{"id":"W2130697307","doi":"10.1112/jlms/jdp072","title":"Obstructions to the existence of fold maps","year":2010,"lang":"en","type":"article","venue":"Journal of the London Mathematical Society","topic":"Homotopy and Cohomology in Algebraic Topology","field":"Mathematics","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"Muscular Dystrophy Canada; University of Toronto","funders":"","keywords":"Gravitational singularity; Mathematics; Tangent; Pure mathematics; Fold (higher-order function); Homotopy; Tangent bundle; Vector bundle; Vector field; Class (philosophy); Characteristic class; Mathematical analysis; Tangent space; Geometry; Cohomology; Computer science","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":[0.0006395949,0.0005055129,0.0006507253,0.001422961,0.002309905,0.002222858,0.0005419914,0.001258656,0.003426473],"category_scores_gemma":[0.004091636,0.0003477751,0.0007326214,0.0004515456,0.002947362,0.003622395,0.004323388,0.001809583,0.0003465186],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006964855,"about_ca_system_score_gemma":0.0004162794,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003903536,"about_ca_topic_score_gemma":0.0002755433,"domain_scores_codex":[0.999496,0.00007608681,0.00003140578,0.00007033881,0.0001499613,0.0001761257],"domain_scores_gemma":[0.9986126,0.0004635879,0.0002335165,0.000173724,0.0001552628,0.0003612372],"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":[0.00008747107,0.00005676662,0.003873278,0.00008644458,0.00001579553,0.0009023806,0.0009183721,0.004507164,0.006675191,0.9765962,0.0006460655,0.00563472],"study_design_scores_gemma":[0.00002906504,0.00009799764,0.003750311,0.00004702449,0.00002181959,0.001140127,0.000893404,0.02362904,0.006639433,0.9600338,0.003682886,0.00003527128],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9363928,0.000368139,0.03860501,0.0005311399,0.00009206399,0.00003137309,0.00006339987,0.0001222775,0.02379373],"genre_scores_gemma":[0.9933459,0.0001781012,0.002767355,0.00002322863,0.00005123116,0.00002586537,0.00004922893,0.00002833871,0.003530764],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003426473,"threshold_uncertainty_score":0.01146269,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02624165822109764,"score_gpt":0.3029289861055535,"score_spread":0.2766873278844559,"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."}}