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Krein-Visik-Birman self-adjoint extension theory revisited

TitleKrein-Visik-Birman self-adjoint extension theory revisited
Publication TypePreprint
AuthorsGallone, M, Michelangeli, A, Ottolini, A
Document NumberSISSA;25/2017/MATE

The core results of the so-called KreIn-Visik-Birman theory of
self-adjoint extensions of semi-bounded symmetric operators are reproduced,
both in their original and in a more modern formulation, within a
comprehensive discussion that includes missing details, elucidative steps,
and intermediate results of independent interest.

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