Articles with "radius bounds" as a keyword



Numerical radius bounds for certain operator matrices

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Published in 2025 at "Filomat"

DOI: 10.2298/fil2513341a

Abstract: Due to the unavoidable role of operator matrices in advancing the study of the numerical radius, we further investigate upper and lower bounds for the numerical radii of certain operator matrices. The obtained results are… read more here.

Keywords: operator; numerical radius; radius bounds; operator matrices ... See more keywords