{"id":"W578413142","doi":"10.1007/s00285-015-0906-z","title":"Using sign patterns to detect the possibility of periodicity in biological systems","year":2015,"lang":"en","type":"article","venue":"Journal of Mathematical Biology","topic":"Gene Regulatory Network Analysis","field":"Biochemistry, Genetics and Molecular Biology","cited_by":5,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Victoria","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Jacobian matrix and determinant; Eigenvalues and eigenvectors; Sign (mathematics); Mathematics; Hopf bifurcation; Matrix (chemical analysis); Bifurcation; Dynamical systems theory; Mathematical analysis; Applied mathematics; Physics; Nonlinear system","routes":{"ca_aff":true,"ca_fund":true,"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":[],"consensus_categories":[],"category_scores_codex":[0.001893575,0.0001185648,0.0004473876,0.00007015105,0.00002099232,0.000009116429,0.0003154424,0.0001857085,0.00001205582],"category_scores_gemma":[0.0007688667,0.00006519333,0.000165724,0.0001393252,0.0001462114,0.000002347496,0.0001251361,0.000129218,0.000002524742],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003643606,"about_ca_system_score_gemma":0.00009738113,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001579156,"about_ca_topic_score_gemma":0.00001154075,"domain_scores_codex":[0.9983227,0.0004948413,0.0007002144,0.0001581896,0.0001250934,0.0001990217],"domain_scores_gemma":[0.9989746,0.00008800992,0.0003166477,0.00027734,0.0002107355,0.0001326817],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0005770342,0.0003292383,0.2087451,0.00009391755,0.0003383358,0.00002024594,0.0004599072,0.007908405,0.7788234,0.0006859053,0.0002284306,0.001790154],"study_design_scores_gemma":[0.01327459,0.03384027,0.2560608,0.001551606,0.001455051,0.00616941,0.01530276,0.03612792,0.5260936,0.09847868,0.007864637,0.003780669],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9614934,0.0006052036,0.03755879,0.0000895207,0.00008680247,0.0001281068,0.000005125005,0.000001424707,0.00003167082],"genre_scores_gemma":[0.997293,0.00001514391,0.002465924,0.00005142478,0.0001595006,0.000002386949,0.000001453372,0.000006194373,0.000004959313],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2527297,"threshold_uncertainty_score":0.2658507,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07155089833501191,"score_gpt":0.3204908683585444,"score_spread":0.2489399700235325,"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."}}