{"id":"https://openalex.org/W7225263785","doi":"https://doi.org/10.48550/arxiv.2611.04419","title":"Stress-Testing Small-Scale Cosmological Inference With Empirical Galaxy--Halo Connection Models","display_name":"Stress-Testing Small-Scale Cosmological Inference With Empirical Galaxy--Halo Connection Models","publication_year":2026,"publication_date":"2026-11-03","ids":{"openalex":"https://openalex.org/W7225263785","doi":"https://doi.org/10.48550/arxiv.2611.04419"},"language":"en","primary_location":{"id":"doi:10.48550/arxiv.2611.04419","doi":"https://doi.org/10.48550/arxiv.2611.04419","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2611.04419","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":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"volume":null,"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2611.04419","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160631601","display_name":"Hanyue Wang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Hanyue","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027030629","display_name":"Kate Storey-Fisher","orcid":"https://orcid.org/0000-0001-8764-7103","observed_orcids":["https://orcid.org/0000-0001-8764-7103"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Storey-Fisher, Kate","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102810801","display_name":"Philip Mansfield","orcid":"https://orcid.org/0000-0001-9863-5394","observed_orcids":["https://orcid.org/0000-0001-9863-5394"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mansfield, Philip","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033558209","display_name":"Andrew P. Hearin","orcid":"https://orcid.org/0000-0003-2219-6852","observed_orcids":["https://orcid.org/0000-0003-2219-6852"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hearin, Andrew","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140103166","display_name":"Marcelo A. Alvarez","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alvarez, Marcelo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088849927","display_name":"Suchetha Cooray","orcid":"https://orcid.org/0000-0002-9217-1696","observed_orcids":["https://orcid.org/0000-0002-9217-1696"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cooray, Suchetha","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5085208759","display_name":"Risa H. Wechsler","orcid":"https://orcid.org/0000-0003-2229-011X","observed_orcids":["https://orcid.org/0000-0003-2229-011X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wechsler, Risa H.","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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.7470999956130981,"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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.7470999956130981,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.23659999668598175,"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":0.001500000013038516,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/galaxy-halo-connection","display_name":"galaxy-halo connection","score":0.949999988079071},{"id":"https://openalex.org/keywords/subhalo-abundance-matching","display_name":"subhalo abundance matching","score":0.9290000200271606},{"id":"https://openalex.org/keywords/halo-occupation-distribution","display_name":"halo occupation distribution","score":0.9980000257492065},{"id":"https://openalex.org/keywords/cosmological-constraints","display_name":"cosmological constraints","score":0.6890000104904175},{"id":"https://openalex.org/keywords/model-misspecification","display_name":"model misspecification","score":0.7720000147819519},{"id":"https://openalex.org/keywords/assembly-bias","display_name":"assembly bias","score":0.8939999938011169},{"id":"https://openalex.org/keywords/mock-galaxy-catalogs","display_name":"mock galaxy catalogues","score":0.6119999885559082}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.661300003528595},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5580000281333923},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5199000239372253},{"id":"https://openalex.org/C26405456","wikidata":"https://www.wikidata.org/wiki/Q338","display_name":"Cosmology","level":2,"score":0.5153999924659729},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.43549999594688416},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.38179999589920044},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.3718000054359436},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.37119999527931213},{"id":"https://openalex.org/C184665706","wikidata":"https://www.wikidata.org/wiki/Q186310","display_name":"Halo","level":3,"score":0.3467999994754791},{"id":"https://openalex.org/C24574437","wikidata":"https://www.wikidata.org/wiki/Q7135228","display_name":"Parametric model","level":3,"score":0.34439998865127563},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.329800009727478},{"id":"https://openalex.org/C2992891135","wikidata":"https://www.wikidata.org/wiki/Q18346","display_name":"Cosmological