The Krein-von Neumann extension of a regular even order quasi-differential operator
We characterize by boundary conditions the Krein-von Neumann extension of a strictly positive minimal operator corresponding to a regular even order quasi-differential expression of Shin-Zettl type. The characterization is stated in terms of a specially chosen basis for the kernel of the maximal ope...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
AGH Univeristy of Science and Technology Press
2021
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| Materias: | |
| Acceso en línea: | https://doi.org/10.7494/OpMath.2021.41.6.805 https://doaj.org/article/49e6ccb8e29e43b2beec6d60a20bb783 |
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| Sumario: | We characterize by boundary conditions the Krein-von Neumann extension of a strictly positive minimal operator corresponding to a regular even order quasi-differential expression of Shin-Zettl type. The characterization is stated in terms of a specially chosen basis for the kernel of the maximal operator and employs a description of the Friedrichs extension due to Möller and Zettl. |
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