scholarly journals Levinson's inequality for Hilbert space operators

2015 ◽  
pp. 1271-1285
Author(s):  
Jadranka Mić ć Hot ◽  
Josip Pečarić ◽  
Marjan Praljak
Keyword(s):  
Hilbert Space ◽  
Hilbert Space Operators ◽  
Levinson’S Inequality

scholarly journals Some mappings related to Levinson’s inequality for Hilbert space operators

Filomat ◽  
2017 ◽  
Vol 31 (7) ◽  
pp. 1995-2009 ◽  
Author(s):  
Jadranka Micic ◽  
Josip Pecaric
Keyword(s):  
Hilbert Space ◽  
Operator Inequality ◽  
Jensen Inequality ◽  
Hilbert Space Operators ◽  
Levinson’S Inequality

We observe properties of some mappings related to the Davis-Choi-Jensen inequality for Hilbert space operators. Using these results, we observe properties of some mappings related to Levinson?s operator inequality. Consequently, we obtain several refinements for each of these inequalities.

scholarly journals Bounded point evaluations for cyclic Hilbert space operators

2003 ◽  
Vol 4 (2) ◽  
pp. 301
Author(s):  
A. Bourhim
Keyword(s):  
Hilbert Space ◽  
Linear Operator ◽  
Bounded Linear Operator ◽  
Bounded Linear ◽  
Hilbert Space Operators ◽  
Point Evaluations ◽  
Analytic Bounded Point Evaluations

<p>In this talk, to be given at a conference at Seconda Università degli Studi di Napoli in September 2001, we shall describe the set of analytic bounded point evaluations for an arbitrary cyclic bounded linear operator T on a Hilbert space H and shall answer some questions due to L. R. Williams.</p>

scholarly journals Eigenvalue inequalities for differences of means of Hilbert space operators

2012 ◽  
Vol 436 (5) ◽  
pp. 1516-1527 ◽  
Author(s):  
Omar Hirzallah ◽  
Fuad Kittaneh ◽  
Mario Krnić ◽  
Neda Lovričević ◽  
Josip Pečarić
Keyword(s):  
Hilbert Space ◽  
Hilbert Space Operators

On the p-numerical radii of Hilbert space operators

2021 ◽  
pp. 1-17
Author(s):  
Ahlem Benmakhlouf ◽  
Omar Hirzallah ◽  
Fuad Kittaneh
Keyword(s):  
Hilbert Space ◽  
Hilbert Space Operators
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