An approach to operator Dunkl-Williams inequalities

• Autores: F. Dadipour, Mohammad Sal Moslehian
• Localización: Publicationes Mathematicae Debrecen, ISSN 0033-3883, Tomus 79, Fasc. 1-2, 2011, págs. 109-118
• Idioma: inglés
• DOI: 10.5486/pmd.2011.4936
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• Resumen

  • We prove several operator versions of the Dunkl�Williams inequality and discuss the case when equality holds in a new approach. We mainly present some necessary and sufficient conditions for the case where equality holds. We also deduce some norm inequalities and get a generalization of the Dunkl�Williams inequality in the framework of Hilbert C*-modules.