$A$-Numerical radius orthogonality and parallelism of semi-Hilbertian space operators and their applications

DOI10.1007/S41980-020-00392-8zbMath1521.47065arXiv2001.04522MaRDI QIDQ6332819

Kais Feki, Kallol Paul, Pintu Bhunia

Publication date: 13 January 2020

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Numerical range, numerical radius (47A12) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05) Positive linear operators and order-bounded operators (47B65)

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