Sharp estimates for the numerical radii of $$2\times 2$$ operator matrices

Complex Analysis and Operator Theory 2026

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Authors: Messaoud Guesba, Fuad Kıttaneh

DOI: 10.1007/s11785-026-01919-3

Cited by: 1

References: 22

Fields of Study & Subjects

Advanced Harmonic Analysis Research Holomorphic and Operator Theory Spectral Theory in Mathematical Physics

References 22