PUBLICATIONS DE L'INSTITUT MATHÉMATIQUE (BEOGRAD) (N.S.)
Vol. 54(68), pp. 58--62 (1993)
On non-quasidiagonal operators, II
S.C. Arora and Shiv Kumar SahdevDepartment of Mathematics, University of Delhi Delhi 110 007, India
Abstract: For any operator $T$ on a Hilbert space, the properties of qd$(T)$, the modulus of quasidiagonality are studied. The notion of extremely non-quasidiagonal operators is introduced and studied.
Classification (MSC2000): 47A66; 47A30
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