Golden Oldie Editorial

General Relativity and Gravitation

, Volume 44, Issue 6, pp 1581-1586

Open Access This content is freely available online to anyone, anywhere at any time.

Editorial note to: J. Ehlers, F. A. E. Pirani and A. Schild, The geometry of free fall and light propagation

  • Andrzej TrautmanAffiliated withInstytut Fizyki Teoretycznej, Uniwersytet Warszawski Email author 

Keywords

Lorentzian geometry Conformal structures Projective structures Free fall Light propagation Golden Oldie