Generalizations of Kaplansky's Theorem Involving Unbounded Linear Operators
Volume 62 / 2014
Bulletin Polish Acad. Sci. Math. 62 (2014), 181-186
MSC: Primary 47B20; Secondary 47A05.
DOI: 10.4064/ba62-2-6
Abstract
We are mainly concerned with the result of Kaplansky on the composition of two normal operators in the case in which at least one of the operators is unbounded.
