{"id":"https://openalex.org/W4411034020","doi":"https://doi.org/10.3390/axioms14060439","title":"New Bounds for the Davis\u2013Wielandt Radius via the Moore\u2013Penrose Inverse of Bounded Linear Operators","display_name":"New Bounds for the Davis\u2013Wielandt Radius via the Moore\u2013Penrose Inverse of Bounded Linear Operators","publication_year":2025,"publication_date":"2025-06-04","ids":{"openalex":"https://openalex.org/W4411034020","doi":"https://doi.org/10.3390/axioms14060439"},"language":"en","primary_location":{"id":"doi:10.3390/axioms14060439","is_oa":true,"landing_page_url":"https://doi.org/10.3390/axioms14060439","pdf_url":null,"source":{"id":"https://openalex.org/S4210173132","display_name":"Axioms","issn_l":"2075-1680","issn":["2075-1680"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Axioms","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3390/axioms14060439","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079783422","display_name":"Xiaomei Dong","orcid":"https://orcid.org/0009-0008-2417-4175"},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaomei Dong","raw_affiliation_strings":["College of Sciences, Inner Mongolia University of Technology, Hohhot 010051, China"],"affiliations":[{"raw_affiliation_string":"College of Sciences, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102983683","display_name":"Guo Yanfeng","orcid":null},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuzhen Guo","raw_affiliation_strings":["College of Sciences, Inner Mongolia University of Technology, Hohhot 010051, China"],"affiliations":[{"raw_affiliation_string":"College of Sciences, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086708791","display_name":"Deyu Wu","orcid":"https://orcid.org/0000-0003-3418-9051"},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Deyu Wu","raw_affiliation_strings":["School of Mathematical Sciences, Inner Mongolia University, Hohhot 010021, China"],"affiliations":[{"raw_affiliation_string":"School of Mathematical Sciences, Inner Mongolia University, Hohhot 010021, China","institution_ids":["https://openalex.org/I2722730"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5079783422"],"corresponding_institution_ids":["https://openalex.org/I55654194"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21641156,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":"6","first_page":"439","last_page":"439"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10884","display_name":"Holomorphic and Operator Theory","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10884","display_name":"Holomorphic and Operator Theory","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9995999932289124,"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/T11022","display_name":"Spectral Theory in Mathematical Physics","score":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.8136887550354004},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.6442666053771973},{"id":"https://openalex.org/keywords/radius","display_name":"RADIUS","score":0.625420868396759},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5712880492210388},{"id":"https://openalex.org/keywords/linear-operators","display_name":"Linear operators","score":0.4860377907752991},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.42153090238571167},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3692750930786133},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.3354845643043518},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3219340443611145},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.18199649453163147},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.11256679892539978},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.10692557692527771},{"id":"https://openalex.org/keywords/orthodontics","display_name":"Orthodontics","score":0.04480329155921936}],"concepts":[{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.8136887550354004},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.6442666053771973},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.625420868396759},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5712880492210388},{"id":"https://openalex.org/C3019018024","wikidata":"https://www.wikidata.org/wiki/Q207643","display_name":"Linear operators","level":3,"score":0.4860377907752991},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.42153090238571167},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3692750930786133},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.3354845643043518},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3219340443611145},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.18199649453163147},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.11256679892539978},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.10692557692527771},{"id":"https://openalex.org/C29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","level":1,"score":0.04480329155921936},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/axioms14060439","is_oa":true,"landing_page_url":"https://doi.org/10.3390/axioms14060439","pdf_url":null,"source":{"id":"https://openalex.org/S4210173132","display_name":"Axioms","issn_l":"2075-1680","issn":["2075-1680"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Axioms","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:08f752fd8fb84252ba5c8db9c9c9c2a0","is_oa":true,"landing_page_url":"https://doaj.org/article/08f752fd8fb84252ba5c8db9c9c9c2a0","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Axioms, Vol 14, Iss 6, p 439 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/axioms14060439","is_oa":true,"landing_page_url":"https://doi.org/10.3390/axioms14060439","pdf_url":null,"source":{"id":"https://openalex.org/S4210173132","display_name":"Axioms","issn_l":"2075-1680","issn":["2075-1680"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Axioms","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1758702238","display_name":null,"funder_award_id":"2023QN01012","funder_id":"https://openalex.org/F4320322868","funder_display_name":"Natural Science Foundation of Inner Mongolia"},{"id":"https://openalex.org/G8501555023","display_name":null,"funder_award_id":"2023MS01011","funder_id":"https://openalex.org/F4320322868","funder_display_name":"Natural Science Foundation of Inner Mongolia"}],"funders":[{"id":"https://openalex.org/F4320322868","display_name":"Natural Science Foundation of Inner Mongolia","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1488435683","https://openalex.org/W1965398715","https://openalex.org/W2020081642","https://openalex.org/W2067800874","https://openalex.org/W2077425891","https://openalex.org/W2084696867","https://openalex.org/W2092100769","https://openalex.org/W2116979129","https://openalex.org/W2122634540","https://openalex.org/W2884171618","https://openalex.org/W2911503945","https://openalex.org/W2963908426","https://openalex.org/W2995239766","https://openalex.org/W3036215861","https://openalex.org/W3046276110","https://openalex.org/W3083043115","https://openalex.org/W3106816394","https://openalex.org/W3157688187","https://openalex.org/W3200184714","https://openalex.org/W4221020567","https://openalex.org/W4249104068","https://openalex.org/W4308784883","https://openalex.org/W4379616318","https://openalex.org/W4384933834","https://openalex.org/W4387716532","https://openalex.org/W4399120754","https://openalex.org/W4399889957","https://openalex.org/W4404058933","https://openalex.org/W4407425112","https://openalex.org/W4408233206","https://openalex.org/W6794020819"],"related_works":["https://openalex.org/W3013085049","https://openalex.org/W1560496689","https://openalex.org/W1992739770","https://openalex.org/W4386900933","https://openalex.org/W4229058035","https://openalex.org/W3125672081","https://openalex.org/W2006389905","https://openalex.org/W4297797135","https://openalex.org/W4299530511","https://openalex.org/W2727800319"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,32],"obtain":[4],"some":[5,30,47],"new":[6],"upper":[7,36],"bounds":[8,37],"involving":[9],"powers":[10],"of":[11,15],"the":[12,24,35,43],"Davis\u2013Wielandt":[13],"radius":[14],"bounded":[16],"linear":[17],"operators":[18],"with":[19],"closed":[20],"ranges":[21],"by":[22,28],"using":[23],"Moore\u2013Penrose":[25],"inverse.":[26],"Moreover,":[27],"providing":[29],"examples,":[31],"show":[33],"that":[34],"obtained":[38],"here":[39],"are":[40],"better":[41],"than":[42],"existing":[44],"ones":[45],"in":[46],"situations.":[48]},"counts_by_year":[],"updated_date":"2026-02-27T16:54:17.756197","created_date":"2025-10-10T00:00:00"}
