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dc.contributor.author
Conde, Cristian Marcelo  
dc.contributor.author
Moradi, Hamid Reza  
dc.contributor.author
Sababheh, Mohammad  
dc.date.available
2025-11-04T15:32:19Z  
dc.date.issued
2024-09  
dc.identifier.citation
Conde, Cristian Marcelo; Moradi, Hamid Reza; Sababheh, Mohammad; A Family of Semi-norms Between the Numerical Radius and the Operator Norm; Birkhauser Verlag Ag; Results In Mathematics; 79; 1; 9-2024; 1-17  
dc.identifier.issn
1422-6383  
dc.identifier.uri
http://hdl.handle.net/11336/274785  
dc.description.abstract
This paper introduces a new family of non-negative real-valued functions on the algebra of all bounded linear operators on a Hilbert space. These functions will be called semi-norms because they satisfy the norm axioms, except for the triangle inequality, which will be discussed for special cases. Many bounds and relations will be shown for this new family, with a connection to the existing literature.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Birkhauser Verlag Ag  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
numerical radius  
dc.subject
norm inequality  
dc.subject
semi-norm  
dc.subject
operator mean  
dc.subject.classification
Matemática Pura  
dc.subject.classification
Matemáticas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
A Family of Semi-norms Between the Numerical Radius and the Operator Norm  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2025-11-03T11:11:25Z  
dc.journal.volume
79  
dc.journal.number
1  
dc.journal.pagination
1-17  
dc.journal.pais
Suiza  
dc.description.fil
Fil: Conde, Cristian Marcelo. Area de Matematica (area de Matematica) ; Instituto de Ciencias ; Universidad Nacional de General Sarmiento; . Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Moradi, Hamid Reza. Islamic Azad University; Irán  
dc.description.fil
Fil: Sababheh, Mohammad. Princess Sumaya University For Technology; Jordania  
dc.journal.title
Results In Mathematics  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s00025-023-02059-2  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00025-023-02059-2  

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