{"id":"https://openalex.org/W2007933101","doi":"https://doi.org/10.1017/s0963548311000319","title":"Daisies and Other Tur\u00e1n Problems","display_name":"Daisies and Other Tur\u00e1n Problems","publication_year":2011,"publication_date":"2011-08-18","ids":{"openalex":"https://openalex.org/W2007933101","doi":"https://doi.org/10.1017/s0963548311000319","mag":"2007933101"},"language":"en","primary_location":{"id":"doi:10.1017/s0963548311000319","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s0963548311000319","pdf_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/71AD6CFB4BCB29EC0E31D691DDD2DE21/S0963548311000319a.pdf/div-class-title-daisies-and-other-turan-problems-div.pdf","source":{"id":"https://openalex.org/S7291079","display_name":"Combinatorics Probability Computing","issn_l":"0963-5483","issn":["0963-5483","1469-2163"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorics, Probability and Computing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/71AD6CFB4BCB29EC0E31D691DDD2DE21/S0963548311000319a.pdf/div-class-title-daisies-and-other-turan-problems-div.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109915650","display_name":"B\u00e9la Bollob\u00e1s","orcid":"https://orcid.org/0000-0002-9819-7213"},"institutions":[{"id":"https://openalex.org/I94658018","display_name":"University of Memphis","ror":"https://ror.org/01cq23130","country_code":"US","type":"education","lineage":["https://openalex.org/I94658018"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B\u00c9LA BOLLOB\u00c1S","raw_affiliation_strings":["Department of Mathematical Sciences, University of Memphis, Memphis TN 38152, USA (e-mail:","Department of Pure Mathematics and Mathematical Statistics, Wilberforce Road, Cambridge CB3 0WB, UK (e-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematical Sciences, University of Memphis, Memphis TN 38152, USA (e-mail:","institution_ids":["https://openalex.org/I94658018"]},{"raw_affiliation_string":"Department of Pure Mathematics and Mathematical Statistics, Wilberforce Road, Cambridge CB3 0WB, UK (e-mail:","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050380592","display_name":"Imre Leader","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"IMRE LEADER","raw_affiliation_strings":["Department of Pure Mathematics and Mathematical Statistics, Wilberforce Road, Cambridge CB3 0WB, UK (e-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pure Mathematics and Mathematical Statistics, Wilberforce Road, Cambridge CB3 0WB, UK (e-mail:","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024657656","display_name":"Claudia Malvenuto","orcid":null},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"CLAUDIA MALVENUTO","raw_affiliation_strings":["Dipartimento di Informatica, Sapienza \u2013 Universit\u00e0 di Roma, Via Salaria 113, 00198 Roma, Italy (e-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica, Sapienza \u2013 Universit\u00e0 di Roma, Via Salaria 113, 00198 Roma, Italy (e-mail:","institution_ids":["https://openalex.org/I861853513"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.098,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.8401539,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"20","issue":"5","first_page":"743","last_page":"747"},"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":0.9995999932289124,"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":0.9995999932289124,"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/T11476","display_name":"Graph theory and applications","score":0.9954000115394592,"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"}},{"id":"https://openalex.org/T11166","display_name":"Analytic Number Theory Research","score":0.972000002861023,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/hypercube","display_name":"Hypercube","score":0.9127106070518494},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.6963982582092285},{"id":"https://openalex.org/keywords/connection","display_name":"Connection (principal bundle)","score":0.6716129779815674},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5520416498184204},{"id":"https://openalex.org/keywords/hypergraph","display_name":"Hypergraph","score":0.5493242740631104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5237859487533569},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3691629469394684},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09579795598983765},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.045429378747940063}],"concepts":[{"id":"https://openalex.org/C50820777","wikidata":"https://www.wikidata.org/wiki/Q213723","display_name":"Hypercube","level":2,"score":0.9127106070518494},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.6963982582092285},{"id":"https://openalex.org/C13355873","wikidata":"https://www.wikidata.org/wiki/Q2920850","display_name":"Connection (principal bundle)","level":2,"score":0.6716129779815674},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5520416498184204},{"id":"https://openalex.org/C2781221856","wikidata":"https://www.wikidata.org/wiki/Q840247","display_name":"Hypergraph","level":2,"score":0.5493242740631104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5237859487533569},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3691629469394684},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09579795598983765},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.045429378747940063}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1017/s0963548311000319","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s0963548311000319","pdf_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/71AD6CFB4BCB29EC0E31D691DDD2DE21/S0963548311000319a.pdf/div-class-title-daisies-and-other-turan-problems-div.pdf","source":{"id":"https://openalex.org/S7291079","display_name":"Combinatorics Probability Computing","issn_l":"0963-5483","issn":["0963-5483","1469-2163"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorics, Probability and Computing","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.768.6124","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.768.6124","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/1105.1553.pdf","raw_type":"text"},{"id":"pmh:oai:iris.uniroma1.it:11573/355717","is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/355717","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1017/s0963548311000319","is_oa":true,"landing_page_url":"https://doi.org/10.1017/s0963548311000319","pdf_url":"https://www.cambridge.org/core/services/aop-cambridge-core/content/view/71AD6CFB4BCB29EC0E31D691DDD2DE21/S0963548311000319a.pdf/div-class-title-daisies-and-other-turan-problems-div.pdf","source":{"id":"https://openalex.org/S7291079","display_name":"Combinatorics Probability Computing","issn_l":"0963-5483","issn":["0963-5483","1469-2163"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorics, Probability and Computing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3671960635","display_name":null,"funder_award_id":"W911NF- 06-1-0076","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G5480530758","display_name":"NeTS-NOSS: Collaborative Research: Doing More with Less: Tracking Movements Using a Sparse Sensor Network","funder_award_id":"0721983","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6921883155","display_name":"Extremal and Probabilistic Graph Theory:  Spectra, Subgraph Counts, and Graph Sequences","funder_award_id":"0906634","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7452299184","display_name":null,"funder_award_id":"W911NF","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G8352698300","display_name":"Foundations of Coverage and Connectivity for Wireless Sensor Networks Deployed in Thin Strips","funder_award_id":"0728928","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/F4320338281","display_name":"Army Research Office","ror":"https://ror.org/05epdh915"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2007933101.pdf","grobid_xml":"https://content.openalex.org/works/W2007933101.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W1977647916","https://openalex.org/W1998015472","https://openalex.org/W2004751842","https://openalex.org/W2013493321","https://openalex.org/W2025190541","https://openalex.org/W2086039438","https://openalex.org/W2110354774","https://openalex.org/W2125510310","https://openalex.org/W2498848698"],"related_works":["https://openalex.org/W4376608589","https://openalex.org/W3138003926","https://openalex.org/W4300037846","https://openalex.org/W1630514295","https://openalex.org/W3094179932","https://openalex.org/W3005801850","https://openalex.org/W2950595062","https://openalex.org/W2013252038","https://openalex.org/W2386598361","https://openalex.org/W2078375028"],"abstract_inverted_index":{"Our":[0],"aim":[1],"in":[2,34,42,69],"this":[3],"note":[4],"is":[5,19],"to":[6,27,30,62],"make":[7],"some":[8,31,54],"conjectures":[9],"about":[10],"extremal":[11],"densities":[12],"of":[13],"daisy-free":[14],"families,":[15],"where":[16],"a":[17,20],"\u2018daisy\u2019":[18],"certain":[21],"hypergraph.":[22],"These":[23],"questions":[24],"turn":[25],"out":[26],"be":[28],"related":[29,55],"Tur\u00e1n":[32],"problems":[33,68],"the":[35,50,64,70],"hypercube,":[36],"but":[37],"they":[38],"are":[39],"also":[40],"natural":[41],"their":[43],"own":[44],"right.":[45],"We":[46],"start":[47],"by":[48],"giving":[49],"daisy":[51],"conjectures,":[52],"and":[53,57],"problems,":[56],"shall":[58],"then":[59],"go":[60],"on":[61],"describe":[63],"connection":[65],"with":[66],"vertex-Tur\u00e1n":[67],"hypercube.":[71]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-08-06T08:24:18.245995","created_date":"2025-10-10T00:00:00"}