281 citations · 2.6k across the 85 of their papers we have counts for
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math.SP2011★ 31 cited
Uniqueness Results for Schroedinger Operators on the Line with Purely Discrete Spectra
Jonathan Eckhardt, Gerald Teschl
We provide an abstract framework for singular one-dimensional Schroedinger operators with purely discrete spectra to show when the spectrum plus norming constants determine such an…
math.SP2011★ 16 cited
Sturm-Liouville operators on time scales
Jonathan Eckhardt, Gerald Teschl
We establish the connection between Sturm-Liouville equations on time scales and Sturm--Liouville equations with measure-valued coefficients. Based on this connection we generalize…
math.SP2011★ 38 cited
Sturm-Liouville operators with measure-valued coefficients
Jonathan Eckhardt, Gerald Teschl
We give a comprehensive treatment of Sturm-Liouville operators with measure-valued coefficients including, a full discussion of self-adjoint extensions and boundary conditions, res…