The commutant of an operator with bounded conjugation orbits and $C_0$-contractions.
Langue
en
Article de revue
Ce document a été publié dans
Extracta Mathematicae. 2012, vol. 27, n° 2, p. 175-185
Résumé en anglais
Let $A$ be an invertible bounded linear operator on a complex Banach space, $\{A\}'$ the commutant of $A$ and $B_A$ the set of all operators $T$ such that $\sup_{n\geq 0} \|A^nTA^{-n}\|<+\infty$. Equality $\{A\}'= B_A$ was ...Lire la suite >
Mots clés en anglais
Operators
commutant
bounded conjugation orbit
$C_0$--contraction