42 citations · 347 across the 35 of their papers we have counts for
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math.DG2014★ 18 cited
Locally homogeneous pp-waves
Wolfgang Globke, Thomas Leistner
We show that every n-dimensional locally homogeneous pp-wave is a plane wave, provided it is indecomposable and its curvature operator, when acting on -forms, has rank greater t…
math.DG2014★ 12 cited
Cauchy problems for Lorentzian manifolds with special holonomy
Helga Baum, Thomas Leistner, Andree Lischewski
On a Lorentzian manifold the existence of a parallel null vector field implies certain constraint conditions on the induced Riemannian geometry of a space-like hypersurface. We wil…