On $A$-parallelism and $A$-Birkhoff-James orthogonality of operators

DOI10.1007/S00025-021-01515-1arXiv2007.00179MaRDI QIDQ6344156

Kais Feki, Tamara Bottazzi, Cristian Conde

Publication date: 30 June 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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