{"id":"https://openalex.org/W1968383667","doi":"https://doi.org/10.1007/s00607-009-0039-6","title":"On an infinite family of graphs with information ratio 2 \u2212 1/k","display_name":"On an infinite family of graphs with information ratio 2 \u2212 1/k","publication_year":2009,"publication_date":"2009-05-18","ids":{"openalex":"https://openalex.org/W1968383667","doi":"https://doi.org/10.1007/s00607-009-0039-6","mag":"1968383667"},"language":"en","primary_location":{"id":"doi:10.1007/s00607-009-0039-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00607-009-0039-6","pdf_url":null,"source":{"id":"https://openalex.org/S35593046","display_name":"Computing","issn_l":"0010-485X","issn":["0010-485X","1436-5057"],"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":"Computing","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/A5090277124","display_name":"L\u00e1szl\u00f3 Csirmaz","orcid":"https://orcid.org/0000-0001-7530-8307"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L\u00e1szl\u00f3 Csirmaz","raw_affiliation_strings":["Central European University, Budapest, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central European University, Budapest, Hungary","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075364419","display_name":"P\u00e9ter Ligeti","orcid":"https://orcid.org/0000-0002-3998-0515"},"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/I127817813","display_name":"Alfr\u00e9d R\u00e9nyi Institute of Mathematics","ror":"https://ror.org/03vw74f64","country_code":"HU","type":"facility","lineage":["https://openalex.org/I127817813","https://openalex.org/I7597260"]}],"countries":["HU"],"is_corresponding":true,"raw_author_name":"P\u00e9ter Ligeti","raw_affiliation_strings":["R\u00e9nyi Institute, E\u00f6tv\u00f6s University, Budapest, Hungary","E\u00f6tv\u00f6s University, R\u00e9nyi Institute, Budapest, Hungary#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R\u00e9nyi Institute, E\u00f6tv\u00f6s University, Budapest, Hungary","institution_ids":["https://openalex.org/I106118109","https://openalex.org/I127817813"]},{"raw_affiliation_string":"E\u00f6tv\u00f6s University, R\u00e9nyi Institute, Budapest, Hungary#TAB#","institution_ids":["https://openalex.org/I106118109"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075364419"],"corresponding_institution_ids":["https://openalex.org/I106118109","https://openalex.org/I127817813"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":3.6637,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.92858569,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"85","issue":"1-2","first_page":"127","last_page":"136"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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"}},{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","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/T11797","display_name":"graph theory and CDMA systems","score":0.9763000011444092,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.8692758083343506},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7259991765022278},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5817166566848755},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4996507167816162},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4751403331756592}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8692758083343506},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7259991765022278},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5817166566848755},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4996507167816162},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4751403331756592}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00607-009-0039-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00607-009-0039-6","pdf_url":null,"source":{"id":"https://openalex.org/S35593046","display_name":"Computing","issn_l":"0010-485X","issn":["0010-485X","1436-5057"],"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":"Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1549664537","https://openalex.org/W1602308290","https://openalex.org/W1683786381","https://openalex.org/W1970845455","https://openalex.org/W1995726850","https://openalex.org/W2037062222","https://openalex.org/W2037497070","https://openalex.org/W2068101455","https://openalex.org/W2076645411","https://openalex.org/W2088023978","https://openalex.org/W2131278486","https://openalex.org/W2141420453","https://openalex.org/W2148623656","https://openalex.org/W2156218425","https://openalex.org/W2160940849","https://openalex.org/W2792527638","https://openalex.org/W2947000318","https://openalex.org/W4246690633"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W4245490552","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W1587224694","https://openalex.org/W2042127053","https://openalex.org/W2142036596","https://openalex.org/W3111310291"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
