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The Krein-von Neumann extension revisited
[article]
2021
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We revisit the Krein-von Neumann extension in the case where the underlying symmetric operator is strictly positive and apply this to derive the explicit form of the Krein-von Neumann extension for singular, general (i.e., three-coefficient) Sturm-Liouville operators on arbitrary intervals. In particular, the boundary conditions for the Krein-von Neumann extension of the strictly positive minimal Sturm-Liouville operator are explicitly expressed in terms of generalized boundary values adapted
doi:10.48550/arxiv.2102.00685
fatcat:lu53rvxppjb7tpbsletvrnei7e