{"id":"https://openalex.org/W2995154376","doi":"https://doi.org/10.1016/j.topol.2019.106988","title":"Sequences and dense sets","display_name":"Sequences and dense sets","publication_year":2019,"publication_date":"2019-12-18","ids":{"openalex":"https://openalex.org/W2995154376","doi":"https://doi.org/10.1016/j.topol.2019.106988","mag":"2995154376"},"language":"en","primary_location":{"id":"doi:10.1016/j.topol.2019.106988","doi":"https://doi.org/10.1016/j.topol.2019.106988","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.topol.2019.106988","pdf_url":null,"source":{"id":"https://openalex.org/S20133105","display_name":"Topology and its Applications","issn_l":"0166-8641","issn":["0166-8641","1879-3207"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"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":"Topology and its Applications","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.1016/j.topol.2019.106988","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044433149","display_name":"A.A. Gryzlov","orcid":"https://orcid.org/0000-0002-7650-6409","observed_orcids":["https://orcid.org/0000-0002-7650-6409"]},"institutions":[{"id":"https://openalex.org/I57570584","display_name":"Udmurt State University","ror":"https://ror.org/00yp6m473","country_code":"RU","type":"education","lineage":["https://openalex.org/I57570584"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"A.A. Gryzlov","raw_affiliation_strings":["Department of Algebra & Topology, Udmurt State University, Universitetskaya st., 1, Izhevsk, Udmurtiya, 426034, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Algebra & Topology, Udmurt State University, Universitetskaya st., 1, Izhevsk, Udmurtiya, 426034, Russia","institution_ids":["https://openalex.org/I57570584"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5044433149"],"corresponding_institution_ids":["https://openalex.org/I57570584"],"apc_list":{"value":1500,"currency":"USD","value_usd":1500},"apc_paid":null,"fwci":0.6814,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.58239208,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":95},"biblio":{"volume":"271","issue":null,"first_page":"106988","last_page":"106988"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9937000274658203,"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"}},"topics":[{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9937000274658203,"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/T11545","display_name":"Advanced Banach Space Theory","score":0.001500000013038516,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T12062","display_name":"Approximation Theory and Sequence Spaces","score":0.00019999999494757503,"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/separable-spaces","display_name":"separable spaces","score":0.7540000081062317},{"id":"https://openalex.org/keywords/t0-spaces","display_name":"T0 spaces","score":0.5569999814033508},{"id":"https://openalex.org/keywords/t1-spaces","display_name":"T1 spaces","score":0.9010000228881836}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.9114087820053101},{"id":"https://openalex.org/C70710897","wikidata":"https://www.wikidata.org/wiki/Q680081","display_name":"Separable space","level":2,"score":0.761398196220398},{"id":"https://openalex.org/C87142424","wikidata":"https://www.wikidata.org/wiki/Q1191433","display_name":"Tychonoff space","level":3,"score":0.7424665689468384},{"id":"https://openalex.org/C110729354","wikidata":"https://www.wikidata.org/wiki/Q185478","display_name":"Countable set","level":2,"score":0.7045902609825134},{"id":"https://openalex.org/C45340560","wikidata":"https://www.wikidata.org/wiki/Q215382","display_name":"Disjoint sets","level":2,"score":0.6322726011276245},{"id":"https://openalex.org/C90673727","wikidata":"https://www.wikidata.org/wiki/Q901718","display_name":"Product (mathematics)","level":2,"score":0.5258472561836243},{"id":"https://openalex.org/C55606962","wikidata":"https://www.wikidata.org/wiki/Q1572094","display_name":"Product measure","level":3,"score":0.49040699005126953},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.47730815410614014},{"id":"https://openalex.org/C117145882","wikidata":"https://www.wikidata.org/wiki/Q1471397","display_name":"Fr\u00e9chet space","level":5,"score":0.47528234124183655},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4735133945941925},{"id":"https://openalex.org/C123222754","wikidata":"https://www.wikidata.org/wiki/Q1070472","display_name":"Product topology","level":2,"score":0.4530501067638397},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.38509076833724976},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.33892446756362915},{"id":"https://openalex.org/C81332173","wikidata":"https://www.wikidata.org/wiki/Q179899","display_name":"Topological space","level":2,"score":0.32019034028053284},{"id":"https://openalex.org/C6183050","wikidata":"https://www.wikidata.org/wiki/Q3058180","display_name":"Interpolation space","level":4,"score":0.22787868976593018},{"id":"https://openalex.org/C55112680","wikidata":"https://www.wikidata.org/wiki/Q190549","display_name":"Functional analysis","level":3,"score":0.12314918637275696},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10513883829116821},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.topol.2019.106988","doi":"https://doi.org/10.1016/j.topol.2019.106988","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.topol.2019.106988","pdf_url":null,"source":{"id":"https://openalex.org/S20133105","display_name":"Topology and its Applications","issn_l":"0166-8641","issn":["0166-8641","1879-3207"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"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":"Topology and its Applications","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.topol.2019.106988","doi":"https://doi.org/10.1016/j.topol.2019.106988","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.topol.2019.106988","pdf_url":null,"source":{"id":"https://openalex.org/S20133105","display_name":"Topology and its Applications","issn_l":"0166-8641","issn":["0166-8641","1879-3207"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"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":"Topology and its Applications","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G4883864477","display_name":null,"funder_award_id":"1.5211 2017/8.9","funder_id":"https://openalex.org/F4320321912","funder_display_name":"Ministry of Education and Science of the Russian Federation"}],"funders":[{"id":"https://openalex.org/F4320321912","display_name":"Ministry of Education and Science of the Russian Federation","ror":"https://ror.org/00ghqgy32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W95285539","https://openalex.org/W975783864","https://openalex.org/W1013016289","https://openalex.org/W1533657831","https://openalex.org/W2006675503","https://openalex.org/W2087092718","https://openalex.org/W2593908900","https://openalex.org/W2765549164","https://openalex.org/W2889640857","https://openalex.org/W4211173877","https://openalex.org/W6603884545"],"related_works":["https://openalex.org/W4390772746","https://openalex.org/W2765549164","https://openalex.org/W4296986490","https://openalex.org/W2995636015","https://openalex.org/W2889640857","https://openalex.org/W2087092718","https://openalex.org/W4362590993","https://openalex.org/W2593908900","https://openalex.org/W2296777775","https://openalex.org/W2946084935"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2019-12-26T00:00:00"}