{"id":"https://openalex.org/W2080127512","doi":"https://doi.org/10.1016/s0893-9659(03)90093-0","title":"Periodic solutions of a delayed, periodic logistic equation","display_name":"Periodic solutions of a delayed, periodic logistic equation","publication_year":2003,"publication_date":"2003-10-01","ids":{"openalex":"https://openalex.org/W2080127512","doi":"https://doi.org/10.1016/s0893-9659(03)90093-0","mag":"2080127512"},"language":"en","primary_location":{"id":"doi:10.1016/s0893-9659(03)90093-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0893-9659(03)90093-0","pdf_url":null,"source":{"id":"https://openalex.org/S7571225","display_name":"Applied Mathematics Letters","issn_l":"0893-9659","issn":["0893-9659","1873-5452"],"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":"Applied Mathematics Letters","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/A5100384012","display_name":"Yuming Chen","orcid":"https://orcid.org/0000-0002-2896-5627"},"institutions":[{"id":"https://openalex.org/I75381157","display_name":"Wilfrid Laurier University","ror":"https://ror.org/00fn7gb05","country_code":"CA","type":"education","lineage":["https://openalex.org/I75381157"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Yuming Chen","raw_affiliation_strings":["Department of Mathematics, Wilfrid Laurier University Waterloo, Ontario, N2L 3C5, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Wilfrid Laurier University Waterloo, Ontario, N2L 3C5, Canada","institution_ids":["https://openalex.org/I75381157"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5100384012"],"corresponding_institution_ids":["https://openalex.org/I75381157"],"apc_list":{"value":3540,"currency":"USD","value_usd":3540},"apc_paid":null,"fwci":4.7168,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.94418614,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"16","issue":"7","first_page":"1047","last_page":"1051"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10482","display_name":"Mathematical and Theoretical Epidemiology and Ecology Models","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10482","display_name":"Mathematical and Theoretical Epidemiology and Ecology Models","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12396","display_name":"Advanced Differential Equations and Dynamical Systems","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10541","display_name":"Nonlinear Differential Equations Analysis","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/mathematics","display_name":"Mathematics","score":0.9060239791870117},{"id":"https://openalex.org/keywords/logistic-function","display_name":"Logistic function","score":0.608510434627533},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.47223520278930664},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.41293954849243164},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.28182390332221985}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.9060239791870117},{"id":"https://openalex.org/C180802074","wikidata":"https://www.wikidata.org/wiki/Q1052379","display_name":"Logistic function","level":2,"score":0.608510434627533},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.47223520278930664},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.41293954849243164},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.28182390332221985}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0893-9659(03)90093-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0893-9659(03)90093-0","pdf_url":null,"source":{"id":"https://openalex.org/S7571225","display_name":"Applied Mathematics Letters","issn_l":"0893-9659","issn":["0893-9659","1873-5452"],"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":"Applied Mathematics Letters","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":10,"referenced_works":["https://openalex.org/W566195298","https://openalex.org/W1555674425","https://openalex.org/W1586658033","https://openalex.org/W2005649851","https://openalex.org/W2060846613","https://openalex.org/W2168394909","https://openalex.org/W2254586556","https://openalex.org/W2563951099","https://openalex.org/W2573899171","https://openalex.org/W4214540269"],"related_works":["https://openalex.org/W2910133962","https://openalex.org/W2401850100","https://openalex.org/W3117324600","https://openalex.org/W2141704600","https://openalex.org/W4226067901","https://openalex.org/W4313705710","https://openalex.org/W3157737782","https://openalex.org/W3043663456","https://openalex.org/W3015266405","https://openalex.org/W2083964489"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
