Estimates for Periodic and Dirichlet Eig
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T. Kappeler; C. Möhr
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Article
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2001
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Elsevier Science
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English
⚖ 210 KB
In this paper, the periodic and the Dirichlet problems for the Schrödinger operator -(d 2 /dx 2 )+V are studied for singular, complex-valued potentials V in the Sobolev space H -a per [0, 1] (0 [ a < 1). The following results are shown: (1) The periodic spectrum consists of a sequence (l k ) k \ 0