NewEvery arXiv paper, its researchers & institutions — mapped.
paper

Jost Functions and Jost Solutions for Jacobi Matrices, II. Decay and Analyticity

arXiv:math/0502487

Abstract

We present necessary and sufficient conditions on the Jost function for the corresponding Jacobi parameters $a_n -1$ and $b_n$ to have a given degree of exponential decay.

28 pages