{"id":"https://openalex.org/W4409697622","doi":"https://doi.org/10.1007/s00493-025-00152-4","title":"Tur\u00e1n Problems for Expanded Hypergraphs","display_name":"Tur\u00e1n Problems for Expanded Hypergraphs","publication_year":2025,"publication_date":"2025-04-23","ids":{"openalex":"https://openalex.org/W4409697622","doi":"https://doi.org/10.1007/s00493-025-00152-4"},"language":"en","primary_location":{"id":"doi:10.1007/s00493-025-00152-4","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00493-025-00152-4","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00493-025-00152-4.pdf","source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s00493-025-00152-4.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5023231478","display_name":"Peter Keevash","orcid":"https://orcid.org/0000-0002-4605-5045"},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Peter Keevash","raw_affiliation_strings":["Mathematical Institute, University of Oxford, Oxford, UK"],"affiliations":[{"raw_affiliation_string":"Mathematical Institute, University of Oxford, Oxford, UK","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057132230","display_name":"Noam Lifshitz","orcid":"https://orcid.org/0000-0003-0437-6040"},"institutions":[{"id":"https://openalex.org/I197251160","display_name":"Hebrew University of Jerusalem","ror":"https://ror.org/03qxff017","country_code":"IL","type":"education","lineage":["https://openalex.org/I197251160"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Noam Lifshitz","raw_affiliation_strings":["Einstein Institute for Mathematics, Hebrew University of Jerusalem, Jerusalem, Israel"],"affiliations":[{"raw_affiliation_string":"Einstein Institute for Mathematics, Hebrew University of Jerusalem, Jerusalem, Israel","institution_ids":["https://openalex.org/I197251160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028701657","display_name":"Eoin Long","orcid":"https://orcid.org/0000-0002-0458-6825"},"institutions":[{"id":"https://openalex.org/I79619799","display_name":"University of Birmingham","ror":"https://ror.org/03angcq70","country_code":"GB","type":"education","lineage":["https://openalex.org/I79619799"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Eoin Long","raw_affiliation_strings":["University of Birmingham, Birmingham, UK"],"affiliations":[{"raw_affiliation_string":"University of Birmingham, Birmingham, UK","institution_ids":["https://openalex.org/I79619799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063520549","display_name":"Dor Minzer","orcid":"https://orcid.org/0000-0002-8093-1328"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dor Minzer","raw_affiliation_strings":["Department of Mathematics, Massachusetts Institute of Technology, Cambridge, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Massachusetts Institute of Technology, Cambridge, USA","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5023231478"],"corresponding_institution_ids":["https://openalex.org/I40120149"],"apc_list":null,"apc_paid":null,"fwci":5.1022,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.91146245,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"45","issue":"3","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11476","display_name":"Graph theory and applications","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8670300841331482},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7634143829345703},{"id":"https://openalex.org/keywords/hypergraph","display_name":"Hypergraph","score":0.47486400604248047},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.33371248841285706}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8670300841331482},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7634143829345703},{"id":"https://openalex.org/C2781221856","wikidata":"https://www.wikidata.org/wiki/Q840247","display_name":"Hypergraph","level":2,"score":0.47486400604248047},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.33371248841285706}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1007/s00493-025-00152-4","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00493-025-00152-4","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00493-025-00152-4.pdf","source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","raw_type":"journal-article"},{"id":"pmh:oai:dspace.mit.edu:1721.1/162259","is_oa":true,"landing_page_url":"https://hdl.handle.net/1721.1/162259","pdf_url":null,"source":{"id":"https://openalex.org/S4306400425","display_name":"DSpace@MIT (Massachusetts Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63966007","host_organization_name":"Massachusetts Institute of Technology","host_organization_lineage":["https://openalex.org/I63966007"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Springer Berlin Heidelberg","raw_type":"http://purl.org/eprint/type/JournalArticle"},{"id":"pmh:oai:ora.ox.ac.uk:uuid:3234b329-a2a4-45e2-b9a0-8a8c8604a24b","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306402636","display_name":"Oxford University Research Archive (ORA) (University of Oxford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40120149","host_organization_name":"University of