Some general new Einstein Walker manifolds [PDF]
Mehdi Nadjafikhah, Mehdi JafariIn this paper, Lie symmetry group method is applied to find the lie point symmetries group of a PDE system that is determined general form of four-dimensional Einstein Walker manifold. Also we will construct the optimal system of one-dimensional Lie subalgebras and investigate some of its group invariant solutions.View original: http://arxiv.org/abs/1206.3730
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