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math.DG2014★ 3 cited
Computation of Partially Invariant Solutions for the Einstein Walker Manifolds' Identifying Equations
Mehdi Nadjafikhah, Mehdi Jafari
In this paper, partially invariant solutions (PISs) method is applied in order to obtain new four-dimensional Einstein Walker manifolds. This method is based on subgroup classifica…
math.DG2014★ 3 cited
Symmetry Reduction of the Two-Dimensional Ricci Flow Equation
Mehdi Nadjafikhah, Mehdi Jafari
This paper is devoted to obtain the one-dimensional group invariant solutions of the two-dimensional Ricci flow ((2D) Rf) equation. By classifying the orbits of the adjoint represe…
math.DG2012★ 2 cited
Some general new Einstein Walker manifolds
Mehdi Nadjafikhah, Mehdi Jafari
In 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 manif…