We consider the solutions of vacuum Einstein equations in 4 + K dimensions with 2 + K commuting Killing vectors and show that this system possesses a series of discrete symmetries I(1) generalizing the Neugebauer-Kramer transformation which corresponds to the K = 0 case. When conjugated with the dual symmetry, we obtain a series of continuous symmetries generalizing the I1 transformation of Neugebauer. We argue that the discrete symmetries are in fact symmetries for any generalized non-linear sigma models.
|頁（從 - 到）||75-79|
|期刊||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|出版狀態||已出版 - 5 12月 1985|