{"id":"https://openalex.org/W7154589510","doi":"https://doi.org/10.48550/arxiv.2604.13627","title":"(How) Learning Rates Regulate Catastrophic Overtraining","display_name":"(How) Learning Rates Regulate Catastrophic Overtraining","publication_year":2026,"publication_date":"2026-04-15","ids":{"openalex":"https://openalex.org/W7154589510","doi":"https://doi.org/10.48550/arxiv.2604.13627"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.13627","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.13627","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.13627","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5133743165","display_name":"Mark Rofin","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Rofin, Mark","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036369543","display_name":"Aditya Varre","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Varre, Aditya","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5126667215","display_name":"Nicolas Flammarion","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Flammarion, Nicolas","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5133743165"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10982","display_name":"Motor Control and Adaptation","score":0.19249999523162842,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10982","display_name":"Motor Control and Adaptation","score":0.19249999523162842,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10656","display_name":"Child and Animal Learning Development","score":0.121799997985363,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11431","display_name":"Action Observation and Synchronization","score":0.11869999766349792,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/overtraining","display_name":"Overtraining","score":0.9014000296592712},{"id":"https://openalex.org/keywords/forgetting","display_name":"Forgetting","score":0.7949000000953674},{"id":"https://openalex.org/keywords/mechanism","display_name":"Mechanism (biology)","score":0.3691999912261963},{"id":"https://openalex.org/keywords/harm","display_name":"Harm","score":0.34610000252723694},{"id":"https://openalex.org/keywords/phenomenon","display_name":"Phenomenon","score":0.33719998598098755}],"concepts":[{"id":"https://openalex.org/C2778534509","wikidata":"https://www.wikidata.org/wiki/Q334310","display_name":"Overtraining","level":3,"score":0.9014000296592712},{"id":"https://openalex.org/C7149132","wikidata":"https://www.wikidata.org/wiki/Q1377840","display_name":"Forgetting","level":2,"score":0.7949000000953674},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.5338000059127808},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.45509999990463257},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41999998688697815},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38029998540878296},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.3691999912261963},{"id":"https://openalex.org/C2777363581","wikidata":"https://www.wikidata.org/wiki/Q15098235","display_name":"Harm","level":2,"score":0.34610000252723694},{"id":"https://openalex.org/C50335755","wikidata":"https://www.wikidata.org/wiki/Q483247","display_name":"Phenomenon","level":2,"score":0.33719998598098755},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.33629998564720154},{"id":"https://openalex.org/C108154423","wikidata":"https://www.wikidata.org/wiki/Q1469792","display_name":"Salience (neuroscience)","level":2,"score":0.2694999873638153}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.13627","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.13627","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.13627","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.13627","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Supervised":[0],"fine-tuning":[1],"(SFT)":[2],"is":[3],"a":[4,22,42,129],"common":[5],"first":[6,56],"stage":[7],"of":[8,35,65,68,111,131,143],"LLM":[9],"post-training,":[10],"teaching":[11],"the":[12,26,32,63,69,76,83,109,112,132,141,144],"model":[13],"to":[14,75,95,103,124,140],"follow":[15],"instructions":[16],"and":[17,91,137,151],"shaping":[18],"its":[19],"behavior":[20],"as":[21,45],"helpful":[23],"assistant.":[24],"At":[25],"same":[27,77],"time,":[28],"SFT":[29,78],"may":[30],"harm":[31],"fundamental":[33],"capabilities":[34],"an":[36],"LLM,":[37],"particularly":[38],"after":[39],"long":[40],"pretraining:":[41],"phenomenon":[43],"known":[44],"catastrophic":[46,58,119],"overtraining":[47,133],"(Springer":[48],"et":[49],"al.,":[50],"2025).":[51],"To":[52],"understand":[53],"overtraining,":[54],"we":[55,80,100],"investigate":[57],"forgetting":[59,102,120],"in":[60,116,135],"finetuning":[61,88],"through":[62],"lens":[64],"implicit":[66],"regularization":[67],"learning":[70,84,105],"rate.":[71],"For":[72],"models":[73],"trained":[74],"loss,":[79],"identify":[81],"how":[82],"rate":[85,106],"mediates":[86],"optimization:":[87],"with":[89],"large":[90],"small":[92],"steps":[93],"converges":[94],"qualitatively":[96],"different":[97],"models.":[98],"Next,":[99],"link":[101],"overtraining:":[104],"decay":[107],"increases":[108],"sharpness":[110],"pretrained":[113],"model,":[114],"which":[115],"turn":[117],"exacerbates":[118],"during":[121,149],"SFT,":[122],"leading":[123],"overtraining.":[125],"Our":[126],"findings":[127],"paint":[128],"picture":[130],"mechanism":[134],"LLMs":[136],"broadly":[138],"contribute":[139],"understanding":[142],"interplay":[145],"between":[146],"optimization":[147],"dynamics":[148],"pretraining":[150],"finetuning.":[152]},"counts_by_year":[],"updated_date":"2026-04-17T06:04:52.305304","created_date":"2026-04-17T00:00:00"}
