JournalszaaVol. 29, No. 3pp. 303–307

Commutativity up to a Factor: More Results and the Unbounded Case

  • Mohammed Hichem Mortad

    University of Oran, Essenia, Algeria
Commutativity up to a Factor: More Results and the Unbounded Case cover
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Abstract

We give more results on the question of commutativity up to a factor for bounded operators and which has been recently of interest to a number of mathematicians. We also give some generalizations to unbounded operators.

Cite this article

Mohammed Hichem Mortad, Commutativity up to a Factor: More Results and the Unbounded Case. Z. Anal. Anwend. 29 (2010), no. 3, pp. 303–307

DOI 10.4171/ZAA/1410