The first instability interval for Hill equations with symmetric single well potentials

Huang, Min-Jei

doi:10.1090/S0002-9939-97-03705-2

The first instability interval for Hill equations with symmetric single well potentials
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Proc. Amer. Math. Soc. 125 (1997), 775-778 Request permission

Abstract:

For Hill equations with symmetric single well (or symmetric single barrier) potentials, the first instability interval is absent when and only when the potential is constant.

References

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