Abstract
The basic properties of boundary triplets for closed symmetric operators or relations in Hilbert spaces are presented. These triplets give rise to a parametrization of the intermediate extensions of symmetric relations, in particular of the self-adjoint extensions.
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Behrndt, J., Hassi, S., De Snoo, H. (2020). Boundary Triplets and Weyl Functions. In: Boundary Value Problems, Weyl Functions, and Differential Operators. Monographs in Mathematics, vol 108. Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-36714-5_3
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DOI: https://doi.org/10.1007/978-3-030-36714-5_3
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Publisher Name: Birkhäuser, Cham
Print ISBN: 978-3-030-36713-8
Online ISBN: 978-3-030-36714-5
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