{"id":"https://openalex.org/W2014615608","doi":"https://doi.org/10.1016/s0165-0114(97)00034-1","title":"Minimization theorems and fixed point theorems in generating spaces of quasi-metric family","display_name":"Minimization theorems and fixed point theorems in generating spaces of quasi-metric family","publication_year":1999,"publication_date":"1999-01-01","ids":{"openalex":"https://openalex.org/W2014615608","doi":"https://doi.org/10.1016/s0165-0114(97)00034-1","mag":"2014615608"},"language":"en","primary_location":{"id":"doi:10.1016/s0165-0114(97)00034-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0165-0114(97)00034-1","pdf_url":null,"source":{"id":"https://openalex.org/S169411308","display_name":"Fuzzy Sets and Systems","issn_l":"0165-0114","issn":["0165-0114","1872-6801"],"is_oa":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fuzzy Sets and Systems","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/A5026737492","display_name":"Gue-Myung Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I8991828","display_name":"Pukyong National University","ror":"https://ror.org/0433kqc49","country_code":"KR","type":"education","lineage":["https://openalex.org/I8991828"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Gue Myung Lee","raw_affiliation_strings":["Department of Applied Mathematics, Pukyong National University, 599-1 Daeyeon-dong, Nam-gu, Pusan 608-737, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, Pukyong National University, 599-1 Daeyeon-dong, Nam-gu, Pusan 608-737, South Korea","institution_ids":["https://openalex.org/I8991828"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083977202","display_name":"Byung Soo Lee","orcid":"https://orcid.org/0000-0002-9149-1495"},"institutions":[{"id":"https://openalex.org/I118722661","display_name":"Kyungsung University","ror":"https://ror.org/05h9pgm95","country_code":"KR","type":"education","lineage":["https://openalex.org/I118722661"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Byung Soo Lee","raw_affiliation_strings":["Department of Mathematics, Kyungsung University, 110-1 Daeyeon-dong, Nam-gu, Pusan 608-736, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Kyungsung University, 110-1 Daeyeon-dong, Nam-gu, Pusan 608-736, South Korea","institution_ids":["https://openalex.org/I118722661"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101986531","display_name":"Jong Soo Jung","orcid":"https://orcid.org/0000-0002-9557-1185"},"institutions":[{"id":"https://openalex.org/I51226738","display_name":"Dong-A University","ror":"https://ror.org/03qvtpc38","country_code":"KR","type":"education","lineage":["https://openalex.org/I51226738"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jong Soo Jung","raw_affiliation_strings":["Department of Mathematics, Dong-A University, Pusan 604-714, South Korea","Department of Mathematics, Dong-A University, Pusan, 604-714, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Dong-A University, Pusan 604-714, South Korea","institution_ids":["https://openalex.org/I51226738"]},{"raw_affiliation_string":"Department of Mathematics, Dong-A University, Pusan, 604-714, South Korea","institution_ids":["https://openalex.org/I51226738"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102157579","display_name":"Shih-sen Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shih-sen Chang","raw_affiliation_strings":["Department of Mathematics, Sichuan University, Chengdu, Sichuan 610064, People's Republic of China","Department of mathematics, Sichuan University, Chengdu, Sichuan 610064, People\u2019s Republic of China"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Sichuan University, Chengdu, Sichuan 610064, People's Republic of China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"Department of mathematics, Sichuan University, Chengdu, Sichuan 610064, People\u2019s Republic of China","institution_ids":["https://openalex.org/I24185976"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5026737492"],"corresponding_institution_ids":["https://openalex.org/I8991828"],"apc_list":{"value":2600,"currency":"USD","value_usd":2600},"apc_paid":null,"fwci":0.4979,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.58161866,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"101","issue":"1","first_page":"143","last_page":"152"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11777","display_name":"Fixed Point Theorems Analysis","score":0.9998000264167786,"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":0.9998000264167786,"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/T13080","display_name":"Advanced Differential Geometry Research","score":0.949999988079071,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8966162204742432},{"id":"https://openalex.org/keywords/metric-space","display_name":"Metric space","score":0.6945263147354126},{"id":"https://openalex.org/keywords/fixed-point-theorem","display_name":"Fixed-point theorem","score":0.636612594127655},{"id":"https://openalex.org/keywords/convex-metric-space","display_name":"Convex metric space","score":0.5375321507453918},{"id":"https://openalex.org/keywords/injective-metric-space","display_name":"Injective metric space","score":0.4885014295578003},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.47400009632110596},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.4521862864494324},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.44053977727890015},{"id":"https://openalex.org/keywords/complete-metric-space","display_name":"Complete metric space","score":0.41642555594444275},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3901054859161377}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8966162204742432},{"id":"https://openalex.org/C198043062","wikidata":"https://www.wikidata.org/wiki/Q180953","display_name":"Metric space","level":2,"score":0.6945263147354126},{"id":"https://openalex.org/C45962547","wikidata":"https://www.wikidata.org/wiki/Q1422068","display_name":"Fixed-point theorem","level":2,"score":0.636612594127655},{"id":"https://openalex.org/C196613150","wikidata":"https://www.wikidata.org/wiki/Q3966092","display_name":"Convex metric space","level":3,"score":0.5375321507453918},{"id":"https://openalex.org/C177547787","wikidata":"https://www.wikidata.org/wiki/Q6034319","display_name":"Injective metric space","level":3,"score":0.4885014295578003},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.47400009632110596},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.4521862864494324},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.44053977727890015},{"id":"https://openalex.org/C93361540","wikidata":"https://www.wikidata.org/wiki/Q848569","display_name":"Complete metric space","level":3,"score":0.41642555594444275},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3901054859161377},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0165-0114(97)00034-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0165-0114(97)00034-1","pdf_url":null,"source":{"id":"https://openalex.org/S169411308","display_name":"Fuzzy Sets and Systems","issn_l":"0165-0114","issn":["0165-0114","1872-6801"],"is_oa":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fuzzy Sets and Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G465789452","display_name":null,"funder_award_id":"BSRI-96-1405","funder_id":"https://openalex.org/F4320321408","funder_display_name":"Ministry of Education"},{"id":"https://openalex.org/G7589804010","display_name":null,"funder_award_id":"95-1996","funder_id":"https://openalex.org/F4320322348","funder_display_name":"Korea Science and Engineering Foundation"},{"id":"https://openalex.org/G8819971491","display_name":null,"funder_award_id":"BSRI-96-1440","funder_id":"https://openalex.org/F4320322348","funder_display_name":"Korea Science and Engineering Foundation"}],"funders":[{"id":"https://openalex.org/F4320321408","display_name":"Ministry of Education","ror":"https://ror.org/01p262204"},{"id":"https://openalex.org/F4320322348","display_name":"Korea Science and Engineering Foundation","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W591395","https://openalex.org/W1504777887","https://openalex.org/W1743587967","https://openalex.org/W1968172834","https://openalex.org/W1977750299","https://openalex.org/W1995087034","https://openalex.org/W2008230680","https://openalex.org/W2013871828","https://openalex.org/W2038119776","https://openalex.org/W2059917091","https://openalex.org/W2085706830","https://openalex.org/W2502261143","https://openalex.org/W3139030910","https://openalex.org/W6637843209"],"related_works":["https://openalex.org/W2398868469","https://openalex.org/W2001114394","https://openalex.org/W2170631455","https://openalex.org/W2291453617","https://openalex.org/W4297833754","https://openalex.org/W3039282288","https://openalex.org/W1492993649","https://openalex.org/W1988018606","https://openalex.org/W2929254961","https://openalex.org/W4283690178"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}