{"id":"https://openalex.org/W1970811272","doi":"https://doi.org/10.1155/2011/986748","title":"Common Coupled Fixed-Point Theorems in Generalized Fuzzy Metric Spaces","display_name":"Common Coupled Fixed-Point Theorems in Generalized Fuzzy Metric Spaces","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W1970811272","doi":"https://doi.org/10.1155/2011/986748","mag":"1970811272"},"language":"en","primary_location":{"id":"doi:10.1155/2011/986748","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2011/986748","pdf_url":"https://downloads.hindawi.com/journals/afs/2011/986748.pdf","source":{"id":"https://openalex.org/S117816480","display_name":"Advances in Fuzzy Systems","issn_l":"1687-7101","issn":["1687-7101","1687-711X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Fuzzy Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://downloads.hindawi.com/journals/afs/2011/986748.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012800380","display_name":"K. P. R. Rao","orcid":"https://orcid.org/0000-0002-0698-5889"},"institutions":[{"id":"https://openalex.org/I177001074","display_name":"Acharya Nagarjuna University","ror":"https://ror.org/02mfapa96","country_code":"IN","type":"education","lineage":["https://openalex.org/I177001074"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"K. P. R. Rao","raw_affiliation_strings":["Department of Mathematics, Acharya Nagarjuna University, Dr. M.R. Appa Row Campus, Nuzvid 521 201, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Acharya Nagarjuna University, Dr. M.R. Appa Row Campus, Nuzvid 521 201, India","institution_ids":["https://openalex.org/I177001074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012489549","display_name":"\u0130shak Altun","orcid":"https://orcid.org/0000-0002-7967-0554"},"institutions":[{"id":"https://openalex.org/I45642913","display_name":"K\u0131r\u0131kkale University","ror":"https://ror.org/01zhwwf82","country_code":"TR","type":"education","lineage":["https://openalex.org/I45642913"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"I. Altun","raw_affiliation_strings":["Department of Mathematics, Faculty of Science and Arts, Kirikkale University, 71450 Yahsihan, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of Science and Arts, Kirikkale University, 71450 Yahsihan, Turkey","institution_ids":["https://openalex.org/I45642913"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010101351","display_name":"S. Hima Bindu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Hima Bindu","raw_affiliation_strings":["Department of Mathematics, CH. S.D. St. Theresa's Junior College for Women, Eluru 534 001, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, CH. S.D. St. Theresa's Junior College for Women, Eluru 534 001, India","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5012800380"],"corresponding_institution_ids":["https://openalex.org/I177001074"],"apc_list":{"value":925,"currency":"USD","value_usd":925},"apc_paid":{"value":925,"currency":"USD","value_usd":925},"fwci":1.0575,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.73255302,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2011","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11777","display_name":"Fixed Point Theorems Analysis","score":0.9998999834060669,"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/T11777","display_name":"Fixed Point Theorems Analysis","score":0.9998999834060669,"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":0.6160393357276917},{"id":"https://openalex.org/keywords/fixed-point","display_name":"Fixed point","score":0.6117122769355774},{"id":"https://openalex.org/keywords/metric-space","display_name":"Metric space","score":0.5995160341262817},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.5896335244178772},{"id":"https://openalex.org/keywords/fixed-point-theorem","display_name":"Fixed-point theorem","score":0.554909348487854},{"id":"https://openalex.org/keywords/fuzzy-logic","display_name":"Fuzzy logic","score":0.5269618630409241},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.500859260559082},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.47445330023765564},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3718405067920685},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.31501054763793945},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.19965416193008423},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10354024171829224},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.04440084099769592}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6160393357276917},{"id":"https://openalex.org/C61445026","wikidata":"https://www.wikidata.org/wiki/Q217608","display_name":"Fixed point","level":2,"score":0.6117122769355774},{"id":"https://openalex.org/C198043062","wikidata":"https://www.wikidata.org/wiki/Q180953","display_name":"Metric space","level":2,"score":0.5995160341262817},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.5896335244178772},{"id":"https://openalex.org/C45962547","wikidata":"https://www.wikidata.org/wiki/Q1422068","display_name":"Fixed-point theorem","level":2,"score":0.554909348487854},{"id":"https://openalex.org/C58166","wikidata":"https://www.wikidata.org/wiki/Q224821","display_name":"Fuzzy logic","level":2,"score":0.5269618630409241},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.500859260559082},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.47445330023765564},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3718405067920685},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.31501054763793945},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19965416193008423},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10354024171829224},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.04440084099769592},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2011/986748","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2011/986748","pdf_url":"https://downloads.hindawi.com/journals/afs/2011/986748.pdf","source":{"id":"https://openalex.org/S117816480","display_name":"Advances in Fuzzy Systems","issn_l":"1687-7101","issn":["1687-7101","1687-711X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Fuzzy Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:fb98dcc9b7164c23b9ea960dd044008f","is_oa":true,"landing_page_url":"https://doaj.org/article/fb98dcc9b7164c23b9ea960dd044008f","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Advances in Fuzzy Systems, Vol 2011 (2011)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2011/986748","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2011/986748","pdf_url":"https://downloads.hindawi.com/journals/afs/2011/986748.pdf","source":{"id":"https://openalex.org/S117816480","display_name":"Advances in Fuzzy Systems","issn_l":"1687-7101","issn":["1687-7101","1687-711X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Advances in Fuzzy Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1970811272.pdf","grobid_xml":"https://content.openalex.org/works/W1970811272.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1536456344","https://openalex.org/W1969576911","https://openalex.org/W1981868860","https://openalex.org/W1983041206","https://openalex.org/W2013670783","https://openalex.org/W2026050640","https://openalex.org/W2055280462","https://openalex.org/W2068666235","https://openalex.org/W2093510613","https://openalex.org/W2093951788","https://openalex.org/W2122440577","https://openalex.org/W2185473923","https://openalex.org/W2551682242","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2846516035","https://openalex.org/W4249977926","https://openalex.org/W2585118952","https://openalex.org/W2012141574","https://openalex.org/W1606221119","https://openalex.org/W2354765335","https://openalex.org/W3123504591","https://openalex.org/W2369544116","https://openalex.org/W1691643469","https://openalex.org/W2985828462"],"abstract_inverted_index":{"We":[0],"prove":[1],"two":[2],"unique":[3],"common":[4],"coupled":[5],"fixed-point":[6],"theorems":[7],"for":[8],"self":[9],"maps":[10],"in":[11],"symmetric":[12],"G":[13],"-fuzzy":[14],"metric":[15],"spaces.":[16]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}