
doi: 10.1007/bf01199984
The main results of this paper are that if A and B are bounded self- adjoint operators with trace class anti-commutator \(AB+BA\), then \(tr[A^ kB^{\ell},A^ mB^ n]=0\), where k, \(\ell\), m, n are non-negative integers with \(kn+\ell m\) even. The author even proved that if the bounded self-adjoint operator A and B with trace class anti-commutator also satisfy \(A\geq 0\) and \(B\geq 0\), then AB is in the trace class.
Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), trace class anti-commutator, Commutators, derivations, elementary operators, etc.
Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), trace class anti-commutator, Commutators, derivations, elementary operators, etc.
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