{"id":"https://openalex.org/W2123702023","doi":"https://doi.org/10.1007/s10485-006-9048-1","title":"Relative Regular Objects in Categories","display_name":"Relative Regular Objects in Categories","publication_year":2006,"publication_date":"2006-11-14","ids":{"openalex":"https://openalex.org/W2123702023","doi":"https://doi.org/10.1007/s10485-006-9048-1","mag":"2123702023"},"language":"en","primary_location":{"id":"doi:10.1007/s10485-006-9048-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10485-006-9048-1","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/A5037476567","display_name":"S. D\u01cesc\u01celescu","orcid":null},"institutions":[{"id":"https://openalex.org/I141595442","display_name":"University of Bucharest","ror":"https://ror.org/02x2v6p15","country_code":"RO","type":"education","lineage":["https://openalex.org/I141595442"]}],"countries":["RO"],"is_corresponding":true,"raw_author_name":"S. D\u0103sc\u0103lescu","raw_affiliation_strings":["University of Bucharest, Facultatea de Matematic\u0103, Str. Academiei 14, Bucharest 1, RO-010014, Romania","Facultatea de Matematic\u0103"],"affiliations":[{"raw_affiliation_string":"University of Bucharest, Facultatea de Matematic\u0103, Str. Academiei 14, Bucharest 1, RO-010014, Romania","institution_ids":["https://openalex.org/I141595442"]},{"raw_affiliation_string":"Facultatea de Matematic\u0103","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006709447","display_name":"C. N\u0103st\u0103sescu","orcid":null},"institutions":[{"id":"https://openalex.org/I141595442","display_name":"University of Bucharest","ror":"https://ror.org/02x2v6p15","country_code":"RO","type":"education","lineage":["https://openalex.org/I141595442"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"C. N\u0103st\u0103sescu","raw_affiliation_strings":["University of Bucharest, Facultatea de Matematic\u0103, Str. Academiei 14, Bucharest 1, RO-010014, Romania","Facultatea de Matematic\u0103"],"affiliations":[{"raw_affiliation_string":"University of Bucharest, Facultatea de Matematic\u0103, Str. Academiei 14, Bucharest 1, RO-010014, Romania","institution_ids":["https://openalex.org/I141595442"]},{"raw_affiliation_string":"Facultatea de Matematic\u0103","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000113607","display_name":"Alexandru Tudorache","orcid":"https://orcid.org/0000-0003-0151-505X"},"institutions":[{"id":"https://openalex.org/I88491126","display_name":"Bucharest University of Economic Studies","ror":"https://ror.org/04yvncj21","country_code":"RO","type":"education","lineage":["https://openalex.org/I88491126"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"A. Tudorache","raw_affiliation_strings":["Universitatea de \u015etiin\u0163e Economice, Bucharest, Romania","Universitatea de \u015etiin\u0163e Economice"],"affiliations":[{"raw_affiliation_string":"Universitatea de \u015etiin\u0163e Economice, Bucharest, Romania","institution_ids":["https://openalex.org/I88491126"]},{"raw_affiliation_string":"Universitatea de \u015etiin\u0163e Economice","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071898569","display_name":"Leonard D\u0103u\u015f","orcid":"https://orcid.org/0000-0002-2770-023X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. D\u0103u\u015f","raw_affiliation_strings":["Universitatea de Construc\u0163ii, Bucharest, Romania","Universitatea de Construc\u0163ii"],"affiliations":[{"raw_affiliation_string":"Universitatea de Construc\u0163ii, Bucharest, Romania","institution_ids":[]},{"raw_affiliation_string":"Universitatea de Construc\u0163ii","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5037476567"],"corresponding_institution_ids":["https://openalex.org/I141595442"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":1.7438,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.84342066,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"14","issue":"5-6","first_page":"567","last_page":"577"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.9947999715805054,"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"}},"topics":[{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.9947999715805054,"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"}},{"id":"https://openalex.org/T10287","display_name":"Algebraic structures and combinatorial models","score":0.9922999739646912,"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":0.9692000150680542,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.779005765914917},{"id":"https://openalex.org/keywords/abelian-category","display_name":"Abelian category","score":0.6653754711151123},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.6380867958068848},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.584261417388916},{"id":"https://openalex.org/keywords/category-theory","display_name":"Category theory","score":0.5770199298858643},{"id":"https://openalex.org/keywords/theory-of-computation","display_name":"Theory of computation","score":0.5453802943229675},{"id":"https://openalex.org/keywords/link","display_name":"Link (geometry)","score":0.5038079619407654},{"id":"https://openalex.org/keywords/isomorphism","display_name":"Isomorphism (crystallography)","score":0.48293253779411316},{"id":"https://openalex.org/keywords/coalgebra","display_name":"Coalgebra","score":0.46796852350234985},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.46750175952911377},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.44450661540031433},{"id":"https://openalex.org/keywords/abelian-group","display_name":"Abelian group","score":0.4429548680782318},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.19534868001937866},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.17603382468223572},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.13914111256599426},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11555498838424683},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.09359875321388245}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.779005765914917},{"id":"https://openalex.org/C186921422","wikidata":"https://www.wikidata.org/wiki/Q318737","display_name":"Abelian category","level":3,"score":0.6653754711151123},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.6380867958068848},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.584261417388916},{"id":"https://openalex.org/C54884031","wikidata":"https://www.wikidata.org/wiki/Q217413","display_name":"Category theory","level":2,"score":0.5770199298858643},{"id":"https://openalex.org/C24858836","wikidata":"https://www.wikidata.org/wiki/Q844718","display_name":"Theory of computation","level":2,"score":0.5453802943229675},{"id":"https://openalex.org/C2778753846","wikidata":"https://www.wikidata.org/wiki/Q6554239","display_name":"Link (geometry)","level":2,"score":0.5038079619407654},{"id":"https://openalex.org/C203436722","wikidata":"https://www.wikidata.org/wiki/Q902950","display_name":"Isomorphism (crystallography)","level":3,"score":0.48293253779411316},{"id":"https://openalex.org/C2778249326","wikidata":"https://www.wikidata.org/wiki/Q1777803","display_name":"Coalgebra","level":3,"score":0.46796852350234985},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.46750175952911377},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.44450661540031433},{"id":"https://openalex.org/C136170076","wikidata":"https://www.wikidata.org/wiki/Q181296","display_name":"Abelian group","level":2,"score":0.4429548680782318},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.19534868001937866},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17603382468223572},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.13914111256599426},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11555498838424683},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.09359875321388245},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","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/C115624301","wikidata":"https://www.wikidata.org/wiki/Q895901","display_name":"Crystal structure","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s10485-006-9048-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10485-006-9048-1","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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.239.3578","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.239.3578","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/math/0605606v1.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W326622104","https://openalex.org/W1553554435","https://openalex.org/W1603686988","https://openalex.org/W2004736333","https://openalex.org/W2128978199","https://openalex.org/W2332081834","https://openalex.org/W2970283663","https://openalex.org/W4256560607"],"related_works":["https://openalex.org/W2104603764","https://openalex.org/W1966145112","https://openalex.org/W1982005844","https://openalex.org/W2621822710","https://openalex.org/W2952382513","https://openalex.org/W2737177195","https://openalex.org/W429642261","https://openalex.org/W2098457963","https://openalex.org/W2913248536","https://openalex.org/W2966948930"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
