Wold decomposition for isometries with equal range

Satyabrata Majee, Amit Maji

Let $n\ge 2$, and let $V=(V_1,\dots ,V_n)$ be an $n$-tuple of isometries acting on a Hilbert space $\mathcal{H}$. We say that $V$ is an $n$-tuple of isometries with equal range i…