Continued fraction expansions of Herglotz-Nevanlinna functions and generalized indefinite strings of Stieltjes type
arXiv:2003.11653 · doi:10.1112/blms.12598
Abstract
We employ some results about continued fraction expansions of Herglotz-Nevanlinna functions to characterize the spectral data of generalized indefinite strings of Stieltjes type. In particular, this solves the corresponding inverse spectral problem through explicit formulas.
18 pages