{"id":"https://openalex.org/W1993793260","doi":"https://doi.org/10.1051/ro:2003005","title":"Autour de nouvelles notions pour l'analyse des algorithmes d'approximation\u00a0: formalisme unifi\u00e9 et classes d'approximation","display_name":"Autour de nouvelles notions pour l'analyse des algorithmes d'approximation\u00a0: formalisme unifi\u00e9 et classes d'approximation","publication_year":2002,"publication_date":"2002-07-01","ids":{"openalex":"https://openalex.org/W1993793260","doi":"https://doi.org/10.1051/ro:2003005","mag":"1993793260"},"language":"fr","primary_location":{"id":"doi:10.1051/ro:2003005","is_oa":false,"landing_page_url":"https://doi.org/10.1051/ro:2003005","pdf_url":null,"source":{"id":"https://openalex.org/S20631277","display_name":"RAIRO - Operations Research","issn_l":"0399-0559","issn":["0399-0559","1290-3868","2804-7303"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319748","host_organization_name":"EDP Sciences","host_organization_lineage":["https://openalex.org/P4310319748"],"host_organization_lineage_names":["EDP Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"RAIRO - Operations Research","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.numdam.org/item/10.1051/ro:2003005.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089562675","display_name":"Marc Demange","orcid":"https://orcid.org/0000-0001-6195-2919"},"institutions":[{"id":"https://openalex.org/I124261006","display_name":"\u00c9cole Sup\u00e9rieure des Sciences \u00c9conomiques et Commerciales","ror":"https://ror.org/02dga6j42","country_code":"FR","type":"other","lineage":["https://openalex.org/I124261006"]},{"id":"https://openalex.org/I4210142324","display_name":"CY Cergy Paris Universit\u00e9","ror":"https://ror.org/043htjv09","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210142324"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Marc Demange","raw_affiliation_strings":["ESSEC, Cergy-Pontoise, France; demange@essec.fr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ESSEC, Cergy-Pontoise, France; demange@essec.fr","institution_ids":["https://openalex.org/I124261006","https://openalex.org/I4210142324"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111473903","display_name":"Vang\u00e9lis Th. Paschos","orcid":null},"institutions":[{"id":"https://openalex.org/I56435720","display_name":"Universit\u00e9 Paris Dauphine-PSL","ror":"https://ror.org/052bz7812","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580","https://openalex.org/I56435720"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Vangelis Paschos","raw_affiliation_strings":["LAMSADE, Universit\u00e9 Paris-Dauphine, France; paschos@lamsade.dauphine.fr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LAMSADE, Universit\u00e9 Paris-Dauphine, France; paschos@lamsade.dauphine.fr","institution_ids":["https://openalex.org/I56435720"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3897,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.61073095,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"36","issue":"3","first_page":"237","last_page":"277"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","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/T10720","display_name":"Complexity and Algorithms in Graphs","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/T10374","display_name":"Advanced Graph Theory Research","score":0.992900013923645,"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/humanities","display_name":"Humanities","score":0.8017533421516418},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4296852648258209},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.4206530451774597}],"concepts":[{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.8017533421516418},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4296852648258209},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.4206530451774597}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1051/ro:2003005","is_oa":false,"landing_page_url":"https://doi.org/10.1051/ro:2003005","pdf_url":null,"source":{"id":"https://openalex.org/S20631277","display_name":"RAIRO - Operations Research","issn_l":"0399-0559","issn":["0399-0559","1290-3868","2804-7303"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319748","host_organization_name":"EDP Sciences","host_organization_lineage":["https://openalex.org/P4310319748"],"host_organization_lineage_names":["EDP Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"RAIRO - Operations Research","raw_type":"journal-article"},{"id":"pmh:oai:numdam.org:RO_2002__36_3_237_0","is_oa":true,"landing_page_url":"http://www.numdam.org/articles/10.1051/ro:2003005/","pdf_url":"https://www.numdam.org/item/10.1051/ro:2003005.pdf","source":{"id":"https://openalex.org/S4306402264","display_name":"French digital mathematics library (Numdam)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I70900168","host_organization_name":"Universit\u00e9 Savoie Mont Blanc","host_organization_lineage":["https://openalex.org/I70900168"],"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"},{"id":"pmh:oai:basepub.dauphine.fr:123456789/3827","is_oa":true,"landing_page_url":"https://basepub.dauphine.fr/handle/123456789/3827","pdf_url":null,"source":{"id":"https://openalex.org/S4306401007","display_name":"Base