Self-Adjoint Extensions with Friedrichs Lower Bound

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Date
2020
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Abstract
We produce a simple criterion and a constructive recipe to identify those self-adjoint extensions of a lower semi-bounded symmetric operator on Hilbert space which have the same lower bound as the Friedrichs extension. Applications of this abstract result to a few instructive examples are then discussed
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Self-adjoint extensions ·, Lower semi-bounded symmetric operators, Friedrichs extensions
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