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math-ph2011★ 3 cited
On eigenvalues of the Schrödinger operator with an even complex-valued polynomial potential
Per Alexandersson
In this paper, we generalize several results of the article "Analytic continuation of eigenvalues of a quartic oscillator" of A. Eremenko and A. Gabrielov. We consider a family of…
math-ph2010★ 10 cited
On eigenvalues of the Schrödinger operator with a complex-valued polynomial potential
Per alexandersson, Andrei Gabrielov
In this paper, we generalize a recent result of A. Eremenko and A. Gabrielov on irreducibility of the spectral discriminant for the Schrödinger equation with quartic potentials. We…