Self-Adjoint Extensions with Friedrichs Lower Bound
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Date
2020
Authors
Gallone, Matteo
Michelangeli, Alessandro
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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
Description
Keywords
Self-adjoint extensions ·, Lower semi-bounded symmetric operators, Friedrichs extensions