This is a preview. Log in through your library . Abstract Given an abelian category with arbitrary products, arbitrary co-products, and a generator, we show that the closed subspaces (in the sense of ...

Let $M$ be a von Neumann algebra with a faithful, normal, tracial state $\tau$ and $H^\infty$ be a finite, maximal, subdiagonal algebra of $M$. Every left- (or right ...