Exponentials of bounded normal operators
Aicha Chaban ; Mohammed Hichem Mortad
Colloquium Mathematicae, Tome 131 (2013), p. 237-244 / Harvested from The Polish Digital Mathematics Library
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The present paper is mainly concerned with equations involving exponentials of bounded normal operators. Conditions implying commutativity of normal operators are given, without using the known 2πi-congruence-free hypothesis. This is a continuation of a recent work by the second author.

Publié le : 2013-01-01
EUDML-ID : urn:eudml:doc:283843 
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Aicha Chaban; Mohammed Hichem Mortad. Exponentials of bounded normal operators. Colloquium Mathematicae, Tome 131 (2013) pp. 237-244. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm133-2-10/