A short nonstandard proof of the Spectral Theorem for unbounded self-adjoint operators
Spectral Theory
2026-01-21 v3 Logic
Abstract
By nonstandard analysis, a very short and elementary proof of the Spectral Theorem for unbounded self-adjoint operators is given.
Cite
@article{arxiv.2407.16136,
title = {A short nonstandard proof of the Spectral Theorem for unbounded self-adjoint operators},
author = {Takashi Matsunaga},
journal= {arXiv preprint arXiv:2407.16136},
year = {2026}
}