On λ-commuting operators
John B. Conway ; Gabriel Prǎjiturǎ
Studia Mathematica, Tome 166 (2005), p. 1-9 / Harvested from The Polish Digital Mathematics Library
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For a scalar λ, two operators T and S are said to λ-commute if TS = λST. In this note we explore the pervasiveness of the operators that λ-commute with a compact operator by characterizing the closure and the interior of the set of operators with this property.

Publié le : 2005-01-01
EUDML-ID : urn:eudml:doc:284822 
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John B. Conway; Gabriel Prǎjiturǎ. On λ-commuting operators. Studia Mathematica, Tome 166 (2005) pp. 1-9. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm166-1-1/