{"id":"W2057755196","doi":"10.1103/physrevd.80.124036","title":"Spectral geometry as a probe of quantum spacetime","year":2009,"lang":"en","type":"article","venue":"Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology","topic":"Noncommutative and Quantum Gravity Theories","field":"Physics and Astronomy","cited_by":134,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"","keywords":"Quantum gravity; Physics; Spacetime; Euclidean geometry; De Sitter universe; Quantum geometry; Quantum spacetime; Limit (mathematics); Dimension (graph theory); Quantum; Mathematical physics; Classical mechanics; Theoretical physics; Quantum mechanics; Geometry; Mathematics; Universe; Quantum dynamics; Mathematical analysis; Quantum operation; Pure 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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0008655724,0.0007505188,0.001998338,0.0001411146,0.0004438164,0.00008613353,0.0004505295,0.0001730825,0.000007779282],"category_scores_gemma":[0.000548983,0.0006728103,0.0005366234,0.000928133,0.0008524001,0.0004048226,0.0001260989,0.0007821908,0.0001135413],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003256198,"about_ca_system_score_gemma":0.0001712025,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003345488,"about_ca_topic_score_gemma":0.00003583631,"domain_scores_codex":[0.9950571,0.001030544,0.001382762,0.001039996,0.0004972562,0.0009923565],"domain_scores_gemma":[0.9960704,0.001324844,0.0007906249,0.0007579976,0.0005529756,0.0005031456],"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":[0.0001719522,0.001385171,0.02435124,0.0009781109,0.000217026,0.00001500859,0.001536495,0.000008111862,0.005342014,0.9396412,0.002609285,0.02374439],"study_design_scores_gemma":[0.001130973,0.001823665,0.008436109,0.0009097948,0.0007150372,0.00002942468,0.0004792126,0.00005664294,0.003719838,0.9802412,0.001736736,0.0007214021],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.96989,0.01782453,0.002225397,0.008377134,0.0001575184,0.001332021,0.00007633613,0.00007467861,0.00004240802],"genre_scores_gemma":[0.9871549,0.006596367,0.0006497376,0.004742591,0.0003831288,0.0002358368,0.0001607136,0.00004523384,0.00003148283],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04059997,"threshold_uncertainty_score":0.9995723,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01845164458306694,"score_gpt":0.3332365181272561,"score_spread":0.3147848735441892,"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."}}