{"id":"https://openalex.org/W2051632653","doi":"https://doi.org/10.1007/pl00009819","title":"On Large Systems of Sets with No Large Weak \u0394-subsystems","display_name":"On Large Systems of Sets with No Large Weak \u0394-subsystems","publication_year":1998,"publication_date":"1998-02-01","ids":{"openalex":"https://openalex.org/W2051632653","doi":"https://doi.org/10.1007/pl00009819","mag":"2051632653"},"language":"en","primary_location":{"id":"doi:10.1007/pl00009819","is_oa":false,"landing_page_url":"https://doi.org/10.1007/pl00009819","pdf_url":null,"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":null,"license_id":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080894223","display_name":"Alexandr Kostochka","orcid":"https://orcid.org/0000-0002-6363-3804"},"institutions":[{"id":"https://openalex.org/I4210105280","display_name":"Institute of Mathematics","ror":"https://ror.org/00vsg3p53","country_code":"BY","type":"facility","lineage":["https://openalex.org/I151823869","https://openalex.org/I4210105280","https://openalex.org/I4210116091"]},{"id":"https://openalex.org/I4210127387","display_name":"Siberian Branch of the Russian Academy of Sciences","ror":"https://ror.org/02frkq021","country_code":"RU","type":"funder","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210127387"]},{"id":"https://openalex.org/I4210145588","display_name":"Institute of Economics and Industrial Engineering","ror":"https://ror.org/04faa0n67","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210127387","https://openalex.org/I4210145588"]}],"countries":["BY","RU"],"is_corresponding":false,"raw_author_name":"A. V. Kostochka","raw_affiliation_strings":["Institute of Mathematics, Siberian Branch of the RAS; Novosibirsk-90, 630090, Russia;","Institute of Mathematics, Siberian Branch of the RAS","Novosibirsk-90, 630090, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Mathematics, Siberian Branch of the RAS; Novosibirsk-90, 630090, Russia;","institution_ids":["https://openalex.org/I4210127387","https://openalex.org/I4210145588"]},{"raw_affiliation_string":"Institute of Mathematics, Siberian Branch of the RAS","institution_ids":["https://openalex.org/I4210105280"]},{"raw_affiliation_string":"Novosibirsk-90, 630090, Russia","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109115706","display_name":"V. R\u00f6dl","orcid":null},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]},{"id":"https://openalex.org/I4210127358","display_name":"AID Atlanta","ror":"https://ror.org/02b2x6q12","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210127358"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"V. R\u00f6dl","raw_affiliation_strings":["Dept of Mathematics and Computer Science, Emory University; Atlanta GA 30322, USA;","Atlanta GA 30322, USA","Dept of Mathematics and Computer Science, Emory University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept of Mathematics and Computer Science, Emory University; Atlanta GA 30322, USA;","institution_ids":["https://openalex.org/I150468666"]},{"raw_affiliation_string":"Atlanta GA 30322, USA","institution_ids":["https://openalex.org/I4210127358"]},{"raw_affiliation_string":"Dept of Mathematics and Computer Science, Emory University","institution_ids":["https://openalex.org/I150468666"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3143,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.75788644,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"18","issue":"2","first_page":"235","last_page":"240"},"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":0.9998000264167786,"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":0.9998000264167786,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.9994000196456909,"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/T10588","display_name":"Mathematical Dynamics and Fractals","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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":0.8759130239486694},{"id":"https://openalex.org/keywords/cardinality","display_name":"Cardinality (data modeling)","score":0.84267258644104},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.7644394040107727},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6374895572662354},{"id":"https://openalex.org/keywords/cardinal-number","display_name":"Cardinal number (linguistics)","score":0.5006940364837646},{"id":"https://openalex.org/keywords/existential-quantification","display_name":"Existential quantification","score":0.4581981301307678},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.43717339634895325},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.0636831521987915},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.0578312873840332}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8759130239486694},{"id":"https://openalex.org/C87117476","wikidata":"https://www.wikidata.org/wiki/Q362383","display_name":"Cardinality (data modeling)","level":2,"score":0.84267258644104},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.7644394040107727},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6374895572662354},{"id":"https://openalex.org/C2778408900","wikidata":"https://www.wikidata.org/wiki/Q1329258","display_name":"Cardinal number (linguistics)","level":2,"score":0.5006940364837646},{"id":"https://openalex.org/C136979486","wikidata":"https://www.wikidata.org/wiki/Q773483","display_name":"Existential quantification","level":2,"score":0.4581981301307678},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.43717339634895325},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0636831521987915},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.0578312873840332},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/pl00009819","is_oa":false,"landing_page_url":"https://doi.org/10.1007/pl00009819","pdf_url":null,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"COMBINATORICA","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.300.628","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.300.628","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.math.uiuc.edu/~kostochk/docs/2000/comb1998Rodl.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.5,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2013188591","https://openalex.org/W2016341899","https://openalex.org/W2018421682","https://openalex.org/W2036715313","https://openalex.org/W2068871408","https://openalex.org/W2129834404"],"related_works":["https://openalex.org/W4321499188","https://openalex.org/W2331093826","https://openalex.org/W2168299207","https://openalex.org/W1973109584","https://openalex.org/W2941284322","https://openalex.org/W1614603007","https://openalex.org/W1850907888","https://openalex.org/W2256580242","https://openalex.org/W2962678636","https://openalex.org/W24519920"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}
