A numerical range approach to Birkhoff-James orthogonality with applications
DOI10.1007/s43037-024-00333-1arXiv2306.02638OpenAlexW4393055882MaRDI QIDQ6204597
Javier Merí, Alicia Quero, Debmalya Sain, Saikat Roy, Miguel Martín
Publication date: 28 March 2024
Published in: Banach Journal of Mathematical Analysis (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2306.02638
numerical rangesmoothnessbounded linear operatorsBirkhoff-James orthogonalitynumerical indexBhatia-Šemrl resultsspear vectors and operators
Spaces of vector- and operator-valued functions (46E40) Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Geometry and structure of normed linear spaces (46B20) Classical Banach spaces in the general theory (46B25) Numerical range, numerical radius (47A12) Spaces of operators; tensor products; approximation properties (46B28) Isometric theory of Banach spaces (46B04) Banach spaces of continuous, differentiable or analytic functions (46E15)
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