Exact solutions of noncommutative vacuum Einstein field equations and plane-fronted gravitational waves
arXiv:0903.0904 · doi:10.1140/epjc/s10052-009-1153-5
Abstract
We construct a class of exact solutions of the noncommutative vacuum Einstein field equations, which are noncommutative analogues of the plane-fronted gravitational waves in classical gravity.
10 pages, comments added