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19982026
most citedBoundary triplets and M-functions for non-selfadjoint operators, with applications to elliptic PDEs and block operator matrices

87 citations · 96 across the 15 of their papers we have counts for

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math.SP2010

On a class of non-self-adjoint periodic boundary value problems with discrete real spectrum

Lyonell Boulton, Michael Levitin, Marco Marletta

In [arXiv:0801.0172] we examined a family of periodic Sturm-Liouville problems with boundary and interior singularities which are highly non-self-adjoint but have only real eigenva…