{"id":"https://openalex.org/W2108833850","doi":"https://doi.org/10.1016/s0195-6698(85)80017-2","title":"On Generalized Hexagons and a Near Octagon whose Lines have Three Points","display_name":"On Generalized Hexagons and a Near Octagon whose Lines have Three Points","publication_year":1985,"publication_date":"1985-03-01","ids":{"openalex":"https://openalex.org/W2108833850","doi":"https://doi.org/10.1016/s0195-6698(85)80017-2","mag":"2108833850"},"language":"en","primary_location":{"id":"doi:10.1016/s0195-6698(85)80017-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0195-6698(85)80017-2","pdf_url":null,"source":{"id":"https://openalex.org/S204851967","display_name":"European Journal of Combinatorics","issn_l":"0195-6698","issn":["0195-6698","1095-9971"],"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":"European Journal of Combinatorics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ir.cwi.nl/pub/1827/1827D.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028828265","display_name":"Arjeh M. Cohen","orcid":"https://orcid.org/0000-0002-9986-4292"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"A.M. Cohen","raw_affiliation_strings":["Mathematisch Centrum, Kruislaan 413, 1098 SJ Amsterdam, The Netherlands"],"affiliations":[{"raw_affiliation_string":"Mathematisch Centrum, Kruislaan 413, 1098 SJ Amsterdam, The Netherlands","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013098398","display_name":"Jacques Tits","orcid":null},"institutions":[{"id":"https://openalex.org/I187986737","display_name":"Coll\u00e8ge de France","ror":"https://ror.org/04ex24z53","country_code":"FR","type":"education","lineage":["https://openalex.org/I187986737"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"J. Tits","raw_affiliation_strings":["Coll\u00e8ge de France, 11, pl. Marcelin-Berthelot, 75231 Paris C\u00e9dex 05, France"],"affiliations":[{"raw_affiliation_string":"Coll\u00e8ge de France, 11, pl. Marcelin-Berthelot, 75231 Paris C\u00e9dex 05, France","institution_ids":["https://openalex.org/I187986737"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5028828265"],"corresponding_institution_ids":[],"apc_list":{"value":2880,"currency":"USD","value_usd":2880},"apc_paid":null,"fwci":0.8229,"has_fulltext":true,"cited_by_count":82,"citation_normalized_percentile":{"value":0.70303867,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"6","issue":"1","first_page":"13","last_page":"27"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10849","display_name":"Finite Group Theory Research","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/T10849","display_name":"Finite Group Theory Research","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/T11797","display_name":"graph theory and CDMA systems","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9735000133514404,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8995691537857056},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7451841831207275},{"id":"https://openalex.org/keywords/mathematical-proof","display_name":"Mathematical proof","score":0.5363416075706482},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.5336229205131531},{"id":"https://openalex.org/keywords/group","display_name":"Group (periodic table)","score":0.4928171932697296},{"id":"https://openalex.org/keywords/symmetric-group","display_name":"Symmetric group","score":0.46470633149147034},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4640236496925354},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.18372130393981934},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06282538175582886}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8995691537857056},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7451841831207275},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.5363416075706482},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.5336229205131531},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.4928171932697296},{"id":"https://openalex.org/C128622974","wikidata":"https://www.wikidata.org/wiki/Q849512","display_name":"Symmetric group","level":2,"score":0.46470633149147034},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4640236496925354},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.18372130393981934},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06282538175582886},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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":7,"locations":[{"id":"doi:10.1016/s0195-6698(85)80017-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0195-6698(85)80017-2","pdf_url":null,"source":{"id":"https://openalex.org/S204851967","display_name":"European