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most citedRepresentations of hermitian kernels by means of Krein spaces II. Invariant kernels

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math.FA2018★ 1 cited

Notes on (the Birmak-Krein-Vishik theory on) selfadjoint extensions of semibounded symmetric operators

Tiberiu Constantinescu, Aurelian Gheondea

We give an explicit and versatile parametrization of all positive selfadjoint extensions of a densely defined, closed, positive operator. In addition, we identify the Friedrichs ex…