Numerical radius inequalities for Hilbert space operators. II

• Autorzy: Mohammad El-Haddad , Fuad Kittaneh
• Języki publikacji: EN

Abstrakty

EN

We give several sharp inequalities involving powers of the numerical radii and the usual operator norms of Hilbert space operators. These inequalities, which are based on some classical convexity inequalities for nonnegative real numbers and some operator inequalities, generalize earlier numerical radius inequalities.

Kategorie tematyczne

• 47A30: Norms (inequalities, more than one norm, etc.)
• 47B15: Hermitian and normal operators (spectral measures, functional calculus, etc.)
• 47A63: Operator inequalities
• 47A12: Numerical range, numerical radius

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Studia Mathematica
• Rocznik: 2007
• Tom: 182
• Numer: 2
• Strony: 133-140

Daty

wydano

2007

Twórcy

autor

Mohammad El-Haddad

• Department of Mathematics, Science College for Girls, Dammam, Saudi Arabia

autor

Fuad Kittaneh

• Department of Mathematics, University of Jordan, Amman, Jordan

Identyfikatory

DOI

10.4064/sm182-2-3