{"id":"https://openalex.org/W7172345498","doi":"https://doi.org/10.48550/arxiv.2607.28918","title":"An E-value Reanalysis of DESI's Dynamical Dark Energy Signal","display_name":"An E-value Reanalysis of DESI's Dynamical Dark Energy Signal","publication_year":2026,"publication_date":"2026-07-31","ids":{"openalex":"https://openalex.org/W7172345498","doi":"https://doi.org/10.48550/arxiv.2607.28918"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2607.28918","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2607.28918","pdf_url":"https://arxiv.org/pdf/2607.28918","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,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2607.28918","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5022247834","display_name":"J. Kim","orcid":"https://orcid.org/0000-0002-7869-4749","observed_orcids":["https://orcid.org/0000-0002-7869-4749","https://orcid.org/0000-0002-1456-7097"]},"institutions":[{"id":"https://openalex.org/I4210139661","display_name":"Two Sigma Investments (United States)","ror":"https://ror.org/04gjcva23","country_code":"US","type":"company","lineage":["https://openalex.org/I4210139661"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kim, Jinyoung","raw_affiliation_strings":["Stanford University","Two Sigma Investments"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Stanford University","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Two Sigma Investments","institution_ids":["https://openalex.org/I4210139661"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110932134","display_name":"David F. Mota","orcid":"https://orcid.org/0000-0003-3141-142X","observed_orcids":["https://orcid.org/0000-0003-3141-142X"]},"institutions":[{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Mota, David F.","raw_affiliation_strings":["University of Oslo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Oslo","institution_ids":["https://openalex.org/I184942183"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084157139","display_name":"Andrius Tamosiunas","orcid":"https://orcid.org/0000-0003-2907-4575","observed_orcids":["https://orcid.org/0000-0003-2907-4575"]},"institutions":[{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]},{"id":"https://openalex.org/I58956616","display_name":"Case Western Reserve University","ror":"https://ror.org/051fd9666","country_code":"US","type":"education","lineage":["https://openalex.org/I58956616"]}],"countries":["NO","US"],"is_corresponding":false,"raw_author_name":"Tamosiunas, Andrius","raw_affiliation_strings":["University of Oslo","Case Western Reserve University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Oslo","institution_ids":["https://openalex.org/I184942183"]},{"raw_affiliation_string":"Case Western Reserve University","institution_ids":["https://openalex.org/I58956616"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":2,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":0.0035000001080334187,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.0017000000225380063,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dynamic-dark-energy","display_name":"dynamical dark energy","score":0.9419999718666077},{"id":"https://openalex.org/keywords/desorption-electrospray-ionization","display_name":"DESI","score":0.7689999938011169},{"id":"https://openalex.org/keywords/e-values","display_name":"E-value","score":0.6990000009536743},{"id":"https://openalex.org/keywords/false-positive-rate-control","display_name":"false positive rate control","score":0.8379999995231628},{"id":"https://openalex.org/keywords/baryon-acoustic-oscillations","display_name":"baryon acoustic oscillations","score":0.8339999914169312},{"id":"https://openalex.org/keywords/redshift-space-distortions","display_name":"redshift-space distortions","score":0.6000000238418579},{"id":"https://openalex.org/keywords/data-reprocessing","display_name":"data reprocessing","score":0.3370000123977661}],"concepts":[{"id":"https://openalex.org/C172790937","wikidata":"https://www.wikidata.org/wiki/Q18343","display_name":"Dark energy","level":3,"score":0.7937999963760376},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6987000107765198},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.632099986076355},{"id":"https://openalex.org/C33024259","wikidata":"https://www.wikidata.org/wiki/Q76250","display_name":"Redshift","level":3,"score":0.5928000211715698},{"id":"https://openalex.org/C156273044","wikidata":"https://www.wikidata.org/wiki/Q4913766","display_name":"Bin","level":2,"score":0.5540000200271606},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5533000230789185},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5188000202178955},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4648999869823456},{"id":"https://openalex.org/C79379906","wikidata":"https://www.wikidata.org/wiki/Q3174497","display_name":"Dynamical systems theory","level":2,"score":0.38199999928474426},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.3790000081062317},{"id":"https://openalex.org/C87007009","wikidata":"https://www.wikidata.org/wiki/Q210832","display_name":"Statistical hypothesis testing","level":2,"score":0.3783000111579895},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.3650999963283539},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.3452000021934509},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.31929999589920044},{"id":"https://openalex.org/C33962884","wikidata":"https://www.wikidata.org/wiki/Q378637","display_name":"Dynamical system (definition)","level":3,"score":0.3167000114917755},{"id":"https://openalex.org/C120577422","wikidata":"https://www.wikidata.org/wiki/Q843558","display_name":"Alternative hypothesis","level":3,"score":0.295199990272522},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29319998621940613},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.2854999899864197},{"id":"https://openalex.org/C26405456","wikidata":"https://www.wikidata.org/wiki/Q338","display_name":"Cosmology","level":2,"score":0.28139999508857727},{"id":"https://openalex.org/C72838231","wikidata":"https://www.wikidata.org/wiki/Q809676","display_name":"Baryon acoustic