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Unitary equivalence modulo the compact operators and extensions of C\(^*\)- algebras. (English) Zbl 0277.46053

Proc. Conf. Operator Theory, Dalhousie Univ., Halifax 1973, Lect. Notes Math. 345, 58-128 (1973).

MSC:

46L05 General theory of \(C^*\)-algebras
47B15 Hermitian and normal operators (spectral measures, functional calculus, etc.)
47C10 Linear operators in \({}^*\)-algebras
47A55 Perturbation theory of linear operators
47B06 Riesz operators; eigenvalue distributions; approximation numbers, \(s\)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators