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On the similarity of boundary triples for dual pairs
Published 26 Mar 2025 in math.FA | (2503.20459v2)
Abstract: The Weyl family of a dual pair $A\subseteq Bc$ of operators in a Krein space determines a minimal boundary triple uniquely up to similarity; if $A=B$, a necessary and sufficient condition in order that the similarity should be unitary is given.
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