Is the norm always positive?
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Publication:4676289
DOI10.1088/0305-4470/38/15/L02zbMath1065.81048arXivquant-ph/0503040MaRDI QIDQ4676289
Publication date: 3 May 2005
Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/quant-ph/0503040
Sturm-Liouville theory (34B24) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) General spectral theory of ordinary differential operators (34L05) Exactly and quasi-solvable systems arising in quantum theory (81U15)
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