Zeitschrift für Analysis und ihre Anwendungen
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Published online: 1988-06-30
On the Spectrum of Schrödinger Operators at the Half Space with a Certain Class of Boundary ConditionsManfred Schröder
The spectrum of free Schrödinger operators at the half space with boundary condition $\varphi_n – Q\varphi = 0$ ($\varphi$ being the normal derivative, $Q$ a self-adjoint operator at the boundary) is investigated and a connection between its negative part and the spectrum of a family of Klein–Gordon type operators is stated.
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Schröder Manfred: On the Spectrum of Schrödinger Operators at the Half Space with a Certain Class of Boundary Conditions. Z. Anal. Anwend. 7 (1988), 233-239. doi: 10.4171/ZAA/301