{"id":"https://openalex.org/W4415650699","doi":"https://doi.org/10.1155/ijmm/3251124","title":"An Improvement of Recent Fixed Point Results in Double\u2010Composed Partial Metric Spaces","display_name":"An Improvement of Recent Fixed Point Results in Double\u2010Composed Partial Metric Spaces","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4415650699","doi":"https://doi.org/10.1155/ijmm/3251124"},"language":"en","primary_location":{"id":"doi:10.1155/ijmm/3251124","is_oa":true,"landing_page_url":"https://doi.org/10.1155/ijmm/3251124","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/ijmm/3251124","source":{"id":"https://openalex.org/S151851439","display_name":"International Journal of Mathematics and Mathematical Sciences","issn_l":"0161-1712","issn":["0161-1712","1687-0425"],"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":"International Journal of Mathematics and Mathematical Sciences","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/ijmm/3251124","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5107182589","display_name":"Chol Jin Kil","orcid":"https://orcid.org/0009-0008-9236-7139"},"institutions":[{"id":"https://openalex.org/I344333522","display_name":"Kim Chaek University of Technology","ror":"https://ror.org/04vew1z32","country_code":"KP","type":"education","lineage":["https://openalex.org/I344333522"]}],"countries":["KP"],"is_corresponding":true,"raw_author_name":"Chol Jin Kil","raw_affiliation_strings":["Faculty of Applied Mathematics ,  Kim Chaek University of Technology ,  Pyongyang ,  Democratic People\u2019s Republic of Korea , kut.edu.kp"],"raw_orcid":"https://orcid.org/0009-0008-9236-7139","affiliations":[{"raw_affiliation_string":"Faculty of Applied Mathematics ,  Kim Chaek University of Technology ,  Pyongyang ,  Democratic People\u2019s Republic of Korea , kut.edu.kp","institution_ids":["https://openalex.org/I344333522"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5107182589"],"corresponding_institution_ids":["https://openalex.org/I344333522"],"apc_list":{"value":1025,"currency":"USD","value_usd":1025},"apc_paid":{"value":1025,"currency":"USD","value_usd":1025},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.34212373,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2025","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11777","display_name":"Fixed Point Theorems Analysis","score":0.9975000023841858,"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":0.9975000023841858,"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/T10545","display_name":"Optimization and Variational Analysis","score":0.000699999975040555,"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/T10541","display_name":"Nonlinear Differential Equations Analysis","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/fixed-point","display_name":"Fixed point","score":0.7257000207901001},{"id":"https://openalex.org/keywords/metric-space","display_name":"Metric space","score":0.6998999714851379},{"id":"https://openalex.org/keywords/fixed-point-property","display_name":"Fixed-point property","score":0.6680999994277954},{"id":"https://openalex.org/keywords/fixed-point-theorem","display_name":"Fixed-point theorem","score":0.5393999814987183},{"id":"https://openalex.org/keywords/least-fixed-point","display_name":"Least fixed point","score":0.5254999995231628},{"id":"https://openalex.org/keywords/intrinsic-metric","display_name":"Intrinsic metric","score":0.46650001406669617},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.46219998598098755},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.45489999651908875},{"id":"https://openalex.org/keywords/injective-metric-space","display_name":"Injective metric space","score":0.450300008058548}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8985999822616577},{"id":"https://openalex.org/C61445026","wikidata":"https://www.wikidata.org/wiki/Q217608","display_name":"Fixed point","level":2,"score":0.7257000207901001},{"id":"https://openalex.org/C198043062","wikidata":"https://www.wikidata.org/wiki/Q180953","display_name":"Metric space","level":2,"score":0.6998999714851379},{"id":"https://openalex.org/C105720234","wikidata":"https://www.wikidata.org/wiki/Q5456331","display_name":"Fixed-point property","level":3,"score":0.6680999994277954},{"id":"https://openalex.org/C45962547","wikidata":"https://www.wikidata.org/wiki/Q1422068","display_name":"Fixed-point theorem","level":2,"score":0.5393999814987183},{"id":"https://openalex.org/C27333817","wikidata":"https://www.wikidata.org/wiki/Q6134913","display_name":"Least fixed point","level":5,"score":0.5254999995231628},{"id":"https://openalex.org/C41261874","wikidata":"https://www.wikidata.org/wiki/Q3855712","display_name":"Intrinsic metric","level":4,"score":0.46650001406669617},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.46219998598098755},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.45489999651908875},{"id":"https://openalex.org/C177547787","wikidata":"https://www.wikidata.org/wiki/Q6034319","display_name":"Injective metric