{"id":"https://openalex.org/W4412186891","doi":"https://doi.org/10.1007/s11075-025-02169-8","title":"Accurate inverses and determinants of doubly strictly diagonally dominant Z-matrices","display_name":"Accurate inverses and determinants of doubly strictly diagonally dominant Z-matrices","publication_year":2025,"publication_date":"2025-07-11","ids":{"openalex":"https://openalex.org/W4412186891","doi":"https://doi.org/10.1007/s11075-025-02169-8"},"language":"en","primary_location":{"id":"doi:10.1007/s11075-025-02169-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11075-025-02169-8","pdf_url":null,"source":{"id":"https://openalex.org/S117494069","display_name":"Numerical Algorithms","issn_l":"1017-1398","issn":["1017-1398","1572-9265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Numerical Algorithms","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/A5039531059","display_name":"Lei Gao","orcid":"https://orcid.org/0000-0001-5663-1416"},"institutions":[{"id":"https://openalex.org/I4210102412","display_name":"Yan'an University","ror":"https://ror.org/01dyr7034","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210102412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lei Gao","raw_affiliation_strings":["College of Mathematics and Computer Science, Yan\u2019an University, Yan\u2019an, 716000, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Mathematics and Computer Science, Yan\u2019an University, Yan\u2019an, 716000, P.R. China","institution_ids":["https://openalex.org/I4210102412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112420689","display_name":"Tianyuan Li","orcid":null},"institutions":[{"id":"https://openalex.org/I2799293361","display_name":"Baoji University of Arts and Sciences","ror":"https://ror.org/05nx0xs09","country_code":"CN","type":"education","lineage":["https://openalex.org/I2799293361"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyuan Li","raw_affiliation_strings":["School of Mathematics and Information Science, Baoji University of Arts and Sciences, Baoji, 721013, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematics and Information Science, Baoji University of Arts and Sciences, Baoji, 721013, P.R. China","institution_ids":["https://openalex.org/I2799293361"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001770211","display_name":"Xinnian Song","orcid":null},"institutions":[{"id":"https://openalex.org/I21642278","display_name":"Ningxia University","ror":"https://ror.org/04j7b2v61","country_code":"CN","type":"education","lineage":["https://openalex.org/I21642278"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinnian Song","raw_affiliation_strings":["School of Mathematics and Statistics, Ningxia University, Yinchuan, 750021, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematics and Statistics, Ningxia University, Yinchuan, 750021, P. R. China","institution_ids":["https://openalex.org/I21642278"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5039531059"],"corresponding_institution_ids":["https://openalex.org/I4210102412"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":3.6676,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.93498112,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"102","issue":"2","first_page":"1065","last_page":"1085"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9984999895095825,"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/T10792","display_name":"Matrix Theory and Algorithms","score":0.9984999895095825,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10963","display_name":"Advanced Optimization Algorithms Research","score":0.9721999764442444,"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":0.8208104372024536},{"id":"https://openalex.org/keywords/diagonally-dominant-matrix","display_name":"Diagonally dominant matrix","score":0.7246417999267578},{"id":"https://openalex.org/keywords/theory-of-computation","display_name":"Theory of computation","score":0.6209509372711182},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.4676384925842285},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.44406065344810486},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.41001901030540466},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.33003711700439453},{"id":"https://openalex.org/keywords/invertible-matrix","display_name":"Invertible matrix","score":0.21233665943145752},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.19686314463615417},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.12436577677726746}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8208104372024536},{"id":"https://openalex.org/C84507854","wikidata":"https://www.wikidata.org/wiki/Q952222","display_name":"Diagonally dominant matrix","level":3,"score":0.7246417999267578},{"id":"https://openalex.org/C24858836","wikidata":"https://www.wikidata.org/wiki/Q844718","display_name":"Theory of computation","level":2,"score":0.6209509372711182},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.4676384925842285},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.44406065344810486},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.41001901030540466},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.33003711700439453},{"id":"https://openalex.org/C96442724","wikidata":"https://www.wikidata.org/wiki/Q242188","display_name":"Invertible matrix","level":2,"score":0.21233665943145752},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.19686314463615417},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.12436577677726746}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11075-025-02169-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11075-025-02169-8","pdf_url":null,"source":{"id":"https://openalex.org/S117494069","display_name":"Numerical Algorithms","issn_l":"1017-1398","issn":["1017-1398","1572-9265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Numerical Algorithms","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":43,"referenced_works":["https://openalex.org/W1603646257","https://openalex.org/W1706060440","https://openalex.org/W1935845154","https://openalex.org/W1965192858","https://openalex.org/W1971414669","https://openalex.org/W1972497288","https://openalex.org/W1981072042","https://openalex.org/W1982794008","https://openalex.org/W1987744915","https://openalex.org/W1988043369","https://openalex.org/W2000219678","https://openalex.org/W2011106018","https://openalex.org/W2020905775","https://openalex.org/W2053270331","https://openalex.org/W2054260755","https://openalex.org/W2054643050","https://openalex.org/W2054956151","https://openalex.org/W2059575218","https://openalex.org/W2061479838","https://openalex.org/W2071653647","https://openalex.org/W2081643768","https://openalex.org/W2089064410","https://openalex.org/W2096240717","https://openalex.org/W2100510181","https://openalex.org/W2116453771","https://openalex.org/W2137880375","https://openalex.org/W2158200065","https://openalex.org/W2260280945","https://openalex.org/W2528367995","https://openalex.org/W2560684249","https://openalex.org/W2743302250","https://openalex.org/W2885436354","https://openalex.org/W2923836667","https://openalex.org/W2952828404","https://openalex.org/W3021376274","https://openalex.org/W3049260791","https://openalex.org/W3114610601","https://openalex.org/W3132531859","https://openalex.org/W3190286305","https://openalex.org/W3215705216","https://openalex.org/W4311881566","https://openalex.org/W4319027500","https://openalex.org/W4319993140"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2367535589","https://openalex.org/W2348298710","https://openalex.org/W1976521968","https://openalex.org/W2136336099","https://openalex.org/W2550293690","https://openalex.org/W1529195008","https://openalex.org/W2357224165","https://openalex.org/W2238553753","https://openalex.org/W2139574475"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1}],"updated_date":"2026-05-13T06:04:23.736269","created_date":"2025-10-10T00:00:00"}