{"id":"https://openalex.org/W2072992387","doi":"https://doi.org/10.1016/0168-0072(89)90030-4","title":"Some principles related to Chang's conjecture","display_name":"Some principles related to Chang's conjecture","publication_year":1989,"publication_date":"1989-11-01","ids":{"openalex":"https://openalex.org/W2072992387","doi":"https://doi.org/10.1016/0168-0072(89)90030-4","mag":"2072992387"},"language":"en","primary_location":{"id":"doi:10.1016/0168-0072(89)90030-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0168-0072(89)90030-4","pdf_url":null,"source":{"id":"https://openalex.org/S172477885","display_name":"Annals of Pure and Applied Logic","issn_l":"0168-0072","issn":["0168-0072","1873-2461"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Pure and Applied Logic","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/A5000101263","display_name":"Hans-Dieter Donder","orcid":null},"institutions":[{"id":"https://openalex.org/I75951250","display_name":"Freie Universit\u00e4t Berlin","ror":"https://ror.org/046ak2485","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hans-Dieter Donder","raw_affiliation_strings":["Institut f\u00fcr Mathematik II, Freie Universit\u00e4t Berlin, Arnimallee 3, 1000 Berlin, 33, West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Mathematik II, Freie Universit\u00e4t Berlin, Arnimallee 3, 1000 Berlin, 33, West Germany","institution_ids":["https://openalex.org/I75951250"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039492624","display_name":"Jean-Pierre Levinski","orcid":null},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jean-Pierre Levinski","raw_affiliation_strings":["Department of Mathematics, Dartmouth College, Hanover, NH 03755, USA","Department of Mathematics  Dartmouth College  Hanover  NH 03755  USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Dartmouth College, Hanover, NH 03755, USA","institution_ids":["https://openalex.org/I107672454"]},{"raw_affiliation_string":"Department of Mathematics  Dartmouth College  Hanover  NH 03755  USA","institution_ids":["https://openalex.org/I107672454"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3390,"currency":"USD","value_usd":3390},"apc_paid":null,"fwci":0.8452,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.67038414,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"45","issue":"1","first_page":"39","last_page":"101"},"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":0.9991999864578247,"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":0.9991999864578247,"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/T11567","display_name":"semigroups and automata theory","score":0.9980000257492065,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.9970999956130981,"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/negation","display_name":"Negation","score":0.8581600189208984},{"id":"https://openalex.org/keywords/conjecture","display_name":"Conjecture","score":0.8006457090377808},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7489398717880249},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.731420636177063},{"id":"https://openalex.org/keywords/transversal","display_name":"Transversal (combinatorics)","score":0.7065917253494263},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3722413182258606},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.35998332500457764},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.35254326462745667},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.16371199488639832},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.08077040314674377},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.0649125874042511}],"concepts":[{"id":"https://openalex.org/C2185349","wikidata":"https://www.wikidata.org/wiki/Q190558","display_name":"Negation","level":2,"score":0.8581600189208984},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.8006457090377808},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7489398717880249},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.731420636177063},{"id":"https://openalex.org/C2780130068","wikidata":"https://www.wikidata.org/wiki/Q2208651","display_name":"Transversal (combinatorics)","level":2,"score":0.7065917253494263},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3722413182258606},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.35998332500457764},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.35254326462745667},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.16371199488639832},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.08077040314674377},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0649125874042511}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0168-0072(89)90030-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0168-0072(89)90030-4","pdf_url":null,"source":{"id":"https://openalex.org/S172477885","display_name":"Annals of Pure and Applied Logic","issn_l":"0168-0072","issn":["0168-0072","1873-2461"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Pure and Applied Logic","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W19407531","https://openalex.org/W170265681","https://openalex.org/W2020542356","https://openalex.org/W2027753458","https://openalex.org/W2043148545","https://openalex.org/W2056715322","https://openalex.org/W2060812686","https://openalex.org/W2075810781","https://openalex.org/W2125461239","https://openalex.org/W2136273669","https://openalex.org/W2498367355","https://openalex.org/W4244046554","https://openalex.org/W6600797053","https://openalex.org/W6627197334"],"related_works":["https://openalex.org/W2271112932","https://openalex.org/W2772332644","https://openalex.org/W4251387394","https://openalex.org/W1969626693","https://openalex.org/W2059922809","https://openalex.org/W2897654805","https://openalex.org/W3144250209","https://openalex.org/W4390647510","https://openalex.org/W1850829540","https://openalex.org/W2965446765"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}