Construction of Pole Cancellation Functions at Ordinary Poles of Operator-Valued Functions

Muhamed Borogovac

A pole of order $m\in \mathbb{N}$ at $\beta \in \mathbb{C}$ of a regular operator valued function $Q:\mathcal{D}(Q)\to \mathcal{L}(\mathcal{H})$ is investigated. We provide a charac…