oscillations","level":4,"score":0.27869999408721924},{"id":"https://openalex.org/C56764","wikidata":"https://www.wikidata.org/wiki/Q2998314","display_name":"Observational cosmology","level":4,"score":0.2732999920845032},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.2655999958515167},{"id":"https://openalex.org/C118534291","wikidata":"https://www.wikidata.org/wiki/Q692197","display_name":"Lambda-CDM model","level":4,"score":0.2540000081062317}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2607.28918","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2607.28918","pdf_url":"https://arxiv.org/pdf/2607.28918","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,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2607.28918","doi":"https://doi.org/10.48550/arxiv.2607.28918","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.28918","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,"listed_in":[],"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"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2607.28918","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2607.28918","pdf_url":"https://arxiv.org/pdf/2607.28918","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,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2230720350","display_name":null,"funder_award_id":"Sigma2","funder_id":"https://openalex.org/F4320323299","funder_display_name":"Norges Forskningsr\u00e5d"},{"id":"https://openalex.org/G5939349724","display_name":null,"funder_award_id":"101126636","funder_id":"https://openalex.org/F4320334322","funder_display_name":"HORIZON EUROPE Framework Programme"},{"id":"https://openalex.org/G8793339930","display_name":null,"funder_award_id":"101126636","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320322676","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68"},{"id":"https://openalex.org/F4320323299","display_name":"Norges Forskningsr\u00e5d","ror":"https://ror.org/00epmv149"},{"id":"https://openalex.org/F4320334322","display_name":"HORIZON EUROPE Framework Programme","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7172345498.pdf","grobid_xml":"https://content.openalex.org/works/W7172345498.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W226367150","https://openalex.org/W1853767801","https://openalex.org/W2060261840","https://openalex.org/W2073832139","https://openalex.org/W2117797710","https://openalex.org/W2139900404","https://openalex.org/W2145732552","https://openalex.org/W2162447676","https://openalex.org/W4402673117","https://openalex.org/W7169782710"],"related_works":["https://openalex.org/W7134048644","https://openalex.org/W7221517379","https://openalex.org/W7222927940","https://openalex.org/W6981046823","https://openalex.org/W7211893387","https://openalex.org/W7172214297","https://openalex.org/W7128924330","https://openalex.org/W7162134199","https://openalex.org/W6922468198","https://openalex.org/W4417151442"],"abstract_inverted_index":{"Cosmological":[0],"surveys":[1,275],"such":[2,51],"as":[3],"DESI":[4,107],"release":[5,11,25,59,100],"data":[6],"in":[7,83,227,289],"stages,":[8],"and":[9,15,30,75,146,169,245,270,284,291],"each":[10,58,86,196],"reprocesses":[12],"earlier":[13],"observations":[14],"supersedes":[16],"its":[17],"predecessor.":[18],"Testing":[19],"the":[20,27,32,36,73,95,154,170,188,210,215,220,228,239,250,293],"same":[21],"hypothesis":[22],"at":[23,69,98,109,182],"every":[24,99],"inflates":[26],"false-positive":[28,96],"rate,":[29],"only":[31],"collaboration":[33],"can":[34,199],"estimate":[35],"cross-release":[37,189,294],"covariance":[38],"that":[39,194,274],"an":[40,62,117,191],"exact":[41,192],"combination":[42,193,286],"needs.":[43],"We":[44,159,272],"show":[45],"how":[46],"to":[47,212,243],"combine":[48],"evidence":[49,224],"across":[50],"releases":[52],"using":[53],"public":[54],"products":[55],"alone.":[56],"From":[57],"we":[60,76,172],"compute":[61],"e-value,":[63],"a":[64,110,131,138,185,246,280,285],"non-negative":[65],"statistic":[66],"with":[67,80,279],"expectation":[68],"most":[70,234],"one":[71],"under":[72,101,126,261],"null,":[74],"average":[77,93,143],"these":[78,163],"e-values":[79,278],"weights":[81,164,171],"fixed":[82,111,139,288],"advance.":[84],"Provided":[85],"release's":[87],"own":[88],"likelihood":[89],"is":[90,148,225,267],"correct,":[91],"this":[92],"controls":[94],"rate":[97],"arbitrary":[102],"dependence":[103],"between":[104,235],"releases.":[105,236],"For":[106],"BAO":[108],"Planck":[112],"background,":[113],"DR2":[114,147,166,216,240,257],"alone":[115],"gives":[116],"e-value":[118,241],"of":[119,144,157,176,187],"$33.97$":[120],"against":[121],"$\u039b$CDM":[122],"($p":[123,150],"\\le":[124,151,180],"0.0295$)":[125],"our":[127],"reference":[128],"test":[129,282],"specification,":[130],"flat":[132],"prior":[133],"on":[134,219],"$(w_0,":[135],"w_a)$":[136],"over":[137,249],"box.":[140],"The":[141,223,265],"equal-weight":[142],"DR1":[145],"$17.51$":[149],"0.0571$),":[152],"below":[153,209],"rejection":[155],"threshold":[156,211],"$20$.":[158],"did":[160],"not":[161,259],"fix":[162,174],"before":[165],"was":[167],"published,":[168],"now":[173],"ahead":[175],"DR3":[177],"give":[178],"$p":[179],"0.0874$":[181],"DR2.":[183],"Without":[184,237],"model":[186],"covariance,":[190],"counts":[195],"observation":[197],"once":[198],"take":[200],"any":[201],"value.":[202],"Under":[203],"explicit":[204],"models":[205],"it":[206,238],"ranges":[207],"from":[208],"nearly":[213],"double":[214],"value,":[217],"depending":[218],"structure":[221],"assumed.":[222],"concentrated":[226],"LRG2":[229],"bin,":[230],"which":[231],"also":[232],"changed":[233],"falls":[242],"$0.49$,":[244],"look-elsewhere":[247],"correction":[248],"seven":[251],"redshift":[252],"bins":[253],"leaves":[254],"no":[255],"rejection.":[256],"does":[258],"reject":[260],"wider":[262],"priors":[263],"either.":[264],"signal":[266],"therefore":[268],"fragile":[269],"specification-dependent.":[271],"recommend":[273],"report":[276],"per-release":[277],"stated":[281],"specification":[283],"rule":[287],"advance,":[290],"publish":[292],"covariance.":[295]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-08-04T00:00:00"}
