Abstract
We consider a class of discrete nonlinear Schrödinger equations with unbounded potentials. We obtain some new multiplicity results of breathers of the equations by using critical point theory. Our results greatly improve some recent results in the literature.
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Zhou, Z., Ma, D. Multiplicity results of breathers for the discrete nonlinear Schrödinger equations with unbounded potentials. Sci. China Math. 58, 781–790 (2015). https://doi.org/10.1007/s11425-014-4883-2
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DOI: https://doi.org/10.1007/s11425-014-4883-2