{"id":"https://openalex.org/W2749954003","doi":"https://doi.org/10.1007/s00453-020-00765-9","title":"On the Tree Augmentation Problem","display_name":"On the Tree Augmentation Problem","publication_year":2020,"publication_date":"2020-09-15","ids":{"openalex":"https://openalex.org/W2749954003","doi":"https://doi.org/10.1007/s00453-020-00765-9","mag":"2749954003"},"language":"en","primary_location":{"id":"doi:10.1007/s00453-020-00765-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-020-00765-9","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/A5003622145","display_name":"Zeev Nutov","orcid":"https://orcid.org/0000-0002-6629-3243"},"institutions":[{"id":"https://openalex.org/I164950643","display_name":"Open University of Israel","ror":"https://ror.org/027z64205","country_code":"IL","type":"education","lineage":["https://openalex.org/I164950643"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Zeev Nutov","raw_affiliation_strings":["Department of Mathematics and Computer Science, The Open University of Israel, Raanana, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, The Open University of Israel, Raanana, Israel","institution_ids":["https://openalex.org/I164950643"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5003622145"],"corresponding_institution_ids":["https://openalex.org/I164950643"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":1.7323,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.87674527,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"83","issue":"2","first_page":"553","last_page":"575"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","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"}},"topics":[{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","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/T12288","display_name":"Optimization and Search Problems","score":0.9973999857902527,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9968000054359436,"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":0.7237688302993774},{"id":"https://openalex.org/keywords/theory-of-computation","display_name":"Theory of computation","score":0.6984584331512451},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6921319365501404},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.6739104986190796},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.6670314073562622},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5398366451263428},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.529801070690155},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.44185903668403625},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.41589075326919556},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.31168848276138306},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1920475959777832},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06414464116096497}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7237688302993774},{"id":"https://openalex.org/C24858836","wikidata":"https://www.wikidata.org/wiki/Q844718","display_name":"Theory of computation","level":2,"score":0.6984584331512451},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6921319365501404},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.6739104986190796},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.6670314073562622},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5398366451263428},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.529801070690155},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.44185903668403625},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.41589075326919556},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.31168848276138306},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1920475959777832},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06414464116096497},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00453-020-00765-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-020-00765-9","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":30,"referenced_works":["https://openalex.org/W69311884","https://openalex.org/W1548400851","https://openalex.org/W1577105815","https://openalex.org/W1580841983","https://openalex.org/W1914444769","https://openalex.org/W1978176066","https://openalex.org/W1989224473","https://openalex.org/W2002452451","https://openalex.org/W2002923907","https://openalex.org/W2009683816","https://openalex.org/W2014349805","https://openalex.org/W2051699458","https://openalex.org/W2057915045","https://openalex.org/W2060105193","https://openalex.org/W2093128520","https://openalex.org/W2143838916","https://openalex.org/W2145243417","https://openalex.org/W2172955861","https://openalex.org/W2287418059","https://openalex.org/W2326678228","https://openalex.org/W2412657279","https://openalex.org/W2552451242","https://openalex.org/W2571094786","https://openalex.org/W2594727037","https://openalex.org/W2777560552","https://openalex.org/W2791470040","https://openalex.org/W2914414140","https://openalex.org/W2963193695","https://openalex.org/W2988480584","https://openalex.org/W4233583517"],"related_works":["https://openalex.org/W4250775169","https://openalex.org/W1901944325","https://openalex.org/W2052299349","https://openalex.org/W1925942709","https://openalex.org/W2047683846","https://openalex.org/W2044902158","https://openalex.org/W2082154838","https://openalex.org/W2109912052","https://openalex.org/W1976332671","https://openalex.org/W1711527768"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}