{"id":"https://openalex.org/W2042318405","doi":"https://doi.org/10.1016/s0012-365x(97)00044-7","title":"The delta-sum of matching delta-matroids","display_name":"The delta-sum of matching delta-matroids","publication_year":1998,"publication_date":"1998-02-01","ids":{"openalex":"https://openalex.org/W2042318405","doi":"https://doi.org/10.1016/s0012-365x(97)00044-7","mag":"2042318405"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(97)00044-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(97)00044-7","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Mathematics","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/A5111731744","display_name":"Andr\u00e9 Bouchet","orcid":null},"institutions":[{"id":"https://openalex.org/I4210108471","display_name":"Le Mans Universit\u00e9","ror":"https://ror.org/01mtcc283","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210108471"]},{"id":"https://openalex.org/I4210161954","display_name":"D\u00e9partement d'Informatique","ror":"https://ror.org/05y6rqs46","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I2746051580","https://openalex.org/I29607241","https://openalex.org/I4210159245","https://openalex.org/I4210161954"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Andr\u00e9 Bouchet","raw_affiliation_strings":["D\u00e9partement d'Informatique, Universit\u00e9 du Maine, 72017 Le Mans Cedex, France"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement d'Informatique, Universit\u00e9 du Maine, 72017 Le Mans Cedex, France","institution_ids":["https://openalex.org/I4210108471","https://openalex.org/I4210161954"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007543779","display_name":"Werner Schw\u00e4rzler","orcid":null},"institutions":[{"id":"https://openalex.org/I4210166048","display_name":"Gesellschaft Fur Mathematik Und Datenverarbeitung","ror":"https://ror.org/02g6d4t03","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210166048"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Werner Schw\u00e4rzler","raw_affiliation_strings":["Forschungsinstitut f\u00fcr Diskrete Mathematik, Nassestra\u03b2e 2, 53113 Bonn, Germany"],"affiliations":[{"raw_affiliation_string":"Forschungsinstitut f\u00fcr Diskrete Mathematik, Nassestra\u03b2e 2, 53113 Bonn, Germany","institution_ids":["https://openalex.org/I4210166048"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5111731744"],"corresponding_institution_ids":["https://openalex.org/I4210108471","https://openalex.org/I4210161954"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.17282769,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"181","issue":"1-3","first_page":"53","last_page":"63"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9998999834060669,"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":0.9998999834060669,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9987999796867371,"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/T10948","display_name":"Advanced Combinatorial Mathematics","score":0.9980999827384949,"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/delta","display_name":"Delta","score":0.8022861480712891},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7815172672271729},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7241467237472534},{"id":"https://openalex.org/keywords/matroid","display_name":"Matroid","score":0.7225967645645142},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5793750286102295},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.40601807832717896},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11969196796417236},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06587225198745728}],"concepts":[{"id":"https://openalex.org/C5072461","wikidata":"https://www.wikidata.org/wiki/Q49506","display_name":"Delta","level":2,"score":0.8022861480712891},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7815172672271729},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7241467237472534},{"id":"https://openalex.org/C106286213","wikidata":"https://www.wikidata.org/wiki/Q898572","display_name":"Matroid","level":2,"score":0.7225967645645142},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5793750286102295},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.40601807832717896},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11969196796417236},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06587225198745728},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0012-365x(97)00044-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(97)00044-7","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Mathematics","raw_type":"journal-article"},{"id":"pmh:hdl:10068/183924","is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/183924","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"R - Report"}],"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/W1602190525","https://openalex.org/W1978376980","https://openalex.org/W1978873329","https://openalex.org/W1984509778","https://openalex.org/W2000743971","https://openalex.org/W2016088388","https://openalex.org/W2022245976","https://openalex.org/W2031901665","https://openalex.org/W2034959769","https://openalex.org/W2059608229","https://openalex.org/W2066894529","https://openalex.org/W2086362351","https://openalex.org/W2087266578","https://openalex.org/W2111845298","https://openalex.org/W2136499036","https://openalex.org/W4212781838","https://openalex.org/W4233756358","https://openalex.org/W6644850179"],"related_works":["https://openalex.org/W2058299944","https://openalex.org/W4323360720","https://openalex.org/W1550144461","https://openalex.org/W2783959783","https://openalex.org/W2602164040","https://openalex.org/W2037206237","https://openalex.org/W4310658774","https://openalex.org/W2033011390","https://openalex.org/W2068222471","https://openalex.org/W2381226549"],"abstract_inverted_index":null,"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}