The fundamental gap for a one-dimensional Schr\"odinger operator with Robin boundary conditions
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Publication:6334947
DOI10.1090/PROC/15140zbMath1514.47035arXiv2002.06900MaRDI QIDQ6334947
Ben Andrews, Daniel Hauer, Julie Clutterbuck
Publication date: 17 February 2020
Nonlinear boundary value problems for ordinary differential equations (34B15) Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Eigenvalue problems for linear operators (47A75) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15) Boundary eigenvalue problems for ordinary differential equations (34B09)
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