{"id":"https://openalex.org/W2171798635","doi":"https://doi.org/10.1007/s10623-011-9513-1","title":"On the chromatic number of q-Kneser graphs","display_name":"On the chromatic number of q-Kneser graphs","publication_year":2011,"publication_date":"2011-05-09","ids":{"openalex":"https://openalex.org/W2171798635","doi":"https://doi.org/10.1007/s10623-011-9513-1","mag":"2171798635"},"language":"en","primary_location":{"id":"doi:10.1007/s10623-011-9513-1","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10623-011-9513-1","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10623-011-9513-1.pdf","source":{"id":"https://openalex.org/S81616010","display_name":"Designs Codes and Cryptography","issn_l":"0925-1022","issn":["0925-1022","1573-7586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Designs, Codes and Cryptography","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/s10623-011-9513-1.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109082366","display_name":"A. Blokhuis","orcid":null},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"A. Blokhuis","raw_affiliation_strings":["Dept. of Mathematics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands"],"affiliations":[{"raw_affiliation_string":"Dept. of Mathematics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands","institution_ids":["https://openalex.org/I83019370"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110108695","display_name":"A.E. Brouwer","orcid":null},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"A. E. Brouwer","raw_affiliation_strings":["Dept. of Mathematics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands"],"affiliations":[{"raw_affiliation_string":"Dept. of Mathematics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands","institution_ids":["https://openalex.org/I83019370"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071330071","display_name":"Tam\u00e1s Sz\u0151nyi","orcid":null},"institutions":[{"id":"https://openalex.org/I106118109","display_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","ror":"https://ror.org/01jsq2704","country_code":"HU","type":"education","lineage":["https://openalex.org/I106118109"]},{"id":"https://openalex.org/I7597260","display_name":"Hungarian Academy of Sciences","ror":"https://ror.org/02ks8qq67","country_code":"HU","type":"funder","lineage":["https://openalex.org/I7597260"]}],"countries":["HU"],"is_corresponding":false,"raw_author_name":"T. Sz\u0151nyi","raw_affiliation_strings":["Computer and Automation Research Institute, Hungarian Academy of Sciences, L\u00e1gym\u00e1nyosi\u00fa. 11, Budapest, 1111, Hungary","Institute of Mathematics, E\u00f6tv\u00f6s Lor\u00e1nd University, P\u00e1zm\u00e1ny P. s. 1/C, Budapest, 1117, Hungary"],"affiliations":[{"raw_affiliation_string":"Computer and Automation Research Institute, Hungarian Academy of Sciences, L\u00e1gym\u00e1nyosi\u00fa. 11, Budapest, 1111, Hungary","institution_ids":["https://openalex.org/I7597260"]},{"raw_affiliation_string":"Institute of Mathematics, E\u00f6tv\u00f6s Lor\u00e1nd University, P\u00e1zm\u00e1ny P. s. 1/C, Budapest, 1117, Hungary","institution_ids":["https://openalex.org/I106118109"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5109082366"],"corresponding_institution_ids":["https://openalex.org/I83019370"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":{"value":2290,"currency":"EUR","value_usd":2890},"fwci":3.1364,"has_fulltext":true,"cited_by_count":30,"citation_normalized_percentile":{"value":0.91583541,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"65","issue":"3","first_page":"187","last_page":"197"},"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/T10849","display_name":"Finite Group Theory Research","score":0.9983000159263611,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7623646259307861},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7171828746795654},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.6395076513290405},{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.6295371055603027},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.6079829931259155},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4613296091556549},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09715265035629272}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7623646259307861},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7171828746795654},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.6395076513290405},{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.6295371055603027},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.6079829931259155},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4613296091556549},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09715265035629272}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.1007/s10623-011-9513-1","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10623-011-9513-1","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10623-011-9513-1.pdf","source":{"id":"https://openalex.org/S81616010","display_name":"Designs Codes and