{"id":"https://openalex.org/W2344397418","doi":"https://doi.org/10.1007/s00453-015-0015-9","title":"Computing Directed Pathwidth in $$O(1.89^{n})$$ O ( 1 . 89 n ) Time","display_name":"Computing Directed Pathwidth in $$O(1.89^{n})$$ O ( 1 . 89 n ) Time","publication_year":2015,"publication_date":"2015-06-10","ids":{"openalex":"https://openalex.org/W2344397418","doi":"https://doi.org/10.1007/s00453-015-0015-9","mag":"2344397418"},"language":"en","primary_location":{"id":"doi:10.1007/s00453-015-0015-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-015-0015-9","pdf_url":null,"source":{"id":"https://openalex.org/S89324355","display_name":"Algorithmica","issn_l":"0178-4617","issn":["0178-4617","1432-0541"],"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":"Algorithmica","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/A5055307416","display_name":"Kenta Kitsunai","orcid":null},"institutions":[{"id":"https://openalex.org/I16656306","display_name":"Meiji University","ror":"https://ror.org/02rqvrp93","country_code":"JP","type":"education","lineage":["https://openalex.org/I16656306"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenta Kitsunai","raw_affiliation_strings":["Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan","institution_ids":["https://openalex.org/I16656306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017896061","display_name":"Yasuaki Kobayashi","orcid":"https://orcid.org/0000-0003-3244-6915"},"institutions":[{"id":"https://openalex.org/I45391821","display_name":"Gakushuin University","ror":"https://ror.org/037s2db26","country_code":"JP","type":"education","lineage":["https://openalex.org/I45391821"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yasuaki Kobayashi","raw_affiliation_strings":["Computer Center, Gakushuin University, Toshima-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Computer Center, Gakushuin University, Toshima-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I45391821"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011359863","display_name":"Keita Komuro","orcid":null},"institutions":[{"id":"https://openalex.org/I16656306","display_name":"Meiji University","ror":"https://ror.org/02rqvrp93","country_code":"JP","type":"education","lineage":["https://openalex.org/I16656306"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keita Komuro","raw_affiliation_strings":["Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan","institution_ids":["https://openalex.org/I16656306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053315038","display_name":"Hisao Tamaki","orcid":"https://orcid.org/0000-0001-7566-8505"},"institutions":[{"id":"https://openalex.org/I16656306","display_name":"Meiji University","ror":"https://ror.org/02rqvrp93","country_code":"JP","type":"education","lineage":["https://openalex.org/I16656306"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hisao Tamaki","raw_affiliation_strings":["Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan","institution_ids":["https://openalex.org/I16656306"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061258298","display_name":"Toshihiro Tano","orcid":null},"institutions":[{"id":"https://openalex.org/I16656306","display_name":"Meiji University","ror":"https://ror.org/02rqvrp93","country_code":"JP","type":"education","lineage":["https://openalex.org/I16656306"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshihiro Tano","raw_affiliation_strings":["Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Meiji University, Kawasaki-shi, Kanagawa, Japan","institution_ids":["https://openalex.org/I16656306"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5017896061"],"corresponding_institution_ids":["https://openalex.org/I45391821"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":1.8189,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.86944277,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"75","issue":"1","first_page":"138","last_page":"157"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":1.0,"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":1.0,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T12541","display_name":"Graph Labeling and Dimension Problems","score":0.9987000226974487,"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/digraph","display_name":"Digraph","score":0.6459715962409973},{"id":"https://openalex.org/keywords/pathwidth","display_name":"Pathwidth","score":0.6299117803573608},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6268337965011597},{"id":"https://openalex.org/keywords/theory-of-computation","display_name":"Theory of computation","score":0.6202452182769775},{"id":"https://openalex.org/keywords/running-time","display_name":"Running time","score":0.5620447993278503},{"id":"https://openalex.org/keywords/undirected-graph","display_name":"Undirected graph","score":0.5459384918212891},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5418033003807068},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.4882207214832306},{"id":"https://openalex.org/keywords/directed-graph","display_name":"Directed graph","score":0.4621177017688751},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.43815428018569946},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4165613651275635},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37844139337539673},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3271006941795349},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.1411714255809784}],"concepts":[{"id":"https://openalex.org/C2779145032","wikidata":"https://www.wikidata.org/wiki/Q191494","display_name":"Digraph","level":2,"score":0.6459715962409973},{"id":"https://openalex.org/C43517604","wikidata":"https://www.wikidata.org/wiki/Q7144893","display_name":"Pathwidth","level":4,"score":0.6299117803573608},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6268337965011597},{"id":"https://openalex.org/C24858836","wikidata":"https://www.wikidata.org/wiki/Q844718","display_name":"Theory of computation","level":2,"score":0.6202452182769775},{"id":"https://openalex.org/C3017489831","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Running time","level":2,"score":0.5620447993278503},{"id":"https://openalex.org/C3018234147","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Undirected graph","level":3,"score":0.5459384918212891},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5418033003807068},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.4882207214832306},{"id":"https://openalex.org/C146380142","wikidata":"https://www.wikidata.org/wiki/Q1137726","display_name":"Directed graph","level":2,"score":0.4621177017688751},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.43815428018569946},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4165613651275635},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37844139337539673},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3271006941795349},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.1411714255809784}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00453-015-0015-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-015-0015-9","pdf_url":null,"source":{"id":"https://openalex.org/S89324355","display_name":"Algorithmica","issn_l":"0178-4617","issn":["0178-4617","1432-0541"],"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":"Algorithmica","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":26,"referenced_works":["https://openalex.org/W75009678","https://openalex.org/W135557522","https://openalex.org/W1514759861","https://openalex.org/W1546553618","https://openalex.org/W1578113210","https://openalex.org/W1813769739","https://openalex.org/W1976676758","https://openalex.org/W1989886714","https://openalex.org/W2005079828","https://openalex.org/W2012154006","https://openalex.org/W2015963099","https://openalex.org/W2016602672","https://openalex.org/W2033405938","https://openalex.org/W2052867211","https://openalex.org/W2054167510","https://openalex.org/W2059372025","https://openalex.org/W2060423839","https://openalex.org/W2091208300","https://openalex.org/W2101400962","https://openalex.org/W2122952119","https://openalex.org/W2124568589","https://openalex.org/W2143561549","https://openalex.org/W2143693959","https://openalex.org/W2168990208","https://openalex.org/W2189938931","https://openalex.org/W2986773320"],"related_works":["https://openalex.org/W2057903654","https://openalex.org/W4255598955","https://openalex.org/W2765600275","https://openalex.org/W2953710272","https://openalex.org/W3088611359","https://openalex.org/W3006501763","https://openalex.org/W4300501056","https://openalex.org/W2372392972","https://openalex.org/W1643271191","https://openalex.org/W1999214321"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-01-15T23:16:33.117629","created_date":"2025-10-10T00:00:00"}
