Published April 2000 | Version Submitted
Journal Article Open

On Local Borg–Marchenko Uniqueness Results

  • 1. ROR icon University of Missouri
  • 2. ROR icon California Institute of Technology

Abstract

We provide a new short proof of the following fact, first proved by one of us in 1998: If two Weyl–Titchmarsh m-functions, m_j(z), of two Schrödinger operators, H_j = -d^2/dx^2 + q_j, j = 1,2 in L^2((O,R)), O < R ≤ ∞, are exponentially close, that is, |m_1(z) - m_2(z)|_|z|→∞ = O(e^(-2 IM(z^1/2)a), O < ɑ

Additional Information

© 2000 Springer-Verlag. Received: 22 October 1999; Accepted: 2 November 1999. This material is based upon work supported by the National Science Foundation under Grant No. DMS-9707661. F. G. thanks T. Tombrello for the hospitality of Caltech where this work was done.

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Identifiers

Eprint ID
79655
DOI
10.1007/s002200050812
Resolver ID
CaltechAUTHORS:20170801-072515055

Related works

Funding

NSF
DMS-9707661

Dates

Created
2017-08-01
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Updated
2021-11-15
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