Journal of Combinatorics","issn_l":"0195-6698","issn":["0195-6698","1095-9971"],"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":"European Journal of Combinatorics","raw_type":"journal-article"},{"id":"pmh:oai:cwi.nl:1827","is_oa":true,"landing_page_url":"https://ir.cwi.nl/pub/1827","pdf_url":"https://ir.cwi.nl/pub/1827/1827D.pdf","source":{"id":"https://openalex.org/S7407055335","display_name":"Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands","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":"European Journal of Combinatorics vol. 6 no. 1, pp. 13-27","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:pure.tue.nl:publications/1649ce73-b127-4d74-b0fe-eb0f4b3e6ec7","is_oa":true,"landing_page_url":"https://research.tue.nl/en/publications/1649ce73-b127-4d74-b0fe-eb0f4b3e6ec7","pdf_url":"https://pure.tue.nl/ws/files/1923001/588255.pdf","source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Cohen, A M & Tits, J 1985, 'On generalized hexagons and a near octagon whose lines have three points', European Journal of Combinatorics, vol. 6, pp. 13-27.","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:tue:oai:pure.tue.nl:publications/1649ce73-b127-4d74-b0fe-eb0f4b3e6ec7","is_oa":true,"landing_page_url":"https://research.tue.nl/nl/publications/1649ce73-b127-4d74-b0fe-eb0f4b3e6ec7","pdf_url":"https://research.tue.nl/nl/publications/1649ce73-b127-4d74-b0fe-eb0f4b3e6ec7","source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"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":"European Journal of Combinatorics, 6, 13 - 27. Academic Press Inc.","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:588255","is_oa":false,"landing_page_url":"http://library.tue.nl/csp/dare/LinkToRepository.csp?recordnumber=588255","pdf_url":null,"source":{"id":"https://openalex.org/S4406923046","display_name":"TU/e Research Portal (Eindhoven University of Technology)","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":"ISSN:0195-6698","raw_type":"Article / Letter to the editor"},{"id":"pmh:oai:dipot.ulb.ac.be:2013/173819","is_oa":false,"landing_page_url":"http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/173819","pdf_url":null,"source":{"id":"https://openalex.org/S4306401063","display_name":"D\u00e9p\u00f4t institutionnel de l'Universit\u00e9 libre de Bruxelles (Universit\u00e9 Libre de Bruxelles)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I132053463","host_organization_name":"Universit\u00e9 Libre de Bruxelles","host_organization_lineage":["https://openalex.org/I132053463"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"European journal of combinatorics, 6 (1","raw_type":"info:ulb-repo/semantics/openurl/article"},{"id":"pmh:oai:library.tue.nl:588255","is_oa":false,"landing_page_url":"http://repository.tue.nl/588255","pdf_url":null,"source":{"id":"https://openalex.org/S4406923046","display_name":"TU/e Research Portal (Eindhoven University of Technology)","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":"ISSN:0195-6698","raw_type":"Article / Letter to the editor"}],"best_oa_location":{"id":"pmh:oai:cwi.nl:1827","is_oa":true,"landing_page_url":"https://ir.cwi.nl/pub/1827","pdf_url":"https://ir.cwi.nl/pub/1827/1827D.pdf","source":{"id":"https://openalex.org/S7407055335","display_name":"Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands","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":"European Journal of Combinatorics vol. 6 no. 1, pp. 13-27","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2108833850.pdf","grobid_xml":"https://content.openalex.org/works/W2108833850.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W1507799342","https://openalex.org/W1515707356","https://openalex.org/W1761174751","https://openalex.org/W1983900034","https://openalex.org/W1999534475","https://openalex.org/W2003939002","https://openalex.org/W2044436118","https://openalex.org/W2063445159","https://openalex.org/W6630471395","https://openalex.org/W6638009448"],"related_works":["https://openalex.org/W2808944898","https://openalex.org/W3196207352","https://openalex.org/W2951724202","https://openalex.org/W3084261076","https://openalex.org/W1996614773","https://openalex.org/W2576399385","https://openalex.org/W2963408011","https://openalex.org/W4236324517","https://openalex.org/W2184046398","https://openalex.org/W2170471563"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":5}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
