{"id":"https://openalex.org/W2156901254","doi":"https://doi.org/10.1016/s0012-365x(00)00079-0","title":"On Homotopy of connected graphs having the same degree function","display_name":"On Homotopy of connected graphs having the same degree function","publication_year":2001,"publication_date":"2001-03-01","ids":{"openalex":"https://openalex.org/W2156901254","doi":"https://doi.org/10.1016/s0012-365x(00)00079-0","mag":"2156901254"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(00)00079-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(00)00079-0","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/A5044955882","display_name":"Alexander Kelmans","orcid":null},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]},{"id":"https://openalex.org/I200399037","display_name":"University of Puerto Rico System","ror":"https://ror.org/02yg0nm07","country_code":"PR","type":"education","lineage":["https://openalex.org/I200399037"]}],"countries":["PR","US"],"is_corresponding":true,"raw_author_name":"Alexander Kelmans","raw_affiliation_strings":["Department of Mathematics, University of Puerto Rico, Box 23355, San Juan 00931-3355, Puerto Rico","Rutgers University, New Brunswick, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Puerto Rico, Box 23355, San Juan 00931-3355, Puerto Rico","institution_ids":["https://openalex.org/I200399037"]},{"raw_affiliation_string":"Rutgers University, New Brunswick, NJ, USA","institution_ids":["https://openalex.org/I102322142"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5044955882"],"corresponding_institution_ids":["https://openalex.org/I102322142","https://openalex.org/I200399037"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.4636,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.68911185,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"230","issue":"1-3","first_page":"167","last_page":"187"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9373999834060669,"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":0.9373999834060669,"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/T12536","display_name":"Topological and Geometric Data Analysis","score":0.9344000220298767,"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":0.87473464012146},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7524990439414978},{"id":"https://openalex.org/keywords/homotopy","display_name":"Homotopy","score":0.6248467564582825},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5747232437133789},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4995846748352051},{"id":"https://openalex.org/keywords/simple-graph","display_name":"Simple graph","score":0.47192907333374023},{"id":"https://openalex.org/keywords/degree","display_name":"Degree (music)","score":0.4401251971721649},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.42950624227523804},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.09365451335906982}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.87473464012146},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7524990439414978},{"id":"https://openalex.org/C5961521","wikidata":"https://www.wikidata.org/wiki/Q746083","display_name":"Homotopy","level":2,"score":0.6248467564582825},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5747232437133789},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4995846748352051},{"id":"https://openalex.org/C2993105083","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Simple graph","level":3,"score":0.47192907333374023},{"id":"https://openalex.org/C2775997480","wikidata":"https://www.wikidata.org/wiki/Q586277","display_name":"Degree (music)","level":2,"score":0.4401251971721649},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.42950624227523804},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.09365451335906982},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0012-365x(00)00079-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(00)00079-0","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2951305269","https://openalex.org/W2897806428","https://openalex.org/W2391518723","https://openalex.org/W3206431649","https://openalex.org/W2010965931","https://openalex.org/W2805115653","https://openalex.org/W1996149838","https://openalex.org/W3014749936","https://openalex.org/W4205475737","https://openalex.org/W2364012696"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}