{"id":"https://openalex.org/W1595917267","doi":"https://doi.org/10.1007/s10998-015-0093-0","title":"On the endomorphism rings of abelian groups and their Jacobson radical","display_name":"On the endomorphism rings of abelian groups and their Jacobson radical","publication_year":2015,"publication_date":"2015-08-19","ids":{"openalex":"https://openalex.org/W1595917267","doi":"https://doi.org/10.1007/s10998-015-0093-0","mag":"1595917267"},"language":"en","primary_location":{"id":"doi:10.1007/s10998-015-0093-0","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10998-015-0093-0","pdf_url":null,"source":{"id":"https://openalex.org/S106707257","display_name":"Periodica Mathematica Hungarica","issn_l":"0031-5303","issn":["0031-5303","1588-2829"],"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":"Periodica Mathematica Hungarica","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://dx.doi.org/10.1007/s10998-015-0093-0","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018764201","display_name":"Victor Bovdi","orcid":"https://orcid.org/0000-0001-5750-163X"},"institutions":[{"id":"https://openalex.org/I201726411","display_name":"United Arab Emirates University","ror":"https://ror.org/01km6p862","country_code":"AE","type":"education","lineage":["https://openalex.org/I201726411"]}],"countries":["AE"],"is_corresponding":true,"raw_author_name":"Victor Bovdi","raw_affiliation_strings":["Department of Mathematical Sciences, UAE University, Al-Ain, United Arab Emirates","UAE University"],"affiliations":[{"raw_affiliation_string":"Department of Mathematical Sciences, UAE University, Al-Ain, United Arab Emirates","institution_ids":["https://openalex.org/I201726411"]},{"raw_affiliation_string":"UAE University","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041443726","display_name":"A. Grishkov","orcid":"https://orcid.org/0000-0002-7406-1944"},"institutions":[{"id":"https://openalex.org/I155501849","display_name":"Instituto Mau\u00e1 de Tecnologia","ror":"https://ror.org/01crvtj80","country_code":"BR","type":"education","lineage":["https://openalex.org/I155501849"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alexander Grishkov","raw_affiliation_strings":["IME, USP, Rua do Matao, 1010 \u2013 Citade Universit\u00e0ria, S\u00e3o Paulo, CEP 05508-090, Brazil","IME, USP"],"affiliations":[{"raw_affiliation_string":"IME, USP, Rua do Matao, 1010 \u2013 Citade Universit\u00e0ria, S\u00e3o Paulo, CEP 05508-090, Brazil","institution_ids":["https://openalex.org/I155501849"]},{"raw_affiliation_string":"IME, USP","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044580146","display_name":"Mihail Ursul","orcid":"https://orcid.org/0000-0003-4744-0890"},"institutions":[{"id":"https://openalex.org/I119444370","display_name":"Papua New Guinea University of Technology","ror":"https://ror.org/012g45386","country_code":"PG","type":"education","lineage":["https://openalex.org/I119444370"]}],"countries":["PG"],"is_corresponding":false,"raw_author_name":"Mihail Ursul","raw_affiliation_strings":["Department of Mathematics and Computer Science, University of Technology, Lae, Papua New Guinea"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, University of Technology, Lae, Papua New Guinea","institution_ids":["https://openalex.org/I119444370"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5018764201"],"corresponding_institution_ids":["https://openalex.org/I201726411"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04185541,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"71","issue":"2","first_page":"155","last_page":"165"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.9951000213623047,"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":0.9951000213623047,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.9021999835968018,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8600636720657349},{"id":"https://openalex.org/keywords/endomorphism","display_name":"Endomorphism","score":0.794373631477356},{"id":"https://openalex.org/keywords/endomorphism-ring","display_name":"Endomorphism ring","score":0.6596484184265137},{"id":"https://openalex.org/keywords/jacobson-radical","display_name":"Jacobson radical","score":0.6394010186195374},{"id":"https://openalex.org/keywords/abelian-group","display_name":"Abelian group","score":0.6346572041511536},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5621913075447083},{"id":"https://openalex.org/keywords/metrization-theorem","display_name":"Metrization theorem","score":0.5254057049751282},{"id":"https://openalex.org/keywords/ring","display_name":"Ring (chemistry)","score":0.4994645118713379},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.47593072056770325},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.42513808608055115},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3869806230068207},{"id":"https://openalex.org/keywords/separable-space","display_name":"Separable space","score":0.14187252521514893},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.05475503206253052}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8600636720657349},{"id":"https://openalex.org/C116858840","wikidata":"https://www.wikidata.org/wiki/Q1340800","display_name":"Endomorphism","level":2,"score":0.794373631477356},{"id":"https://openalex.org/C2778153370","wikidata":"https://www.wikidata.org/wiki/Q2896709","display_name":"Endomorphism ring","level":3,"score":0.6596484184265137},{"id":"https://openalex.org/C129478007","wikidata":"https://www.wikidata.org/wiki/Q1677769","display_name":"Jacobson radical","level":3,"score":0.6394010186195374},{"id":"https://openalex.org/C136170076","wikidata":"https://www.wikidata.org/wiki/Q181296","display_name":"Abelian group","level":2,"score":0.6346572041511536},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5621913075447083},{"id":"https://openalex.org/C105433845","wikidata":"https://www.wikidata.org/wiki/Q1194053","display_name":"Metrization theorem","level":3,"score":0.5254057049751282},{"id":"https://openalex.org/C2780378348","wikidata":"https://www.wikidata.org/wiki/Q25351438","display_name":"Ring (chemistry)","level":2,"score":0.4994645118713379},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.47593072056770325},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.42513808608055115},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3869806230068207},{"id":"https://openalex.org/C70710897","wikidata":"https://www.wikidata.org/wiki/Q680081","display_name":"Separable space","level":2,"score":0.14187252521514893},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.05475503206253052},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic 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":3,"locations":[{"id":"doi:10.1007/s10998-015-0093-0","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10998-015-0093-0","pdf_url":null,"source":{"id":"https://openalex.org/S106707257","display_name":"Periodica Mathematica Hungarica","issn_l":"0031-5303","issn":["0031-5303","1588-2829"],"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":"Periodica Mathematica Hungarica","raw_type":"journal-article"},{"id":"pmh:002714452","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1007/s10998-015-0093-0","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da USP (Biblioteca Digital da Produ\u00e7\u00e3o Intelectual)","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.768.8265","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.768.8265","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/1407.1362.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:002714452","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1007/s10998-015-0093-0","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da USP (Biblioteca Digital da Produ\u00e7\u00e3o Intelectual)","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320997","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","ror":"https://ror.org/02ddkpn78"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W591591544","https://openalex.org/W1491837590","https://openalex.org/W1589394763","https://openalex.org/W1970210895","https://openalex.org/W1975242213","https://openalex.org/W1977871588","https://openalex.org/W1988497384","https://openalex.org/W1993204949","https://openalex.org/W1995778074","https://openalex.org/W2012290678","https://openalex.org/W2022845231","https://openalex.org/W2025038761","https://openalex.org/W2029138855","https://openalex.org/W2060210941","https://openalex.org/W2324598959","https://openalex.org/W2332030618","https://openalex.org/W2334080892","https://openalex.org/W2912036644","https://openalex.org/W3161441185","https://openalex.org/W4236867418"],"related_works":["https://openalex.org/W28115722","https://openalex.org/W2997953201","https://openalex.org/W2105954327","https://openalex.org/W3128535571","https://openalex.org/W69393089","https://openalex.org/W2922584942","https://openalex.org/W1972799566","https://openalex.org/W2038105718","https://openalex.org/W2092521296","https://openalex.org/W2108900018"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}