{"id":"https://openalex.org/W2063558359","doi":"https://doi.org/10.1002/jgt.3190140404","title":"More characterizations of triangulated graphs","display_name":"More characterizations of triangulated graphs","publication_year":1990,"publication_date":"1990-09-01","ids":{"openalex":"https://openalex.org/W2063558359","doi":"https://doi.org/10.1002/jgt.3190140404","mag":"2063558359"},"language":"en","primary_location":{"id":"doi:10.1002/jgt.3190140404","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jgt.3190140404","pdf_url":null,"source":{"id":"https://openalex.org/S193368155","display_name":"Journal of Graph Theory","issn_l":"0364-9024","issn":["0364-9024","1097-0118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Graph Theory","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/A5072495508","display_name":"C. Benzaken","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Claude Benzaken","raw_affiliation_strings":["Institut Imag Universite\u0301 Scientifique et Me\u0301dicale de Grenoble Saint-Martin-D'Heres, France","Institut Imag Universit\u00e9 Scientifique et M\u00e9dicale de Grenoble Saint-Martin-D'Heres, France"],"affiliations":[{"raw_affiliation_string":"Institut Imag Universite\u0301 Scientifique et Me\u0301dicale de Grenoble Saint-Martin-D'Heres, France","institution_ids":[]},{"raw_affiliation_string":"Institut Imag Universit\u00e9 Scientifique et M\u00e9dicale de Grenoble Saint-Martin-D'Heres, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038958909","display_name":"Yves Crama","orcid":"https://orcid.org/0000-0002-7470-4743"},"institutions":[{"id":"https://openalex.org/I157674565","display_name":"University of Li\u00e8ge","ror":"https://ror.org/00afp2z80","country_code":"BE","type":"education","lineage":["https://openalex.org/I157674565"]},{"id":"https://openalex.org/I34352273","display_name":"Maastricht University","ror":"https://ror.org/02jz4aj89","country_code":"NL","type":"education","lineage":["https://openalex.org/I34352273"]}],"countries":["BE","NL"],"is_corresponding":false,"raw_author_name":"Yves Crama","raw_affiliation_strings":["Department of Quantitative Economics University of Limburg Maastricht, The Netherlands","Universit\u00e9 de Li\u00e8ge - ULi\u00e8ge > HEC Li\u00e8ge : UER > Recherche op\u00e9rationnelle et gestion de la production >"],"affiliations":[{"raw_affiliation_string":"Department of Quantitative Economics University of Limburg Maastricht, The Netherlands","institution_ids":["https://openalex.org/I34352273"]},{"raw_affiliation_string":"Universit\u00e9 de Li\u00e8ge - ULi\u00e8ge > HEC Li\u00e8ge : UER > Recherche op\u00e9rationnelle et gestion de la production >","institution_ids":["https://openalex.org/I157674565"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082527853","display_name":"Pierre Duchet","orcid":null},"institutions":[{"id":"https://openalex.org/I204730241","display_name":"Universit\u00e9 Paris Cit\u00e9","ror":"https://ror.org/05f82e368","country_code":"FR","type":"education","lineage":["https://openalex.org/I204730241"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Pierre Duchet","raw_affiliation_strings":["CNRS, Er \u201cCombinatoire\u201d Universite\u0301 Paris Vi Paris, France","CNRS, Er \u201cCombinatoire\u201d Universit\u00e9 Paris Vi Paris, France"],"affiliations":[{"raw_affiliation_string":"CNRS, Er \u201cCombinatoire\u201d Universite\u0301 Paris Vi Paris, France","institution_ids":["https://openalex.org/I204730241","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"CNRS, Er \u201cCombinatoire\u201d Universit\u00e9 Paris Vi Paris, France","institution_ids":["https://openalex.org/I204730241","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108282938","display_name":"Peter L. Hammer","orcid":null},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peter L. Hammer","raw_affiliation_strings":["Rutgers Center for Operations Research Rutgers University New Brunswick, New Jersey, USA"],"affiliations":[{"raw_affiliation_string":"Rutgers Center for Operations Research Rutgers University New Brunswick, New Jersey, USA","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064579274","display_name":"Fr\u00e9d\u00e9ric Maffray","orcid":"https://orcid.org/0000-0002-8265-0415"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fr\u00e9d\u00e9ric