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Preprint Number 1960

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1960. Isaac Goldbring
A nonstandard proof of the spectral theorem for unbounded self-adjoint operators

Submission date: 5 April 2021


We generalize Moore's nonstandard proof of the Spectral theorem for bounded self-adjoint operators to the case of unbounded operators. The key step is to use a definition of the nonstandard hull of an internally bounded self-adjoint operator due to Raab.

Mathematics Subject Classification:

Keywords and phrases:

Full text arXiv 2104.01949: pdf, ps.

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