{"id":"https://openalex.org/W172045001","doi":"https://doi.org/10.1007/978-1-4471-0717-0_9","title":"Pseudo-BCK Algebras: An Extension of BCK Algebras","display_name":"Pseudo-BCK Algebras: An Extension of BCK Algebras","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W172045001","doi":"https://doi.org/10.1007/978-1-4471-0717-0_9","mag":"172045001"},"language":"en","primary_location":{"id":"doi:10.1007/978-1-4471-0717-0_9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-1-4471-0717-0_9","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorics, Computability and Logic","raw_type":"book-chapter"},"type":"book-chapter","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/A5102827966","display_name":"George Georgescu","orcid":"https://orcid.org/0000-0003-2294-6289"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"George Georgescu","raw_affiliation_strings":["Institute of Mathematics, Bucharest, Romania"],"affiliations":[{"raw_affiliation_string":"Institute of Mathematics, Bucharest, Romania","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078463828","display_name":"Afrodita Iorgulescu","orcid":null},"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":"Afrodita Iorgulescu","raw_affiliation_strings":["Department of Computer Science, Academy of Economic Studies, Bucharest, Romania"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Academy of Economic Studies, Bucharest, Romania","institution_ids":["https://openalex.org/I88491126"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5102827966"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.0968,"has_fulltext":false,"cited_by_count":133,"citation_normalized_percentile":{"value":0.84905092,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"97","last_page":"114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T11671","display_name":"Fuzzy and Soft Set Theory","score":0.992900013923645,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9886000156402588,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6501046419143677},{"id":"https://openalex.org/keywords/interior-algebra","display_name":"Interior algebra","score":0.5799320340156555},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.5779348611831665},{"id":"https://openalex.org/keywords/non-associative-algebra","display_name":"Non-associative algebra","score":0.46201813220977783},{"id":"https://openalex.org/keywords/connection","display_name":"Connection (principal bundle)","score":0.45971158146858215},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.44700056314468384},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.41979148983955383},{"id":"https://openalex.org/keywords/nest-algebra","display_name":"Nest algebra","score":0.41024649143218994},{"id":"https://openalex.org/keywords/algebra-representation","display_name":"Algebra representation","score":0.23707932233810425},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.18540671467781067}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6501046419143677},{"id":"https://openalex.org/C203254541","wikidata":"https://www.wikidata.org/wiki/Q10894825","display_name":"Interior algebra","level":5,"score":0.5799320340156555},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.5779348611831665},{"id":"https://openalex.org/C518143113","wikidata":"https://www.wikidata.org/wiki/Q4391941","display_name":"Non-associative algebra","level":4,"score":0.46201813220977783},{"id":"https://openalex.org/C13355873","wikidata":"https://www.wikidata.org/wiki/Q2920850","display_name":"Connection (principal bundle)","level":2,"score":0.45971158146858215},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.44700056314468384},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.41979148983955383},{"id":"https://openalex.org/C207264727","wikidata":"https://www.wikidata.org/wiki/Q6997759","display_name":"Nest algebra","level":5,"score":0.41024649143218994},{"id":"https://openalex.org/C14394260","wikidata":"https://www.wikidata.org/wiki/Q4723980","display_name":"Algebra representation","level":3,"score":0.23707932233810425},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.18540671467781067},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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:10.1007/978-1-4471-0717-0_9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-1-4471-0717-0_9","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorics, Computability and Logic","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1538038291","https://openalex.org/W1566552629","https://openalex.org/W1979726628","https://openalex.org/W1985104705","https://openalex.org/W2012072427","https://openalex.org/W2024065710","https://openalex.org/W2046701989","https://openalex.org/W2078688875","https://openalex.org/W2110182592","https://openalex.org/W2338454682","https://openalex.org/W2339822315","https://openalex.org/W2340110558","https://openalex.org/W4246378692","https://openalex.org/W6634700139"],"related_works":["https://openalex.org/W2129239480","https://openalex.org/W1871060787","https://openalex.org/W4297804032","https://openalex.org/W138371909","https://openalex.org/W2389970742","https://openalex.org/W2945617276","https://openalex.org/W947423921","https://openalex.org/W2322840450","https://openalex.org/W4387061410","https://openalex.org/W2089380290"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
