{"id":"W2085197107","doi":"10.1007/bf02969335","title":"On the geometric structure of the class of planar quadratic differential systems","year":2002,"lang":"en","type":"article","venue":"Qualitative Theory of Dynamical Systems","topic":"Advanced Differential Equations and Dynamical Systems","field":"Mathematics","cited_by":14,"is_retracted":false,"has_abstract":false,"ca_institutions":"Université de Montréal","funders":"","keywords":"Mathematics; Planar; Class (philosophy); Quadratic differential; Quadratic equation; Differential (mechanical device); Pure mathematics; Mathematical analysis; Geometry; Computer science; Physics; Artificial intelligence","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":[0.0004108824,0.0003334726,0.0004914611,0.001581964,0.001251934,0.001901674,0.0007255382,0.0006291773,0.005588637],"category_scores_gemma":[0.001706303,0.0002603721,0.000396095,0.0009349714,0.002503935,0.002692628,0.001497389,0.001226961,0.0003119388],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001247062,"about_ca_system_score_gemma":0.0004566168,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00195668,"about_ca_topic_score_gemma":0.0008683515,"domain_scores_codex":[0.9997318,0.00004617061,0.000007809085,0.00004997712,0.0001145748,0.00004956588],"domain_scores_gemma":[0.9993104,0.0002382788,0.0001435676,0.0000451114,0.0001599083,0.0001028445],"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":[0.000004988448,0.000004024525,0.0001338616,0.0000131714,0.000001982156,0.0000155425,0.00007392756,0.001948097,0.0003246447,0.9950225,0.0003769493,0.002080336],"study_design_scores_gemma":[0.000007511269,0.00001255178,0.0004064271,0.000006107714,0.000002518711,0.00005190794,0.00007634974,0.01321193,0.0001224456,0.9834132,0.002681033,0.000007957099],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6361206,0.001935503,0.2253948,0.003719494,0.0001962512,0.00009134156,0.0005633058,0.0001646579,0.131814],"genre_scores_gemma":[0.9810204,0.0007318564,0.008102658,0.000196305,0.0002115922,0.00003259769,0.0002361407,0.00003434718,0.009434221],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005588637,"threshold_uncertainty_score":0.01869589,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05745851563897669,"score_gpt":0.3202150389129065,"score_spread":0.2627565232739298,"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."}}