Institutionnelle de Recherche de l'universit\u00e9 Paris-Dauphine (BIRD) (University Paris-Dauphine)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I102197404","host_organization_name":"Universit\u00e9 Paris-Sud","host_organization_lineage":["https://openalex.org/I102197404"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article accept\u00e9 pour publication ou publi\u00e9"}],"best_oa_location":{"id":"pmh:oai:numdam.org:RO_2002__36_3_237_0","is_oa":true,"landing_page_url":"http://www.numdam.org/articles/10.1051/ro:2003005/","pdf_url":"https://www.numdam.org/item/10.1051/ro:2003005.pdf","source":{"id":"https://openalex.org/S4306402264","display_name":"French digital mathematics library (Numdam)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I70900168","host_organization_name":"Universit\u00e9 Savoie Mont Blanc","host_organization_lineage":["https://openalex.org/I70900168"],"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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1993793260.pdf","grobid_xml":"https://content.openalex.org/works/W1993793260.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W959799004","https://openalex.org/W1530753374","https://openalex.org/W1680189815","https://openalex.org/W1980328919","https://openalex.org/W1990326132","https://openalex.org/W1998902878","https://openalex.org/W2001258377","https://openalex.org/W2003159902","https://openalex.org/W2026891055","https://openalex.org/W2036265926","https://openalex.org/W2040924621","https://openalex.org/W2052064586","https://openalex.org/W2053913299","https://openalex.org/W2059453880","https://openalex.org/W2075648490","https://openalex.org/W2077783414","https://openalex.org/W2081254453","https://openalex.org/W2089061537","https://openalex.org/W2089247135","https://openalex.org/W2095314925","https://openalex.org/W2117158270","https://openalex.org/W2137560895","https://openalex.org/W2143391442","https://openalex.org/W2153663865","https://openalex.org/W2157054705","https://openalex.org/W2159579504","https://openalex.org/W2162176329","https://openalex.org/W2164654851","https://openalex.org/W2331953749","https://openalex.org/W2401610261"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W4245490552","https://openalex.org/W4225152035","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W1587224694","https://openalex.org/W2911598644"],"abstract_inverted_index":{"Cet":[0],"article":[1],"est":[2,34,52,161],"le":[3],"premier":[4,110],"d'une":[5],"s\u00e9rie":[6],"de":[7,26,43,55,61,79,91,99,106,125,133,136,140,146,167],"deux":[8,69,144],"articles":[9,70],"o\u00f9":[10],"nous":[11,112,113],"pr\u00e9sentons":[12],"les":[13,29,122,131],"principales":[14],"caract\u00e9ristiques":[15],"d'un":[16,36],"nouveau":[17],"formalisme":[18],"pour":[19,28,172],"l'approximation":[20,59],"polynomiale":[21,23],"(algorithmique":[22],"\u00e0":[24,150],"garanties":[25],"performances":[27],"probl\u00e8mes":[30,104,126],"NP-difficiles).":[31],"Ce":[32],"travail":[33],"l'occasion":[35,54],"regard":[37],"critique":[38],"sur":[39,45,86],"ce":[40,80,109],"domaine":[41],"et":[42,65,154,164,184],"discussions":[44],"la":[46,100],"pertinence":[47],"des":[48,103,182,185],"notions":[49,132,145],"usuelles.":[50],"Il":[51],"aussi":[53],"se":[56],"familiariser":[57],"avec":[58],"polynomiale,":[60],"comprendre":[62],"ses":[63,66],"enjeux":[64],"m\u00e9thodes.":[67],"Ces":[68],"s'adressent":[71],"donc":[72],"autant":[73],"aux":[74,115,157],"sp\u00e9cialistes":[75,78],"qu'aux":[76],"non":[77],"domaine.":[81],"Nous":[82,128],"insistons":[83],"tout":[84],"particuli\u00e8rement":[85],"l'int\u00e9r\u00eat,":[87],"tant":[88],"th\u00e9orique":[89],"qu'op\u00e9rationnel,":[90],"mettre":[92],"en":[93],"\u00e9vidence":[94],"une":[95,151],"structure":[96],"au":[97],"sein":[98],"classe":[101],"NPO":[102],"d'optimisation":[105],"NP.":[107],"Dans":[108],"article,":[111],"int\u00e9ressons":[114],"outils":[116],"qui":[117],"permettent":[118],"d'\u00e9valuer,":[119],"dans":[120],"l'absolu,":[121],"propri\u00e9t\u00e9s":[123],"d'approximation":[124],"difficiles.":[127],"discutons":[129],"notamment":[130],"cha\u00eenes":[134],"d'approximation,":[135,138],"niveau":[137],"d'ordre":[139],"difficult\u00e9":[141,179],"ainsi":[142],"que":[143],"limites":[147],"(par":[148],"rapport":[149,156],"suite":[152],"d'algorithmes":[153],"par":[155,166],"instances).":[158],"Chaque":[159],"notion":[160],"largement":[162],"discut\u00e9e":[163],"illustr\u00e9e":[165],"nombreux":[168],"exemples":[169],"choisis":[170],"essentiellement":[171],"leur":[173],"valeur":[174],"p\u00e9dagogique.":[175],"Mots":[176],"Cl\u00e9s.":[177],"Complexit\u00e9,":[178],"intrins\u00e8que,":[180],"analyse":[181],"algorithmes":[183,187],"probl\u00e8mes,":[186],"d'approximation.":[188],"Classification":[189],"Math\u00e9matique.":[190],"68Q15,":[191],"68Q17,":[192],"68Q25,":[193],"68W25.":[194]},"counts_by_year":[],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2025-10-10T00:00:00"}
