{"id":"https://openalex.org/W3167350281","doi":"https://doi.org/10.1145/3406325.3451009","title":"A (slightly) improved approximation algorithm for metric TSP","display_name":"A (slightly) improved approximation algorithm for metric TSP","publication_year":2021,"publication_date":"2021-06-15","ids":{"openalex":"https://openalex.org/W3167350281","doi":"https://doi.org/10.1145/3406325.3451009","mag":"3167350281"},"language":"en","primary_location":{"id":"doi:10.1145/3406325.3451009","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3406325.3451009","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 53rd Annual ACM SIGACT Symposium on Theory of Computing","raw_type":"proceedings-article"},"type":"conference-paper","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/A5021838614","display_name":"Anna R. Karlin","orcid":"https://orcid.org/0009-0001-9091-2702"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anna R. Karlin","raw_affiliation_strings":["University of Washington, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Washington, USA","institution_ids":["https://openalex.org/I201448701"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014157604","display_name":"Nathan Klein","orcid":"https://orcid.org/0009-0003-4052-5864"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nathan Klein","raw_affiliation_strings":["University of Washington, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Washington, USA","institution_ids":["https://openalex.org/I201448701"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017101724","display_name":"Shayan Oveis Gharan","orcid":"https://orcid.org/0000-0002-5504-0849"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shayan Oveis Gharan","raw_affiliation_strings":["University of Washington, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Washington, USA","institution_ids":["https://openalex.org/I201448701"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I201448701"],"apc_list":null,"apc_paid":null,"fwci":32.4486,"has_fulltext":false,"cited_by_count":117,"citation_normalized_percentile":{"value":0.99919598,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"32","last_page":"45"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9977999925613403,"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":0.9977999925613403,"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":0.9955000281333923,"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/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9914000034332275,"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/approximation-algorithm","display_name":"Approximation algorithm","score":0.6181811690330505},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6006729602813721},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5467814207077026},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.473578542470932},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07115527987480164}],"concepts":[{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.6181811690330505},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6006729602813721},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5467814207077026},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.473578542470932},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07115527987480164},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3406325.3451009","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3406325.3451009","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 53rd Annual ACM SIGACT Symposium on Theory of Computing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6150757402","display_name":null,"funder_award_id":"FA9550-20-1-0212","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"}],"funders":[{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W58927963","https://openalex.org/W1599657576","https://openalex.org/W1678386955","https://openalex.org/W1714357736","https://openalex.org/W1715329722","https://openalex.org/W1990900182","https://openalex.org/W1993298089","https://openalex.org/W1994248285","https://openalex.org/W1999942773","https://openalex.org/W2003979730","https://openalex.org/W2004759812","https://openalex.org/W2008095352","https://openalex.org/W2009803313","https://openalex.org/W2019242503","https://openalex.org/W2021659530","https://openalex.org/W2038652993","https://openalex.org/W2047861451","https://openalex.org/W2062254875","https://openalex.org/W2063836932","https://openalex.org/W2064284095","https://openalex.org/W2068748054","https://openalex.org/W2081444009","https://openalex.org/W2086863198","https://openalex.org/W2087508734","https://openalex.org/W2110367141","https://openalex.org/W2136400551","https://openalex.org/W2142607374","https://openalex.org/W2144476110","https://openalex.org/W2145145566","https://openalex.org/W2185608239","https://openalex.org/W2258857078","https://openalex.org/W2295578127","https://openalex.org/W2397264686","https://openalex.org/W2497909753","https://openalex.org/W2739453629","https://openalex.org/W2810899983","https://openalex.org/W2947219923","https://openalex.org/W2953010396","https://openalex.org/W2962875727","https://openalex.org/W2963345594","https://openalex.org/W3035071390","https://openalex.org/W3035754533"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2530322880"],"abstract_inverted_index":{"For":[0],"some":[1],">":[2],"10\u221236":[3],"we":[4],"give":[5],"a":[6],"randomized":[7],"3/2\u2212":[8],"approximation":[9],"algorithm":[10],"for":[11],"metric":[12],"TSP.":[13]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":26},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":16},{"year":2021,"cited_by_count":32},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2026-08-22T07:34:49.880490","created_date":"2025-10-10T00:00:00"}