Oxford","host_organization_lineage":["https://openalex.org/I40120149"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Jisc Publications Router","raw_type":"http://purl.org/coar/resource_type/c_dcae04bc"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/7ae34174-1c1a-45b5-97e8-68a3bfeb5926","is_oa":true,"landing_page_url":"https://research.birmingham.ac.uk/en/publications/7ae34174-1c1a-45b5-97e8-68a3bfeb5926","pdf_url":null,"source":{"id":"https://openalex.org/S4306402634","display_name":"University of Birmingham Research Portal (University of Birmingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79619799","host_organization_name":"University of Birmingham","host_organization_lineage":["https://openalex.org/I79619799"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Keevash, P, Lifshitz, N, Long, E & Minzer, D 2025, 'Tur\u00e1n Problems for Expanded Hypergraphs', Combinatorica, vol. 45, no. 3, 27. https://doi.org/10.1007/s00493-025-00152-4","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1007/s00493-025-00152-4","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00493-025-00152-4","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00493-025-00152-4.pdf","source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3330119427","display_name":null,"funder_award_id":"EPSRC","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G848032724","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320309369","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4409697622.pdf","grobid_xml":"https://content.openalex.org/works/W4409697622.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W7943539","https://openalex.org/W1534511119","https://openalex.org/W1569752386","https://openalex.org/W1648902078","https://openalex.org/W1964094911","https://openalex.org/W1970083501","https://openalex.org/W1986296546","https://openalex.org/W1989742888","https://openalex.org/W1996106086","https://openalex.org/W2019935404","https://openalex.org/W2031135338","https://openalex.org/W2045485109","https://openalex.org/W2055446353","https://openalex.org/W2059283278","https://openalex.org/W2083155064","https://openalex.org/W2095093161","https://openalex.org/W2100896331","https://openalex.org/W2114506516","https://openalex.org/W2143698439","https://openalex.org/W2154774722","https://openalex.org/W2171277697","https://openalex.org/W2478722229","https://openalex.org/W2510521098","https://openalex.org/W2912057363","https://openalex.org/W2950932629","https://openalex.org/W2962814541","https://openalex.org/W2963536098","https://openalex.org/W2971288273","https://openalex.org/W2972677125","https://openalex.org/W3083517466","https://openalex.org/W3136243343","https://openalex.org/W3201180760","https://openalex.org/W4240416043","https://openalex.org/W4293004844","https://openalex.org/W4312053972"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W4376608589","https://openalex.org/W1537073411","https://openalex.org/W1948107826","https://openalex.org/W3138003926","https://openalex.org/W1630514295","https://openalex.org/W4300037846","https://openalex.org/W3094179932","https://openalex.org/W3005801850","https://openalex.org/W2950595062"],"abstract_inverted_index":{"Abstract":[0],"We":[1,103],"obtain":[2,83],"new":[3,108],"results":[4,81],"on":[5,93,100],"the":[6,17,36,39,60,65,90,97,111,151],"Tur\u00e1n":[7,66],"number":[8,40,46],"of":[9,19,22,41,47,72,89,113,118,150],"any":[10],"bounded":[11,23],"degree":[12],"uniform":[13],"hypergraph":[14,21],"obtained":[15],"as":[16,124],"expansion":[18],"a":[20,45,70,125,132,147,158],"uniformity.":[24],"These":[25],"are":[26],"asymptotically":[27,63],"sharp":[28],"over":[29],"an":[30],"essentially":[31],"optimal":[32],"regime":[33],"for":[34,110,163],"both":[35],"uniformity":[37],"and":[38,43,74,96,160],"edges":[42],"solve":[44],"open":[48],"problems":[49],"in":[50,131,143,166],"Extremal":[51],"Combinatorics.":[52],"Firstly,":[53],"we":[54,77,155],"give":[55],"general":[56,161],"conditions":[57],"under":[58,168],"which":[59,154],"crosscut":[61],"parameter":[62],"determines":[64],"number,":[67],"thus":[68],"answering":[69],"question":[71],"Mubayi":[73],"Verstra\u00ebte.":[75],"Secondly,":[76],"refine":[78],"our":[79],"asymptotic":[80],"to":[82],"several":[84,136],"exact":[85],"results,":[86],"including":[87],"proofs":[88,112],"Huang\u2013Loh\u2013Sudakov":[91],"conjecture":[92,99],"cross":[94],"matchings":[95,165],"F\u00fcredi\u2013Jiang\u2013Seiver":[98],"path":[101],"expansions.":[102],"have":[104],"introduced":[105],"two":[106],"major":[107],"tools":[109],"these":[114],"results.":[115],"The":[116,139],"first":[117],"these,":[119],"Global":[120],"Hypercontractivity,":[121],"is":[122,146],"used":[123],"\u2018black":[126],"box\u2019":[127],"(we":[128],"present":[129],"it":[130],"separate":[133],"paper":[134],"with":[135],"other":[137],"applications).":[138],"second":[140],"tool,":[141],"presented":[142],"this":[144],"paper,":[145],"far-reaching":[148],"extension":[149],"Junta":[152],"Method,":[153],"develop":[156],"from":[157],"powerful":[159],"technique":[162],"finding":[164],"hypergraphs":[167],"certain":[169],"pseudorandomness":[170],"conditions.":[171]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}