Products of Idempotents in Banach Algebras of Operators

Surender K. Jain, André Leroy, Ajit Iqbal Singh

Let $X$ be a Banach space and $\mathcal{A}$ be the Banach algebra $B(X)$ of bounded (i.e. continuous) linear transformations (to be called operators) on $X$ to itself. Let $\mathcal…