375 citations
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Showing 2023 · math.FAShow all
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math.FA2023★ 5 cited
Refinements of generalized Euclidean operator radius inequalities of 2-tuple operators
Suvendu Jana, Pintu Bhunia, Kallol Paul
We develop several upper and lower bounds for the -Euclidean operator radius of -tuple operators admitting -adjoint, and show that they refine the earlier related bounds.…
math.FA2023★ 17 cited
Berezin number and Berezin norm inequalities for operator matrices
Pintu Bhunia, Anirban Sen, Somdatta Barik +1
We establish new upper bounds for Berezin number and Berezin norm of operator matrices, which are refinements of the existing bounds. Among other bounds, we prove that if $A=[A_{ij…