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20162026
most citedNew upper bounds for the -numerical radius of Hilbert space operators

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math.SP2016

On the boundary of the numerical range of some Jacobi operators

R. Birbonshi, A. Patra, P. D. Srivastava

In this paper, we study the numerical range of Jacobi operators and it is shown that under certain conditions, the boundary of the numerical range of these operators can be non-rou…