2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35871The metric perturbation tensor corresponding to a transverse oscillation of spacetime is composed of products of cosines. When averaged over many wavelengths, such a metric may look either Minkowskian or Euclidean at large scales, depending on the amplitude and wavelength of the oscillation.4 pagesGeneral Relativity and Quantum Cosmologytext