model","level":3,"score":0.31940001249313354},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3003000020980835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29899999499320984},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.298799991607666},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.29820001125335693},{"id":"https://openalex.org/C99679407","wikidata":"https://www.wikidata.org/wiki/Q56761637","display_name":"Substructure","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C93959086","wikidata":"https://www.wikidata.org/wiki/Q6888345","display_name":"Model selection","level":2,"score":0.2797999978065491},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.2793999910354614},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.2791999876499176},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.27230000495910645},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.2721000015735626},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.2644999921321869},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.26429998874664307},{"id":"https://openalex.org/C111350023","wikidata":"https://www.wikidata.org/wiki/Q1191869","display_name":"Markov chain Monte Carlo","level":3,"score":0.2572000026702881}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2611.04419","doi":"https://doi.org/10.48550/arxiv.2611.04419","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2611.04419","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":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2611.04419","doi":"https://doi.org/10.48550/arxiv.2611.04419","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2611.04419","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":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3048851876","https://openalex.org/W7164417921","https://openalex.org/W3206119019","https://openalex.org/W2219039838","https://openalex.org/W7166699728","https://openalex.org/W7111673934","https://openalex.org/W4401989530","https://openalex.org/W1994464173","https://openalex.org/W2616323325","https://openalex.org/W4406319205"],"abstract_inverted_index":{"Small-scale":[0],"galaxy":[1,44,79],"clustering":[2,45,74],"contains":[3],"substantial":[4],"cosmological":[5,92,157,201,247],"information,":[6],"but":[7],"extracting":[8],"it":[9],"reliably":[10],"requires":[11],"robust":[12,246],"modeling":[13,94],"of":[14,27,49,75,110,113,131,140,189,237],"the":[15,35,50,72,83,97,106,111,165,182,199,216,228,235],"galaxy--halo":[16],"connection.":[17],"In":[18,142],"this":[19],"work,":[20],"we":[21,64],"compare":[22],"two":[23],"widely":[24],"adopted":[25,192],"families":[26],"empirical":[28],"models,":[29,145],"subhalo":[30],"abundance":[31],"matching":[32],"(SHAM)":[33],"and":[34,46,68,154,173,186,197,218],"halo":[36],"occupation":[37],"distribution":[38],"(HOD),":[39],"testing":[40],"their":[41,47],"predictions":[42],"for":[43,149],"recovery":[48],"input":[51],"cosmology.":[52],"Using":[53],"Aemulus-$\u03b2$,":[54],"a":[55,76,137],"new":[56],"multi-cosmology":[57],"simulation":[58],"suite":[59],"with":[60,82,126],"substructure":[61],"merger":[62],"trees,":[63],"fit":[65,217],"multiple":[66],"SHAM":[67,107,221],"HOD":[69,144,193,230],"models":[70,194],"to":[71,95,119,162,171,244],"small-scale":[73],"stellar-mass-selected":[77],"mock":[78],"catalog":[80],"generated":[81],"more":[84,225],"physical":[85],"semi-empirical":[86],"model":[87,187],"UniverseMachine.":[88],"We":[89,203],"then":[90],"use":[91],"evidence":[93],"infer":[96],"structure":[98],"growth":[99],"parameter":[100],"$S_8$.":[101],"Our":[102],"results":[103,233],"show":[104],"that":[105,135,159,181,220],"model,":[108],"regardless":[109],"treatment":[112],"numerically":[114],"disrupted":[115],"subhalos,":[116],"is":[117],"able":[118],"offer":[120],"tight,":[121],"unbiased":[122],"constraints":[123,158],"on":[124,249],"$S_8$":[125,167],"~2-3%":[127],"precision,":[128],"using":[129],"simulations":[130,243],"relatively":[132],"small":[133,250],"volumes":[134],"span":[136],"limited":[138],"number":[139],"cosmologies.":[141],"contrast,":[143],"even":[146],"when":[147],"accounting":[148],"assembly":[150],"bias,":[151],"yield":[152],"weaker":[153],"potentially":[155],"biased":[156],"are":[160],"sensitive":[161],"implementation":[163],"choices:":[164],"inferred":[166],"degrades":[168],"in":[169,209,215],"precision":[170],"~6-11%":[172],"can":[174,195],"be":[175],"offset":[176],"by":[177],"~1$\u03c3$.":[178],"This":[179],"suggests":[180],"excessive":[183],"parametric":[184],"flexibility":[185],"misspecification":[188],"most":[190],"commonly":[191],"degrade":[196],"bias":[198],"resulting":[200],"constraints.":[202],"further":[204],"evaluate":[205],"each":[206],"model's":[207],"performance":[208],"predicting":[210],"higher-order":[211],"statistics":[212],"not":[213],"used":[214],"find":[219],"generally":[222],"reproduces":[223],"them":[224],"accurately":[226],"than":[227],"tested":[229],"models.":[231],"These":[232],"highlight":[234],"potential":[236],"leveraging":[238],"predictive":[239],"subhalo-level":[240],"information":[241],"from":[242],"enable":[245],"inference":[248],"scales.":[251]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-11-05T00:00:00"}