Cryptography","issn_l":"0925-1022","issn":["0925-1022","1573-7586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Designs, Codes and Cryptography","raw_type":"journal-article"},{"id":"pmh:oai:pure.tue.nl:openaire_cris_publications/a088ae8d-3bc6-4a45-a7a0-5fb8aa655afc","is_oa":false,"landing_page_url":"https://research.tue.nl/en/publications/a088ae8d-3bc6-4a45-a7a0-5fb8aa655afc","pdf_url":null,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Blokhuis, A, Brouwer, A E & Szonyi, T I 2012, 'On the chromatic number of q-Kneser graphs', Designs, Codes and Cryptography, vol. 65, no. 3, pp. 187-197. https://doi.org/10.1007/s10623-011-9513-1","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:715724","is_oa":false,"landing_page_url":"http://library.tue.nl/csp/dare/LinkToRepository.csp?recordnumber=715724","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:0925-1022","raw_type":"Article / Letter to the editor"},{"id":"pmh:oai:edit.elte.hu:10831/91196","is_oa":true,"landing_page_url":"http://hdl.handle.net/10831/91196","pdf_url":null,"source":{"id":"https://openalex.org/S4306400126","display_name":"ELTE Digital Institutional Repository (EDIT) (E\u00f6tv\u00f6s Lor\u00e1nd University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I106118109","host_organization_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","host_organization_lineage":["https://openalex.org/I106118109"],"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":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:eprints.sztaki.hu:7321","is_oa":false,"landing_page_url":"http://eprints.sztaki.hu/7321/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401907","display_name":"SZTAKI Publication Repository (Hungarian Academy of Sciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I7597260","host_organization_name":"Hungarian Academy of Sciences","host_organization_lineage":["https://openalex.org/I7597260"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"ISI Article"},{"id":"pmh:oai:library.tue.nl:715724","is_oa":false,"landing_page_url":"http://repository.tue.nl/715724","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:0925-1022","raw_type":"Article / Letter to the editor"},{"id":"pmh:tue:oai:pure.tue.nl:publications/a088ae8d-3bc6-4a45-a7a0-5fb8aa655afc","is_oa":false,"landing_page_url":"https://research.tue.nl/nl/publications/a088ae8d-3bc6-4a45-a7a0-5fb8aa655afc","pdf_url":null,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Designs, Codes and Cryptography, 65(3), 187 - 197. Springer","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1007/s10623-011-9513-1","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10623-011-9513-1","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10623-011-9513-1.pdf","source":{"id":"https://openalex.org/S81616010","display_name":"Designs Codes and Cryptography","issn_l":"0925-1022","issn":["0925-1022","1573-7586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Designs, Codes and Cryptography","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2891825207","display_name":null,"funder_award_id":"81310","funder_id":"https://openalex.org/F4320321994","funder_display_name":"Hungarian Scientific Research Fund"},{"id":"https://openalex.org/G8146972470","display_name":null,"funder_award_id":"K 81310","funder_id":"https://openalex.org/F4320321994","funder_display_name":"Hungarian Scientific Research Fund"}],"funders":[{"id":"https://openalex.org/F4320321651","display_name":"Technische Universiteit Eindhoven","ror":"https://ror.org/02c2kyt77"},{"id":"https://openalex.org/F4320321994","display_name":"Hungarian Scientific Research Fund","ror":"https://ror.org/00v349e63"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2171798635.pdf","grobid_xml":"https://content.openalex.org/works/W2171798635.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W74675767","https://openalex.org/W1998057731","https://openalex.org/W2002564287","https://openalex.org/W2088742261","https://openalex.org/W2099528956","https://openalex.org/W2107269625"],"related_works":["https://openalex.org/W2391321755","https://openalex.org/W2896134808","https://openalex.org/W4211228991","https://openalex.org/W2949110394","https://openalex.org/W2353790329","https://openalex.org/W2279743781","https://openalex.org/W140666874","https://openalex.org/W1978233018","https://openalex.org/W4289378085","https://openalex.org/W3178681420"],"abstract_inverted_index":{"We":[0,48],"show":[1],"that":[2],"the":[3,11],"q-Kneser":[4],"graph":[5,9],"qK":[6],"2k:k":[7],"(the":[8],"on":[10,52],"k-subspaces":[12],"of":[13],"a":[14],"2k-space":[15],"over":[16],"GF(q),":[17],"where":[18],"two":[19],"k-spaces":[20],"are":[21],"adjacent":[22],"when":[23],"they":[24],"intersect":[25],"trivially),":[26],"has":[27],"chromatic":[28],"number":[29],"q":[30,33,43,45],"k":[31,36,41,56],"+":[32],"k\u22121":[34],"for":[35,40,55],"=":[37,57],"3":[38],"and":[39],"<":[42],"log":[44],"\u2212":[46],"q.":[47],"obtain":[49],"detailed":[50],"results":[51],"maximal":[53],"cocliques":[54],"3.":[58]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}