Necessary and sufficient conditions for
โ
Edgar S.B.
๐
Library
๐
2005
๐
English
โ 103 KB
Listing has recently extended results of Kozameh, Newman, and Tod for fourdimensionalspace-times and presented a set of necessary and sufficient conditionsfor a metric to be locally conformally equivalent to an Einstein metric in all semi-Riemannian spaces of dimension nù4-subject to a nondegen