space","level":3,"score":0.450300008058548},{"id":"https://openalex.org/C196613150","wikidata":"https://www.wikidata.org/wiki/Q3966092","display_name":"Convex metric space","level":3,"score":0.41110000014305115},{"id":"https://openalex.org/C132954091","wikidata":"https://www.wikidata.org/wiki/Q194397","display_name":"Banach space","level":2,"score":0.4090000092983246},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3977000117301941},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3946000039577484},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.3937000036239624},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.3718000054359436},{"id":"https://openalex.org/C2780549194","wikidata":"https://www.wikidata.org/wiki/Q220680","display_name":"Banach fixed-point theorem","level":3,"score":0.3644999861717224},{"id":"https://openalex.org/C93361540","wikidata":"https://www.wikidata.org/wiki/Q848569","display_name":"Complete metric space","level":3,"score":0.3643999993801117},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.3328000009059906},{"id":"https://openalex.org/C157449380","wikidata":"https://www.wikidata.org/wiki/Q1030759","display_name":"Fixed-point iteration","level":3,"score":0.3321000039577484},{"id":"https://openalex.org/C35767895","wikidata":"https://www.wikidata.org/wiki/Q5141583","display_name":"Coincidence point","level":3,"score":0.33070001006126404},{"id":"https://openalex.org/C61067352","wikidata":"https://www.wikidata.org/wiki/Q1897429","display_name":"Ultrametric space","level":3,"score":0.2994999885559082},{"id":"https://openalex.org/C146562557","wikidata":"https://www.wikidata.org/wiki/Q1925669","display_name":"Metric differential","level":5,"score":0.28029999136924744},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.2703999876976013},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.2703000009059906},{"id":"https://openalex.org/C129301229","wikidata":"https://www.wikidata.org/wiki/Q741865","display_name":"Uniform continuity","level":3,"score":0.25119999051094055}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/ijmm/3251124","is_oa":true,"landing_page_url":"https://doi.org/10.1155/ijmm/3251124","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/ijmm/3251124","source":{"id":"https://openalex.org/S151851439","display_name":"International Journal of Mathematics and Mathematical Sciences","issn_l":"0161-1712","issn":["0161-1712","1687-0425"],"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":"International Journal of Mathematics and Mathematical Sciences","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e59ae42fbcd54cd68a23c9d7b78562a2","is_oa":true,"landing_page_url":"https://doaj.org/article/e59ae42fbcd54cd68a23c9d7b78562a2","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":"International Journal of Mathematics and Mathematical Sciences, Vol 2025 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/ijmm/3251124","is_oa":true,"landing_page_url":"https://doi.org/10.1155/ijmm/3251124","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/ijmm/3251124","source":{"id":"https://openalex.org/S151851439","display_name":"International Journal of Mathematics and Mathematical Sciences","issn_l":"0161-1712","issn":["0161-1712","1687-0425"],"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":"International Journal of Mathematics and Mathematical Sciences","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4415650699.pdf"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1979481152","https://openalex.org/W2047277075","https://openalex.org/W2097368200","https://openalex.org/W2793297746","https://openalex.org/W2895762148","https://openalex.org/W2940835363","https://openalex.org/W2997199563","https://openalex.org/W3046199535","https://openalex.org/W4207020303","https://openalex.org/W4365512456","https://openalex.org/W4389320324","https://openalex.org/W4403641312","https://openalex.org/W4407861885","https://openalex.org/W4409736265"],"related_works":[],"abstract_inverted_index":{"More":[0],"recently,":[1],"a":[2],"new":[3,43],"concept":[4],"of":[5,67,86,95],"double\u2010composed":[6,38,79],"partial":[7,39,71,74],"metric":[8,40,72,80],"space":[9],"has":[10],"been":[11,25],"introduced,":[12],"and":[13,18,44,55,65,78],"the":[14,50,63,93],"related":[15],"Banach":[16,32],"type":[17,20,33],"Kannan":[19],"fixed":[21,34,52,59,88],"point":[22,35,53,60,89],"results":[23,61,69],"have":[24],"established.":[26],"In":[27],"this":[28],"paper,":[29],"we":[30,91],"reconsider":[31],"result":[36,54],"in":[37,70],"spaces":[41],"under":[42],"simple":[45],"assumptions.":[46],"We":[47],"also":[48],"present":[49],"other":[51],"some":[56],"corollaries.":[57],"Our":[58],"are":[62],"generalization":[64],"improvement":[66],"well\u2010known":[68],"spaces,":[73,77],"b":[75],"\u2010metric":[76],"spaces.":[81],"Moreover,":[82],"as":[83],"an":[84],"application":[85],"our":[87],"result,":[90],"explore":[92],"solutions":[94],"nonlinear":[96],"integral":[97],"equations.":[98]},"counts_by_year":[],"updated_date":"2026-06-14T06:11:07.267592","created_date":"2025-10-29T00:00:00"}
