Coexistence problem for the one-dimensional Schrödinger operators with the double or triple periodic δ(1)-interactions

Coexistence problem for the one-dimensional Schrödinger operators with the double or triple periodic δ(1)-interactions
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一维薛定谔算子与双周期或三周期 δ(1) 相互作用的共存问题

DOI:
10.1016/j.jmaa.2009.12.034
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发表时间:
2010
影响因子:
1.3
通讯作者:
Hiroaki Niikuni
Hiroaki Niikuni
中科院分区:
数学3区
文献类型:
--
作者:
Hiroaki Niikuni

文献摘要

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讨论了一维薛定谔算子与双周期或三周期δ(1)相互作用的共存问题.对于每个j∈N,我们确定第j个谱间隙是否退化。
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.