Maffray","raw_affiliation_strings":["Rutgers Center for Operations Research Rutgers University New Brunswick, New Jersey, USA"],"affiliations":[{"raw_affiliation_string":"Rutgers Center for Operations Research Rutgers University New Brunswick, New Jersey, USA","institution_ids":["https://openalex.org/I102322142"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5072495508"],"corresponding_institution_ids":[],"apc_list":{"value":3760,"currency":"USD","value_usd":3760},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.20678626,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"14","issue":"4","first_page":"413","last_page":"422"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9997000098228455,"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":0.9997000098228455,"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/T11476","display_name":"Graph theory and applications","score":0.9991999864578247,"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"}},{"id":"https://openalex.org/T12069","display_name":"Commutative Algebra and Its Applications","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/mathematics","display_name":"Mathematics","score":0.8292322158813477},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7374167442321777},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5325132012367249},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.46535831689834595}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8292322158813477},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7374167442321777},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5325132012367249},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.46535831689834595}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1002/jgt.3190140404","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jgt.3190140404","pdf_url":null,"source":{"id":"https://openalex.org/S193368155","display_name":"Journal of Graph Theory","issn_l":"0364-9024","issn":["0364-9024","1097-0118"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Graph Theory","raw_type":"journal-article"},{"id":"pmh:oai:orbi.ulg.ac.be:2268/217422","is_oa":false,"landing_page_url":"https://orbi.uliege.be/handle/2268/217422","pdf_url":null,"source":{"id":"https://openalex.org/S4306400651","display_name":"Open Repository and Bibliography (University of Li\u00e8ge)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157674565","host_organization_name":"University of Li\u00e8ge","host_organization_lineage":["https://openalex.org/I157674565"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Graph Theory, 14 (4), 413-422 (1990)","raw_type":"peer reviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W198869600","https://openalex.org/W1517181113","https://openalex.org/W1541044338","https://openalex.org/W1546959834","https://openalex.org/W1980331282","https://openalex.org/W1980985059","https://openalex.org/W2005742663","https://openalex.org/W2034315530","https://openalex.org/W2119950759","https://openalex.org/W2143474538","https://openalex.org/W4299866835","https://openalex.org/W4394792040"],"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/W2142036596","https://openalex.org/W2072657027","https://openalex.org/W2600246793","https://openalex.org/W4238204885"],"abstract_inverted_index":{"Abstract":[0],"New":[1],"characterizations":[2],"of":[3,16,19,30,33,37,42,45],"triangulated":[4,58],"and":[5,23,50,60],"cotriangulated":[6],"graphs":[7,11],"are":[8,25],"presented.":[9],"Cotriangulated":[10],"form":[12],"a":[13,46,55],"natural":[14],"subclass":[15],"the":[17,31,40,63],"class":[18],"strongly":[20],"perfect":[21],"graphs,":[22],"they":[24],"also":[26],"characterized":[27],"in":[28],"terms":[29],"shellability":[32],"some":[34],"associated":[35],"collection":[36],"sets.":[38],"Finally,":[39],"notion":[41],"stability":[43,67],"function":[44,68],"graph":[47,56],"is":[48,52,57],"introduced,":[49],"it":[51],"proved":[53],"that":[54],"if":[59,62],"only":[61],"polynomial":[64],"representing":[65],"its":[66,71],"has":[69],"all":[70],"coefficients":[72],"equal":[73],"to":[74],"0,":[75],"+1":[76],"or":[77],"\u22121.":[78]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}