On the range of a normal Jordan $^*$-derivation
Commentationes Mathematicae Universitatis Carolinae, Tome 35 (1994) no. 4, pp. 691-695.

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In this note, by means of the spectrum of the generating operator, we characterize the self-adjointness and closedness of the range of a normal and a self-adjoint Jordan *-derivation, respectively.
Classification : 46L70, 47B15, 47B47, 47D25, 47L30
Keywords: Jordan *-derivation
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Molnár, Lajos. On the range of a normal Jordan $^*$-derivation. Commentationes Mathematicae Universitatis Carolinae, Tome 35 (1994) no. 4, pp. 691-695. http://geodesic.mathdoc.fr/item/CMUC_1994__35_4_a9/