{"id":"https://openalex.org/W2057114130","doi":"https://doi.org/10.1016/s0096-3003(03)00150-4","title":"A note on the perturbation of the W-weighted Drazin inverse","display_name":"A note on the perturbation of the W-weighted Drazin inverse","publication_year":2003,"publication_date":"2003-04-04","ids":{"openalex":"https://openalex.org/W2057114130","doi":"https://doi.org/10.1016/s0096-3003(03)00150-4","mag":"2057114130"},"language":"en","primary_location":{"id":"doi:10.1016/s0096-3003(03)00150-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0096-3003(03)00150-4","pdf_url":null,"source":{"id":"https://openalex.org/S50372074","display_name":"Applied Mathematics and Computation","issn_l":"0096-3003","issn":["0096-3003","1873-5649"],"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":"Applied Mathematics and Computation","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/A5014988509","display_name":"Yimin Wei","orcid":"https://orcid.org/0000-0001-6192-0546"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yimin Wei","raw_affiliation_strings":["Department of Mathematics, Fudan University, Shanghai 200433, People\u2019s Republic of China","Department of Mathematics, Fudan University, Shanghai, 200433, People's Republic of China"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Fudan University, Shanghai 200433, People\u2019s Republic of China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Department of Mathematics, Fudan University, Shanghai, 200433, People's Republic of China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089845430","display_name":"Ching-Wah Woo","orcid":null},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ching-Wah Woo","raw_affiliation_strings":["Department of Mathematics, City University of HongKong, HongKong, People\u2019s Republic of China","Department of Mathematics, City University of HongKong, HongKong, People's Republic of China#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, City University of HongKong, HongKong, People\u2019s Republic of China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Mathematics, City University of HongKong, HongKong, People's Republic of China#TAB#","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036373997","display_name":"Tian-Gang Lei","orcid":null},"institutions":[{"id":"https://openalex.org/I102398690","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94","country_code":"CN","type":"funder","lineage":["https://openalex.org/I102398690"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiangang Lei","raw_affiliation_strings":["Department of Mathematical and Physical Sciences, National Natural Science Foundation of China, Beijing 100085, People\u2019s Republic of China","Department of Mathematical and Physical Sciences, National Natural Science Foundation of China, Beijing 100085, People's Republic of China"],"affiliations":[{"raw_affiliation_string":"Department of Mathematical and Physical Sciences, National Natural Science Foundation of China, Beijing 100085, People\u2019s Republic of China","institution_ids":["https://openalex.org/I102398690"]},{"raw_affiliation_string":"Department of Mathematical and Physical Sciences, National Natural Science Foundation of China, Beijing 100085, People's Republic of China","institution_ids":["https://openalex.org/I102398690"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5014988509"],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":2.5659,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.89678949,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"149","issue":"2","first_page":"423","last_page":"430"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":1.0,"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":1.0,"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/T10739","display_name":"Electromagnetic Scattering and Analysis","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11416","display_name":"Numerical methods for differential equations","score":0.9958000183105469,"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/drazin-inverse","display_name":"Drazin inverse","score":0.9765955805778503},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8117127418518066},{"id":"https://openalex.org/keywords/perturbation","display_name":"Perturbation (astronomy)","score":0.6582452058792114},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.6016362905502319},{"id":"https://openalex.org/keywords/complex-matrix","display_name":"Complex matrix","score":0.5132253170013428},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.4333535134792328},{"id":"https://openalex.org/keywords/moore\u2013penrose-pseudoinverse","display_name":"Moore\u2013Penrose pseudoinverse","score":0.4125821590423584},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.36296460032463074},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.35364049673080444},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.15186536312103271},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0688096284866333}],"concepts":[{"id":"https://openalex.org/C2777795832","wikidata":"https://www.wikidata.org/wiki/Q4521948","display_name":"Drazin inverse","level":3,"score":0.9765955805778503},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8117127418518066},{"id":"https://openalex.org/C177918212","wikidata":"https://www.wikidata.org/wiki/Q803623","display_name":"Perturbation (astronomy)","level":2,"score":0.6582452058792114},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.6016362905502319},{"id":"https://openalex.org/C2988629283","wikidata":"https://www.wikidata.org/wiki/Q44337","display_name":"Complex matrix","level":2,"score":0.5132253170013428},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.4333535134792328},{"id":"https://openalex.org/C21556879","wikidata":"https://www.wikidata.org/wiki/Q43219517","display_name":"Moore\u2013Penrose pseudoinverse","level":3,"score":0.4125821590423584},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.36296460032463074},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.35364049673080444},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.15186536312103271},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0688096284866333},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0096-3003(03)00150-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0096-3003(03)00150-4","pdf_url":null,"source":{"id":"https://openalex.org/S50372074","display_name":"Applied Mathematics and Computation","issn_l":"0096-3003","issn":["0096-3003","1873-5649"],"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":"Applied Mathematics and Computation","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":8,"referenced_works":["https://openalex.org/W75646213","https://openalex.org/W1984673246","https://openalex.org/W1994892352","https://openalex.org/W2015238202","https://openalex.org/W2016797537","https://openalex.org/W2037013106","https://openalex.org/W2083229392","https://openalex.org/W2086674819"],"related_works":["https://openalex.org/W4238945026","https://openalex.org/W2037173389","https://openalex.org/W2017616362","https://openalex.org/W2080919409","https://openalex.org/W2756402838","https://openalex.org/W2379864855","https://openalex.org/W2353675278","https://openalex.org/W3149246555","https://openalex.org/W2369203135","https://openalex.org/W2803575799"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}