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Null 2-type space-like submanifolds of \(E_t^5\) with normalized parallel mean curvature vector. (English) Zbl 1113.53010
Summary: The purpose of this article is to classify 3-dimensional null 2-type space-like submanifolds of the pseudo-Eulidean space \(E^5_t\) which are constructed from the eigenfunctions of the Laplacian with two eigenvalues 0 and nonzero constant \(\lambda\), under certain assumptions.

53A35 Non-Euclidean differential geometry
53C40 Global submanifolds
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