{"id":"https://openalex.org/W2038552794","doi":"https://doi.org/10.1007/s00373-012-1192-9","title":"A Contribution to the Second Neighborhood Problem","display_name":"A Contribution to the Second Neighborhood Problem","publication_year":2012,"publication_date":"2012-05-28","ids":{"openalex":"https://openalex.org/W2038552794","doi":"https://doi.org/10.1007/s00373-012-1192-9","mag":"2038552794"},"language":"en","primary_location":{"id":"doi:10.1007/s00373-012-1192-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00373-012-1192-9","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"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":"Graphs and Combinatorics","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1106.5462","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083766567","display_name":"Salman Ghazal","orcid":"https://orcid.org/0000-0003-3845-1280"},"institutions":[{"id":"https://openalex.org/I100532134","display_name":"Lyon 1 Universit\u00e9","ror":"https://ror.org/029brtt94","country_code":"FR","type":"education","lineage":["https://openalex.org/I100532134","https://openalex.org/I203339264"]},{"id":"https://openalex.org/I160368002","display_name":"Lebanese University","ror":"https://ror.org/05x6qnc69","country_code":"LB","type":"education","lineage":["https://openalex.org/I160368002"]},{"id":"https://openalex.org/I4210104796","display_name":"Institut Camille Jordan","ror":"https://ror.org/01ekw7f87","country_code":"FR","type":"facility","lineage":["https://openalex.org/I100532134","https://openalex.org/I112936343","https://openalex.org/I1294671590","https://openalex.org/I203339264","https://openalex.org/I203339264","https://openalex.org/I203339264","https://openalex.org/I203339264","https://openalex.org/I4210104796","https://openalex.org/I4405259976","https://openalex.org/I48430043"]}],"countries":["FR","LB"],"is_corresponding":true,"raw_author_name":"Salman Ghazal","raw_affiliation_strings":["Department of Mathematics, Faculty of Sciences I, Lebanese University, Hadath, Beirut, Lebanon","D\u00e9partement de Math\u00e9matiques, Institute Camille Jordan, Universit\u00e9 Claude Bernard Lyon 1, 43 boulevard du 11 novembre 1918, 69622, Villeurbanne Cedex, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of Sciences I, Lebanese University, Hadath, Beirut, Lebanon","institution_ids":["https://openalex.org/I160368002"]},{"raw_affiliation_string":"D\u00e9partement de Math\u00e9matiques, Institute Camille Jordan, Universit\u00e9 Claude Bernard Lyon 1, 43 boulevard du 11 novembre 1918, 69622, Villeurbanne Cedex, France","institution_ids":["https://openalex.org/I100532134","https://openalex.org/I4210104796"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5083766567"],"corresponding_institution_ids":["https://openalex.org/I100532134","https://openalex.org/I160368002","https://openalex.org/I4210104796"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":0.324,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.6112862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"29","issue":"5","first_page":"1365","last_page":"1375"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9994999766349792,"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/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9922999739646912,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9846000075340271,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8516268730163574},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.8402583599090576},{"id":"https://openalex.org/keywords/conjecture","display_name":"Conjecture","score":0.7065253257751465},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5426613688468933},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5211839079856873},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.45167842507362366},{"id":"https://openalex.org/keywords/complete-graph","display_name":"Complete graph","score":0.42970210313796997}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8516268730163574},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8402583599090576},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.7065253257751465},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5426613688468933},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5211839079856873},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.45167842507362366},{"id":"https://openalex.org/C125080357","wikidata":"https://www.wikidata.org/wiki/Q45715","display_name":"Complete graph","level":3,"score":0.42970210313796997}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s00373-012-1192-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00373-012-1192-9","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"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":"Graphs and Combinatorics","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1106.5462","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1106.5462","pdf_url":"https://arxiv.org/pdf/1106.5462","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1106.5462","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1106.5462","pdf_url":"https://arxiv.org/pdf/1106.5462","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"score":0.5799999833106995,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1983466687","https://openalex.org/W2065747108","https://openalex.org/W2103630422","https://openalex.org/W2128449058","https://openalex.org/W3122319259","https://openalex.org/W4234466795","https://openalex.org/W4243493907","https://openalex.org/W4250951991"],"related_works":["https://openalex.org/W2953054374","https://openalex.org/W4300634205","https://openalex.org/W2617720890","https://openalex.org/W1702221854","https://openalex.org/W2952424006","https://openalex.org/W4224909712","https://openalex.org/W4310072706","https://openalex.org/W4320341663","https://openalex.org/W4226229904","https://openalex.org/W2358874518"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-08-05T07:39:15.569665","created_date":"2025-10-10T00:00:00"}
