{"id":"https://openalex.org/W4412060221","doi":"https://doi.org/10.1016/j.dam.2025.06.013","title":"Circulant TSP: Vertices of the edge-length polytope and superpolynomial lower bounds","display_name":"Circulant TSP: Vertices of the edge-length polytope and superpolynomial lower bounds","publication_year":2025,"publication_date":"2025-07-01","ids":{"openalex":"https://openalex.org/W4412060221","doi":"https://doi.org/10.1016/j.dam.2025.06.013"},"language":"en","primary_location":{"id":"doi:10.1016/j.dam.2025.06.013","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dam.2025.06.013","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied 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/A5044065045","display_name":"Samuel C. Gutekunst","orcid":"https://orcid.org/0000-0002-3516-2996"},"institutions":[{"id":"https://openalex.org/I131221577","display_name":"Bucknell University","ror":"https://ror.org/00fc1qt65","country_code":"US","type":"education","lineage":["https://openalex.org/I131221577"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Samuel C. Gutekunst","raw_affiliation_strings":["Bucknell University, Departments of Computer Science and of Mathematics & Statistics, United States of America"],"affiliations":[{"raw_affiliation_string":"Bucknell University, Departments of Computer Science and of Mathematics & Statistics, United States of America","institution_ids":["https://openalex.org/I131221577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5044065045"],"corresponding_institution_ids":["https://openalex.org/I131221577"],"apc_list":{"value":2750,"currency":"USD","value_usd":2750},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1490146,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"376","issue":null,"first_page":"208","last_page":"224"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.995199978351593,"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/T12176","display_name":"Optimization and Packing Problems","score":0.9843000173568726,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8616694211959839},{"id":"https://openalex.org/keywords/circulant-matrix","display_name":"Circulant matrix","score":0.7508500814437866},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6898438930511475},{"id":"https://openalex.org/keywords/polytope","display_name":"Polytope","score":0.6889646053314209},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5317906737327576},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3503538966178894},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.0855492651462555}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8616694211959839},{"id":"https://openalex.org/C115973184","wikidata":"https://www.wikidata.org/wiki/Q245457","display_name":"Circulant matrix","level":2,"score":0.7508500814437866},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6898438930511475},{"id":"https://openalex.org/C145691206","wikidata":"https://www.wikidata.org/wiki/Q747980","display_name":"Polytope","level":2,"score":0.6889646053314209},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5317906737327576},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3503538966178894},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0855492651462555},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.dam.2025.06.013","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dam.2025.06.013","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1771215701","display_name":null,"funder_award_id":"CCF-2153331","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320332169","display_name":"Directorate for Computer and Information Science and Engineering","ror":"https://ror.org/025kzpk63"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":59,"referenced_works":["https://openalex.org/W268194639","https://openalex.org/W626292722","https://openalex.org/W659407495","https://openalex.org/W1571087346","https://openalex.org/W1583976033","https://openalex.org/W1689093605","https://openalex.org/W1762430620","https://openalex.org/W1772550183","https://openalex.org/W1834243419","https://openalex.org/W1970388956","https://openalex.org/W1983002996","https://openalex.org/W1994248285","https://openalex.org/W1999799345","https://openalex.org/W2002860019","https://openalex.org/W2016402211","https://openalex.org/W2018692958","https://openalex.org/W2021199373","https://openalex.org/W2033662447","https://openalex.org/W2037314270","https://openalex.org/W2038652993","https://openalex.org/W2049591070","https://openalex.org/W2067684024","https://openalex.org/W2072789827","https://openalex.org/W2073906627","https://openalex.org/W2081290549","https://openalex.org/W2083210138","https://openalex.org/W2086315201","https://openalex.org/W2116501956","https://openalex.org/W2117226423","https://openalex.org/W2122081184","https://openalex.org/W2135149549","https://openalex.org/W2139648082","https://openalex.org/W2141355868","https://openalex.org/W2161305900","https://openalex.org/W2165142526","https://openalex.org/W2278286793","https://openalex.org/W2610042549","https://openalex.org/W2767562605","https://openalex.org/W2798566347","https://openalex.org/W2962886618","https://openalex.org/W2995892233","https://openalex.org/W2996251045","https://openalex.org/W3114183164","https://openalex.org/W3157298536","https://openalex.org/W3167350281","https://openalex.org/W3168721338","https://openalex.org/W4205585032","https://openalex.org/W4221164291","https://openalex.org/W4280570909","https://openalex.org/W4294358747","https://openalex.org/W4388582993","https://openalex.org/W4399209364","https://openalex.org/W4409524224","https://openalex.org/W6604664341","https://openalex.org/W6607906522","https://openalex.org/W6637923760","https://openalex.org/W6689822453","https://openalex.org/W6810702158","https://openalex.org/W6838537385"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2117159910","https://openalex.org/W2335757200","https://openalex.org/W2049656902","https://openalex.org/W2044900700","https://openalex.org/W2549019542","https://openalex.org/W2139378013","https://openalex.org/W2312260908","https://openalex.org/W2394404719","https://openalex.org/W2964130583"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-01-19T04:01:09.351973","created_date":"2025-10-10T00:00:00"}