On the deficiency index of the vector Sturm-Liouville operator

K. A. Mirzoev, T. A. Safonova

Let $R_{+}:=[0,+\infty )$. Assume that $n\times n$ ($n\in \mathcal{N}$) matrix functions $P,Q$ and $R$ are defined on the set $R_{+}$, $P(x)$ is non-degenerate, $P(x)$ a…