Boring!
This operator case is surprisingly not necessarily mathematically trivial to describe formally because you often end up getting into the Dirac delta functions/continuous spectrum: as mentioned at: mathematical formulation of quantum mechanics
This is especially interesting for user mode emulation.
Quantum electrodynamics by Lifshitz et al. 2nd edition (1982) Updated 2025-07-11 +Created 1970-01-01
Derived from classical first principles, matches Planck's law for low frequencies, but diverges at higher frequencies.
PageRank was apparently inspired by it originally, given that.
Searcing beauty is a painful thing. You just keep endlessly looking for that one new insight that will blow your mind.
The key missing point would be "usefulness". See also: Section "Art".
There are unlisted articles, also show them or only show them.