On the range of a Jordan *-derivation. (English) Zbl 0886.47017

In the first part of this note the author deals with the question when the range of a Jordan *-derivation is a complex subspace, the second one treats a problem in relation to the range of a generalized Jordan *-derivation.
Reviewer: T.Kojecký (Praha)


47B47 Commutators, derivations, elementary operators, etc.
47L30 Abstract operator algebras on Hilbert spaces
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