Besonderhede van voorbeeld: -8468450813129641894

English

Argyros & Haydon (2009) gave the construction of an infinite-dimensional Banach space such that every continuous operator is the sum of a compact operator and a scalar operator, so in particular every operator has an invariant subspace.

Spanish

Argyros y Haydon (2009) & Haydon (2009) dio la construcción de un infinito-dimensional Banach espaciar tal que cada operador continuo es la suma de un operador compacto y un operador escalar, tan en particular cada operador tiene un invariable subspace.