{"id":"https://openalex.org/W2063229872","doi":"https://doi.org/10.1016/s1571-0661(04)80373-6","title":"A Note on Coalgebras and Presheaves","display_name":"A Note on Coalgebras and Presheaves","publication_year":2002,"publication_date":"2002-10-01","ids":{"openalex":"https://openalex.org/W2063229872","doi":"https://doi.org/10.1016/s1571-0661(04)80373-6","mag":"2063229872"},"language":"en","primary_location":{"id":"doi:10.1016/s1571-0661(04)80373-6","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)80373-6","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1016/s1571-0661(04)80373-6","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068165188","display_name":"James Worrell","orcid":"https://orcid.org/0000-0001-8151-2443"},"institutions":[{"id":"https://openalex.org/I114832834","display_name":"Tulane University","ror":"https://ror.org/04vmvtb21","country_code":"US","type":"education","lineage":["https://openalex.org/I114832834"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"James Worrell","raw_affiliation_strings":["Department of Mathematics, Tulane University, New Orleans, LA 70118"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Tulane University, New Orleans, LA 70118","institution_ids":["https://openalex.org/I114832834"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5068165188"],"corresponding_institution_ids":["https://openalex.org/I114832834"],"apc_list":null,"apc_paid":null,"fwci":0.4263,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.68913011,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"65","issue":"1","first_page":"358","last_page":"364"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10126","display_name":"Logic, programming, and type systems","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9837999939918518,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11549","display_name":"Synthetic Organic Chemistry Methods","score":0.970300018787384,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pullback","display_name":"Pullback","score":0.7965103387832642},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7742398381233215},{"id":"https://openalex.org/keywords/functor","display_name":"Functor","score":0.6783400774002075},{"id":"https://openalex.org/keywords/modal","display_name":"Modal","score":0.5398828387260437},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.4437932074069977},{"id":"https://openalex.org/keywords/connection","display_name":"Connection (principal bundle)","score":0.4402502179145813},{"id":"https://openalex.org/keywords/modal-logic","display_name":"Modal logic","score":0.4376258850097656},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.4333415925502777},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3211187422275543},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.04680377244949341}],"concepts":[{"id":"https://openalex.org/C2777680557","wikidata":"https://www.wikidata.org/wiki/Q7259417","display_name":"Pullback","level":2,"score":0.7965103387832642},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7742398381233215},{"id":"https://openalex.org/C156772000","wikidata":"https://www.wikidata.org/wiki/Q864475","display_name":"Functor","level":2,"score":0.6783400774002075},{"id":"https://openalex.org/C71139939","wikidata":"https://www.wikidata.org/wiki/Q910194","display_name":"Modal","level":2,"score":0.5398828387260437},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.4437932074069977},{"id":"https://openalex.org/C13355873","wikidata":"https://www.wikidata.org/wiki/Q2920850","display_name":"Connection (principal bundle)","level":2,"score":0.4402502179145813},{"id":"https://openalex.org/C27508121","wikidata":"https://www.wikidata.org/wiki/Q210841","display_name":"Modal logic","level":3,"score":0.4376258850097656},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.4333415925502777},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3211187422275543},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.04680377244949341},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s1571-0661(04)80373-6","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)80373-6","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.609.999","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.609.999","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.indiana.edu/cmcs/entcs/thevolume/entcs65.1018.pdf","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1016/s1571-0661(04)80373-6","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)80373-6","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W28656058","https://openalex.org/W823132808","https://openalex.org/W2092786729","https://openalex.org/W2122667779","https://openalex.org/W2131478756","https://openalex.org/W2587256088","https://openalex.org/W6601181045","https://openalex.org/W6623327223"],"related_works":["https://openalex.org/W2607447506","https://openalex.org/W2028144918","https://openalex.org/W2598145227","https://openalex.org/W2325566304","https://openalex.org/W3016746667","https://openalex.org/W1587059467","https://openalex.org/W3037806110","https://openalex.org/W119381390","https://openalex.org/W2983630730","https://openalex.org/W4287907471"],"abstract_inverted_index":{"We":[0],"show":[1],"that":[2],"the":[3],"category":[4,14,20],"of":[5,7,15,21,31],"coalgebras":[6,32],"a":[8,13,19,25],"wide-pullback":[9],"preserving":[10],"endofunctor":[11],"on":[12],"presheaves":[16],"is":[17],"itself":[18],"presheaves.":[22],"This":[23],"illustrates":[24],"connection":[26],"between":[27],"Jacobs'":[28],"temporal":[29],"logic":[30],"and":[33,35],"Ghilardi":[34],"Meloni's":[36],"presheaf":[37],"semantics":[38],"for":[39],"modal":[40],"logic.":[41]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}