Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4619378 | Journal of Mathematical Analysis and Applications | 2010 | 14 Pages |
Abstract
We discuss the coexistence problem for the one-dimensional Schrödinger operator with the double or triple periodic δ(1)-interactions. For each j∈N, we determine whether or not the jth spectral gap is degenerate.
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