{"id":"W4411625133","doi":"10.2140/agt.2025.25.1321","title":"The Alexandrov theorem for 2 + 1 flat radiantspacetimes","year":2025,"lang":"en","type":"article","venue":"Algebraic & Geometric Topology","topic":"Advanced Differential Geometry Research","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Centre for Research in Astrophysics of Québec","funders":"European Commission","keywords":"Mathematics; Mathematical analysis; Geometry; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000744501,0.000935671,0.001060032,0.001583649,0.002320801,0.002727585,0.00109485,0.001240066,0.006621107],"category_scores_gemma":[0.00103709,0.0004409767,0.001170714,0.0008063383,0.002950271,0.004075151,0.002309906,0.003172529,0.001254053],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001276998,"about_ca_system_score_gemma":0.0008325831,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002085623,"about_ca_topic_score_gemma":0.001024627,"domain_scores_codex":[0.9993832,0.0001033395,0.00003163081,0.0001287602,0.0002072157,0.0001458521],"domain_scores_gemma":[0.9995974,0.00009752763,0.00004735761,0.00007299607,0.00009561246,0.00008928787],"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":[0.00001369768,0.000006242959,0.00005385071,0.000009445169,0.000003844027,0.00002456469,0.00005739478,0.0001973316,0.0003705686,0.996687,0.0007073141,0.001868672],"study_design_scores_gemma":[0.00001020578,0.00001592483,0.0002710951,0.000005243066,0.000003741947,0.00006010634,0.00002849001,0.001744985,0.0002318713,0.9936038,0.004014816,0.000009932373],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.3789342,0.002761827,0.1813543,0.005295224,0.002005026,0.00007389704,0.0006371961,0.0006999104,0.4282384],"genre_scores_gemma":[0.9001663,0.001216582,0.01954195,0.001327984,0.001667063,0.00008323731,0.0004316296,0.0002226639,0.07534254],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.006621107,"threshold_uncertainty_score":0.02214974,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009748473941352639,"score_gpt":0.3051891802979954,"score_spread":0.2954407063566428,"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."}}