{"id":"https://openalex.org/W2149626888","doi":"https://doi.org/10.1080/00207169108804031","title":"The convergence of the age method in the presence of unsymmetric operators","display_name":"The convergence of the age method in the presence of unsymmetric operators","publication_year":1991,"publication_date":"1991-01-01","ids":{"openalex":"https://openalex.org/W2149626888","doi":"https://doi.org/10.1080/00207169108804031","mag":"2149626888"},"language":"en","primary_location":{"id":"doi:10.1080/00207169108804031","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00207169108804031","pdf_url":null,"source":{"id":"https://openalex.org/S124867444","display_name":"International Journal of Computer Mathematics","issn_l":"0020-7160","issn":["0020-7160","1026-7425","1029-0265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Computer Mathematics","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/A5050075410","display_name":"David Evans","orcid":"https://orcid.org/0009-0002-2834-6700"},"institutions":[{"id":"https://openalex.org/I143804889","display_name":"Loughborough University","ror":"https://ror.org/04vg4w365","country_code":"GB","type":"education","lineage":["https://openalex.org/I143804889"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D.J. Evans","raw_affiliation_strings":["Department of Computer Studies , Loughborough University of Technology , Parallel Algorithms Research Centre, Loughborough, Leicestershire, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Studies , Loughborough University of Technology , Parallel Algorithms Research Centre, Loughborough, Leicestershire, U.K","institution_ids":["https://openalex.org/I143804889"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101876244","display_name":"Changjun Li","orcid":"https://orcid.org/0000-0002-9942-7690"},"institutions":[{"id":"https://openalex.org/I143804889","display_name":"Loughborough University","ror":"https://ror.org/04vg4w365","country_code":"GB","type":"education","lineage":["https://openalex.org/I143804889"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Changjun Li","raw_affiliation_strings":["Department of Computer Studies , Loughborough University of Technology , Parallel Algorithms Research Centre, Loughborough, Leicestershire, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Studies , Loughborough University of Technology , Parallel Algorithms Research Centre, Loughborough, Leicestershire, U.K","institution_ids":["https://openalex.org/I143804889"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032628357","display_name":"A.A. Al-Wali","orcid":null},"institutions":[{"id":"https://openalex.org/I143804889","display_name":"Loughborough University","ror":"https://ror.org/04vg4w365","country_code":"GB","type":"education","lineage":["https://openalex.org/I143804889"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A.A. Al-Wali","raw_affiliation_strings":["Department of Computer Studies , Loughborough University of Technology , Parallel Algorithms Research Centre, Loughborough, Leicestershire, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Studies , Loughborough University of Technology , Parallel Algorithms Research Centre, Loughborough, Leicestershire, U.K","institution_ids":["https://openalex.org/I143804889"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5132,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.67257309,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"41","issue":"1-2","first_page":"115","last_page":"122"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12100","display_name":"Advanced Mathematical Modeling in Engineering","score":0.9991999864578247,"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/T12100","display_name":"Advanced Mathematical Modeling in Engineering","score":0.9991999864578247,"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/T11205","display_name":"Numerical methods in inverse problems","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T12727","display_name":"Differential Equations and Numerical Methods","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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":0.8672741055488586},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.7016808986663818},{"id":"https://openalex.org/keywords/dirichlet-boundary-condition","display_name":"Dirichlet boundary condition","score":0.5175632834434509},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.49581751227378845},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4948102831840515},{"id":"https://openalex.org/keywords/boundary-value-problem","display_name":"Boundary value problem","score":0.47630321979522705},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.42460373044013977},{"id":"https://openalex.org/keywords/unconditional-convergence","display_name":"Unconditional convergence","score":0.41685229539871216},{"id":"https://openalex.org/keywords/rate-of-convergence","display_name":"Rate of convergence","score":0.3320205807685852},{"id":"https://openalex.org/keywords/compact-convergence","display_name":"Compact convergence","score":0.17153501510620117},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.07056066393852234}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8672741055488586},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.7016808986663818},{"id":"https://openalex.org/C110167270","wikidata":"https://www.wikidata.org/wiki/Q1193699","display_name":"Dirichlet boundary condition","level":3,"score":0.5175632834434509},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.49581751227378845},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4948102831840515},{"id":"https://openalex.org/C182310444","wikidata":"https://www.wikidata.org/wiki/Q1332643","display_name":"Boundary value problem","level":2,"score":0.47630321979522705},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.42460373044013977},{"id":"https://openalex.org/C89397928","wikidata":"https://www.wikidata.org/wiki/Q1630320","display_name":"Unconditional convergence","level":5,"score":0.41685229539871216},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.3320205807685852},{"id":"https://openalex.org/C5871375","wikidata":"https://www.wikidata.org/wiki/Q1780715","display_name":"Compact convergence","level":4,"score":0.17153501510620117},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.07056066393852234},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/00207169108804031","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00207169108804031","pdf_url":null,"source":{"id":"https://openalex.org/S124867444","display_name":"International Journal of Computer Mathematics","issn_l":"0020-7160","issn":["0020-7160","1026-7425","1029-0265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Computer Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W1970987707","https://openalex.org/W2317773555"],"related_works":["https://openalex.org/W1978830096","https://openalex.org/W2133690079","https://openalex.org/W1514481392","https://openalex.org/W2111215486","https://openalex.org/W2068031792","https://openalex.org/W2020502833","https://openalex.org/W892341692","https://openalex.org/W2071077531","https://openalex.org/W2100405323","https://openalex.org/W4210569427"],"abstract_inverted_index":{"The":[0],"AGE":[1,29],"method":[2,30],"has":[3],"been":[4],"successively":[5],"applied":[6],"to":[7],"the":[8,24,28,32],"first":[9],"order":[10],"linear":[11],"hyperbolic":[12],"equation":[13],"with":[14],"Dirichlet":[15],"or":[16],"periodic":[17],"boundary":[18],"conditions":[19],"[3].":[20],"In":[21],"this":[22],"note":[23],"convergence":[25],"analysis":[26],"of":[27,34],"and":[31],"determination":[33],"a":[35],"\u2018good\u2019":[36],"parameter":[37],"are":[38],"studied.":[39]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}