{"id":"https://openalex.org/W2093347052","doi":"https://doi.org/10.1007/s10485-014-9367-6","title":"Set Functors and Filters","display_name":"Set Functors and Filters","publication_year":2014,"publication_date":"2014-03-25","ids":{"openalex":"https://openalex.org/W2093347052","doi":"https://doi.org/10.1007/s10485-014-9367-6","mag":"2093347052"},"language":"en","primary_location":{"id":"doi:10.1007/s10485-014-9367-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10485-014-9367-6","pdf_url":null,"source":{"id":"https://openalex.org/S148906134","display_name":"Applied Categorical Structures","issn_l":"0927-2852","issn":["0927-2852","1572-9095"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Categorical Structures","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/A5031559202","display_name":"V\u00e1c\u0142av Koubek","orcid":null},"institutions":[{"id":"https://openalex.org/I21250087","display_name":"Charles University","ror":"https://ror.org/024d6js02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21250087"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"V. Koubek","raw_affiliation_strings":["Department of Theoretical Computer Science and Mathematical Logic, The Faculty of Mathematics and Physics, Charles University, Malostransk\u00e9 n\u00e1m. 25, 118 00, Praha 1, Czech Republic","Charles University,"],"affiliations":[{"raw_affiliation_string":"Department of Theoretical Computer Science and Mathematical Logic, The Faculty of Mathematics and Physics, Charles University, Malostransk\u00e9 n\u00e1m. 25, 118 00, Praha 1, Czech Republic","institution_ids":["https://openalex.org/I21250087"]},{"raw_affiliation_string":"Charles University,","institution_ids":["https://openalex.org/I21250087"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073900032","display_name":"V\u011bra Trnkov\u00e1","orcid":null},"institutions":[{"id":"https://openalex.org/I21250087","display_name":"Charles University","ror":"https://ror.org/024d6js02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21250087"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"V. Trnkov\u00e1","raw_affiliation_strings":["Mathematical Institute of Charles University, The Faculty of Mathematics and Physics, Charles University, Sokolovsk\u00e1 83, Karl\u00edn, 186 75, Praha 8, Czech Republic","Charles University,"],"affiliations":[{"raw_affiliation_string":"Mathematical Institute of Charles University, The Faculty of Mathematics and Physics, Charles University, Sokolovsk\u00e1 83, Karl\u00edn, 186 75, Praha 8, Czech Republic","institution_ids":["https://openalex.org/I21250087"]},{"raw_affiliation_string":"Charles University,","institution_ids":["https://openalex.org/I21250087"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5031559202"],"corresponding_institution_ids":["https://openalex.org/I21250087"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14191966,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"23","issue":"3","first_page":"337","last_page":"363"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9987999796867371,"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":0.9987999796867371,"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/T10896","display_name":"Homotopy and Cohomology in Algebraic Topology","score":0.9919999837875366,"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/T11703","display_name":"Rings, Modules, and Algebras","score":0.9571999907493591,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/functor","display_name":"Functor","score":0.8241567015647888},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7899506688117981},{"id":"https://openalex.org/keywords/cardinality","display_name":"Cardinality (data modeling)","score":0.6702572107315063},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.589786946773529},{"id":"https://openalex.org/keywords/finitary","display_name":"Finitary","score":0.5523916482925415},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4821133613586426},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.46338972449302673}],"concepts":[{"id":"https://openalex.org/C156772000","wikidata":"https://www.wikidata.org/wiki/Q864475","display_name":"Functor","level":2,"score":0.8241567015647888},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7899506688117981},{"id":"https://openalex.org/C87117476","wikidata":"https://www.wikidata.org/wiki/Q362383","display_name":"Cardinality (data modeling)","level":2,"score":0.6702572107315063},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.589786946773529},{"id":"https://openalex.org/C2778003309","wikidata":"https://www.wikidata.org/wiki/Q5450381","display_name":"Finitary","level":2,"score":0.5523916482925415},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4821133613586426},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.46338972449302673},{"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s10485-014-9367-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10485-014-9367-6","pdf_url":null,"source":{"id":"https://openalex.org/S148906134","display_name":"Applied Categorical Structures","issn_l":"0927-2852","issn":["0927-2852","1572-9095"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Categorical Structures","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W36588815","https://openalex.org/W58649214","https://openalex.org/W111273900","https://openalex.org/W113084220","https://openalex.org/W144740627","https://openalex.org/W187570007","https://openalex.org/W433582805","https://openalex.org/W975199251","https://openalex.org/W1033816943","https://openalex.org/W1515233827","https://openalex.org/W1548663088","https://openalex.org/W1983437996","https://openalex.org/W1997693101","https://openalex.org/W2205977240","https://openalex.org/W2326155258","https://openalex.org/W2800778781","https://openalex.org/W4230130226","https://openalex.org/W4237365407","https://openalex.org/W4285719527","https://openalex.org/W4302849233"],"related_works":["https://openalex.org/W2976590292","https://openalex.org/W4288102793","https://openalex.org/W2107846795","https://openalex.org/W2004318671","https://openalex.org/W2042266169","https://openalex.org/W1992225819","https://openalex.org/W4364379828","https://openalex.org/W4386101755","https://openalex.org/W24519920","https://openalex.org/W2087778462"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}