GHP formalism
From Wikipedia, the free encyclopedia
The GHP formalism (or Geroch-Held-Penrose formalism) is a technique used in the mathematics of general relativity that involves singling out a pair of null directions at each point of spacetime.
[edit] See also
- General relativity
- NP formalism
[edit] References
- Geroch, Robert, Held, A. and Penrose, Roger. A space-time calculus based on pairs of null directions. JMP. Retrieved on February 19, 2005.