## Proceedings of the International School of Physics "Enrico Fermi.", Volume 11N. Zanichelli, 1960 - Nuclear physics |

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Page 119

Do Einstvin ' s field equations possess any everywhere regular solutions apart

from the trivial solution that

non - singular co - ordinate system must

other ...

Do Einstvin ' s field equations possess any everywhere regular solutions apart

from the trivial solution that

**describes**flat space - time ? Some evidence ... Anynon - singular co - ordinate system must

**describe**the same phenomenon . Inother ...

Page 121

Here the factor qile , z ) may be considered qualitatively to

distribution of the effective energy of the gravitational field at the moment of time

symmetry . Only those distributions qı are considered which vanish outside of a

certain ...

Here the factor qile , z ) may be considered qualitatively to

**describe**thedistribution of the effective energy of the gravitational field at the moment of time

symmetry . Only those distributions qı are considered which vanish outside of a

certain ...

Page 123

In either case they

geometry is only then free of singularity , and

of energy in an asymptotically flat space , when 1 ) the factor y at large distances

...

In either case they

**describe**3 - geometries that are intrinsically singular . The 3 -geometry is only then free of singularity , and

**describes**a localized concentrationof energy in an asymptotically flat space , when 1 ) the factor y at large distances

...

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### Contents

GENERALITÀ | 1 |

PARTE PRIMA Problemi teorici | 9 |

PARTE SECONDA Correlazioni angolari polarizzazioni e decadimenti beta | 251 |

3 other sections not shown

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### Common terms and phrases

allowed angle angular assumed calculated charge classical combination completely component connection conservation consider constant contribute correlation corresponding coupling curvature decay defined density dependence derived described determination direction discussed effects electric electromagnetic field electron element elementary emission energy equations example existence experiment experimental expression factor Fermi field final finds formula function geometrodynamics geometry give given gravitational histories initial interaction invariance known leads limit magnetic mass matrix means measured metric modes momentum neutrino neutron nuclei observed obtained operators pairs parity particle phase Phys physics polarization possible present principle problem properties purely quantity quantum quantum mechanics question radiation ratio reason reference relation relativity respect result scattering shown shows solution space spin spinor symmetry Table theory transformation transition universe vector wave weak zero