## B. Tsirelson | ## Noise as a Boolean algebra of sigma-fields. II. Classicality, blackness, spectrum | ## Recent works |

Boris Tsirelson,

"Noise as a Boolean algebra of sigma-fields. II. Classicality,
blackness, spectrum"

arXiv:1109.1690.

Available online (free of charge) from e-print archive (USA):

arXiv.org/abs/1109.1690/

or its Israeli mirror:

il.arXiv.org/abs/1109.1690/

A research eprint, 13 pages, bibl. 7 refs.

Similarly to noises, Boolean algebras of sigma-fields can be black. A noise may be treated as a homomorphism from a Boolean algebra of regular open sets to a Boolean algebra of sigma-fields. Spectral sets are useful also in this framework.

- Introduction.
- Classicality and blackness.
- Spectrum.
- Digression: planar spectral sets, etc.

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