Mathematics – Mathematical Physics
Scientific paper
Jun 1973
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973cmaph..30..153m&link_type=abstract
Communications in Mathematical Physics, Volume 30, Issue 2, pp.153-169
Mathematics
Mathematical Physics
35
Scientific paper
The averaged Lagrangian technique of Whitham is applied to the second variation Lagrangian for the perturbations of a general-relativistic spacetime. This gives a variational principle for (sums of) approximately periodic gravitational waves which in turn leads to the rederivation of some results of Isaacson. Examples of the use of the method are discussed.
MacCallum Malcolm A. H.
Taub A. H.
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