{"id":"W2133893722","doi":"10.1111/j.1365-246x.2011.05054.x","title":"Perturbation expansions of complex-valued traveltime along real-valued reference rays","year":2011,"lang":"en","type":"article","venue":"Geophysical Journal International","topic":"Seismic Imaging and Inversion Techniques","field":"Earth and Planetary Sciences","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Université du Québec à Montréal","funders":"","keywords":"Eikonal equation; Hamilton–Jacobi equation; Perturbation (astronomy); Mathematical analysis; Mathematics; Physics; Quantum mechanics","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0002422421,0.0001172435,0.0001689702,0.0001400785,0.0001319571,0.00003813798,0.0004012694,0.00005266037,0.005065958],"category_scores_gemma":[0.00005882832,0.00009334437,0.0001138088,0.0001066605,0.0001272919,0.0003483712,0.00001832587,0.0002609445,0.0001618777],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001249597,"about_ca_system_score_gemma":0.0000587055,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003913673,"about_ca_topic_score_gemma":0.00001406403,"domain_scores_codex":[0.9987339,0.00008912718,0.0003582574,0.0001647769,0.0004712782,0.0001826692],"domain_scores_gemma":[0.9992301,0.00006589646,0.0002219288,0.0001199893,0.0002392012,0.0001228144],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.00208022,0.001644269,0.1816663,0.00006656695,0.0009750032,0.0002929732,0.01373205,0.0005073095,0.03237414,0.07283127,0.1079481,0.5858818],"study_design_scores_gemma":[0.0006883313,0.000383402,0.8416899,0.00009055847,0.00003999269,0.0001718398,0.0004866705,0.1106498,0.006067339,0.03626902,0.003163982,0.0002991256],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8811091,0.00002915374,0.006815653,0.0005658772,0.0008218478,0.0001082752,0.0001090447,0.00009027148,0.1103508],"genre_scores_gemma":[0.9883007,0.00006028182,0.01015207,0.0004644698,0.0002111428,5.515304e-7,0.0001071339,0.000003945166,0.0006997439],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6600236,"threshold_uncertainty_score":0.9958435,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06325530429241435,"score_gpt":0.2648979362608269,"score_spread":0.2016426319684126,"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."}}