemma":[0.91797,0.0003530242,0.07666188,0.0001061736,0.00004723033,0.00004324912,0.00006797491,0.00003727646,0.004713186],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.002323028,"threshold_uncertainty_score":0.007771313,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01829353323488423,"score_gpt":0.2746131583615675,"score_spread":0.2563196251266833,"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."}}