Geodesic
Invariant Subspaces of Operator Lie Algebras and the Theory of $K$-Algebras
Funkcionalʹnyj analiz i ego priloženiâ, Tome 36 (2002) no. 4, pp. 88-91

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It is proved that if a Lie algebra of compact operators contains a nonzero ideal consisting of quasinilpotent operators then this Lie algebra has a nontrivial invariant subspace. Some applications of this result to lattices of invariant subspaces for families of compact operators and to structures of ideals of Banach Lie algebras with compact adjoint action are given.
Keywords: Banach Lie algebra, invariant subspace, operator on a Banach space, Volterra operator, Engel ideal.
Mots-clés : solvable Lie algebra 
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     title = {Invariant {Subspaces} of {Operator} {Lie} {Algebras} and the {Theory} of $K${-Algebras}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
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Yu. V. Turovskii; V. S. Shulman. Invariant Subspaces of Operator Lie Algebras and the Theory of $K$-Algebras. Funkcionalʹnyj analiz i ego priloženiâ, Tome 36 (2002) no. 4, pp. 88-91. http://geodesic.mathdoc.fr/item/FAA_2002_36_4_a11/