{"id":"https://openalex.org/W7171979022","doi":"https://doi.org/10.48550/arxiv.2607.27958","title":"$\u03a3$-Mem: An Online Reliability Memory for LLM-based Multi-Agent Systems","display_name":"$\u03a3$-Mem: An Online Reliability Memory for LLM-based Multi-Agent Systems","publication_year":2026,"publication_date":"2026-07-30","ids":{"openalex":"https://openalex.org/W7171979022","doi":"https://doi.org/10.48550/arxiv.2607.27958"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2607.27958","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.27958","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2607.27958","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049566553","display_name":"Peilin Feng","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Feng, Peilin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012056611","display_name":"Suorong Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Suorong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5144107442","display_name":"Soujanya Poria","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Poria, Soujanya","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"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/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.20550000667572021,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.20550000667572021,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10462","display_name":"Reinforcement Learning in Robotics","score":0.11500000208616257,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10456","display_name":"Multi-Agent Systems and Negotiation","score":0.07280000299215317,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/correctness","display_name":"Correctness","score":0.6338000297546387},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.5231000185012817},{"id":"https://openalex.org/keywords/forgetting","display_name":"Forgetting","score":0.3955000042915344},{"id":"https://openalex.org/keywords/adaptive-memory","display_name":"Adaptive memory","score":0.325300008058548},{"id":"https://openalex.org/keywords/counterfactual-thinking","display_name":"Counterfactual thinking","score":0.3089999854564667},{"id":"https://openalex.org/keywords/competence","display_name":"Competence (human resources)","score":0.2906000018119812},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.2858000099658966}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7408999800682068},{"id":"https://openalex.org/C55439883","wikidata":"https://www.wikidata.org/wiki/Q360812","display_name":"Correctness","level":2,"score":0.6338000297546387},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.5231000185012817},{"id":"https://openalex.org/C7149132","wikidata":"https://www.wikidata.org/wiki/Q1377840","display_name":"Forgetting","level":2,"score":0.3955000042915344},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.37619999051094055},{"id":"https://openalex.org/C30390489","wikidata":"https://www.wikidata.org/wiki/Q4680748","display_name":"Adaptive memory","level":3,"score":0.325300008058548},{"id":"https://openalex.org/C108650721","wikidata":"https://www.wikidata.org/wiki/Q1783253","display_name":"Counterfactual thinking","level":2,"score":0.3089999854564667},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2964000105857849},{"id":"https://openalex.org/C100521375","wikidata":"https://www.wikidata.org/wiki/Q2015382","display_name":"Competence (human resources)","level":2,"score":0.2906000018119812},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.2858000099658966},{"id":"https://openalex.org/C12186640","wikidata":"https://www.wikidata.org/wiki/Q6815743","display_name":"Memory model","level":3,"score":0.2816999852657318},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.2635999917984009},{"id":"https://openalex.org/C534932454","wikidata":"https://www.wikidata.org/wiki/Q161410","display_name":"Peer-to-peer","level":2,"score":0.26260000467300415},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.25839999318122864},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.2581999897956848},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2572000026702881},{"id":"https://openalex.org/C2778712577","wikidata":"https://www.wikidata.org/wiki/Q3505966","display_name":"Retraining","level":2,"score":0.25450000166893005},{"id":"https://openalex.org/C2988402297","wikidata":"https://www.wikidata.org/wiki/Q65558817","display_name":"Data reliability","level":2,"score":0.2531000077724457},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.25189998745918274}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2607.27958","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.27958","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2607.27958","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.27958","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5694630146026611}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Memory":[0],"is":[1,29,100],"central":[2,37,128],"to":[3,42,142,148],"long-horizon":[4],"LLM":[5],"agents,":[6],"yet":[7],"existing":[8],"memory":[9,56,119,155,194],"systems":[10],"primarily":[11],"preserve":[12],"interaction":[13],"content":[14],"rather":[15],"than":[16],"modeling":[17],"which":[18],"agents":[19],"can":[20,120],"be":[21,40,121],"trusted":[22],"and":[23,65,83,146,151,161],"under":[24],"what":[25],"conditions.":[26],"This":[27],"limitation":[28],"particularly":[30],"important":[31],"in":[32,202],"multi-agent":[33,204],"systems,":[34],"where":[35],"a":[36,113,127,196],"model":[38],"may":[39],"unable":[41],"directly":[43],"verify":[44],"plausible":[45],"or":[46,133],"correlated":[47],"peer":[48,66,71,131,165],"responses.":[49],"We":[50],"introduce":[51],"$\u03a3$-Mem,":[52],"an":[53],"online":[54,104],"reliability":[55,144,188,193],"that":[57,183],"records":[58],"historical":[59],"competence":[60],"evidence":[61,68,76],"for":[62,123,199],"individual":[63],"peers":[64,150],"relationship":[67],"across":[69],"the":[70,92,108,117,162,167],"set.":[72,171],"Both":[73],"forms":[74],"of":[75,126],"are":[77],"maintained":[78],"as":[79,176,195],"real":[80],"symmetric":[81],"states":[82],"updated":[84],"from":[85],"post-decision":[86],"correctness":[87,178],"feedback.":[88],"By":[89],"Weyl's":[90],"inequality,":[91],"spectral":[93],"change":[94],"caused":[95],"by":[96],"each":[97],"event-level":[98],"update":[99],"bounded,":[101],"enabling":[102],"stable":[103],"adaptation":[105],"without":[106],"retraining":[107],"underlying":[109],"models.":[110],"$\u03a3$-Mem":[111,140,184],"provides":[112],"general":[114],"write-and-read":[115],"interface:":[116],"same":[118],"used":[122],"residual":[124],"steering":[125],"model,":[129],"response-free":[130],"routing,":[132],"reliability-weighted":[134],"voting.":[135],"Across":[136],"five":[137],"Qwen-family":[138],"models,":[139],"adapts":[141],"counterfactual":[143],"shifts":[145],"generalizes":[147],"unseen":[149],"task":[152],"domains.":[153],"Direct":[154],"readouts":[156],"also":[157],"outperform":[158],"majority":[159],"voting":[160],"best":[163],"fixed":[164],"over":[166],"full":[168],"OOD":[169],"evaluation":[170],"Moreover,":[172],"performance":[173],"improves":[174],"consistently":[175],"more":[177],"feedback":[179],"becomes":[180],"available,":[181],"indicating":[182],"progressively":[185],"accumulates":[186],"actionable":[187],"information.":[189],"These":[190],"results":[191],"establish":[192],"reusable":[197],"foundation":[198],"adaptive":[200],"coordination":[201],"LLM-based":[203],"systems.":[205]},"counts_by_year":[],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2026-08-01T00:00:00"}
