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math.DG2022★ 1 cited
Recurrent Lorentzian Weyl spaces
Andrei Dikarev, Anton S. Galaev, Eivind Schneider
We find the local form of all non-closed Lorentzian Weyl manifolds with recurrent curvature tensor.If the dimension of the manifold is greater than 3, then the confo…
math.DG2022★ 1 cited
ODEs whose symmetry groups are not fiber-preserving
Boris Kruglikov, Eivind Schneider
We observe that, up to conjugation, a majority of symmetric higher order ODEs (ordinary differential equations) and ODE systems have only fiber-preserving point symmetries. By expl…