Existence de sous-espaces hyper-invariants
Glasgow mathematical journal, Tome 40 (1998) no. 1, pp. 133-141

Voir la notice de l'article provenant de la source Cambridge University Press

Soient B un espace de Banach et L(B) l'algèbre des opérateurs bornés sur B. On dit qu'un sous-espace fermé E de B est invariant pour l'opérateur T ∈ L(B) lorsque TE ⊂ E et qu'il est non trivial si {0} EB. Le sous-espace E est dit hyper-invariant pour T s'il est invariant pour tout opérateur qui commute avec T.
Kellay, K. Existence de sous-espaces hyper-invariants. Glasgow mathematical journal, Tome 40 (1998) no. 1, pp. 133-141. doi: 10.1017/S0017089500032420
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