Upper bounds for the numerical radius of Hilbert space operators

Akram Mansoori,Mohsen Erfanian Omidvar,Khalid Shebrawi

Upper bounds for the numerical radius of Hilbert space operators

2020

Akram Mansoori
Mohsen Erfanian Omidvar
Khalid Shebrawi

New upper bounds for the numerical radius of Hilbert space operators are given. Moreover, we give some applications of our result in estimation of spectral radius. We also compare our results with some known results.

Keywords:

Mathematical analysis
Hilbert space
Spectral radius
Operator (computer programming)
Mathematics

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