## Proceedings of the International School of Physics "Enrico Fermi.", Volume 72N. Zanichelli, 1979 - Nuclear physics |

### From inside the book

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Page 74

In the ease of a

spectrum, von Neumann concludes that, after a measurement which localizes the

value c of C to the set S, the state vector of the system can be anywhere in the ...

In the ease of a

**magnitude**C represented by an operator with a continuousspectrum, von Neumann concludes that, after a measurement which localizes the

value c of C to the set S, the state vector of the system can be anywhere in the ...

Page 76

The general conclusion, then, is this: For a maximal

discrete spectrum of eigenvalues a1, a,, a measurement of A with the result a,

yields the transition W' = P . For a nonmaximal

The general conclusion, then, is this: For a maximal

**magnitude**A with a purediscrete spectrum of eigenvalues a1, a,, a measurement of A with the result a,

yields the transition W' = P . For a nonmaximal

**magnitude**B with a pure discrete ...Page 104

The state of a system in quantum mechanics assigns values only to a certain

subset of

not reveal the value of the

no ...

The state of a system in quantum mechanics assigns values only to a certain

subset of

**magnitudes**, selecting an ultrafilter of ... That is, a measurement doesnot reveal the value of the

**magnitude**B characterizing 8 — since the system hasno ...

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### Contents

E Amaldi Radioactivity a pragmatic pillar of probabilistic | 1 |

Statistical fluctuations | 10 |

Final remarks | 21 |

Copyright | |

24 other sections not shown

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3-geometry algebra applied assertion atoms axioms Boolean Borel field Borel sets calculus concept conditional probability conditionalization consider corresponding countable course defined definition denote derived deterministic dialog dialog-game disjoint dynamics edited Einstein elements equation equivalent exists experiment finite formal function geometry given Gleason's theorem Hence Hilbert space implies induction initial interaction interpretation irreversible Journ linear magnitude Math mathematical means Neumann non-Boolean notion observable orthogonal orthomodular lattice particle photon Phys physical quantity physical system physical theories physicists positive precision probabilistic probability measure probability space probability theory problem procedure quantum logic quantum mechanics quantum theory quantum-logical question radioactive random variable real numbers relation relative frequency relf represented respect result rule sequence space-time special relativity spin statistical operator subset subspace superspace theorem tion transformation truth universal constants vector velocity von Neumann algebra zero