Polyharmonic hypersurfaces into pseudo-Riemannian space forms
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In this paper, we shall assume that the ambient manifold is a pseudo-Riemannian space form N t m + 1 ( c ) of dimension m + 1 and index t ( m ≥ 2 and 1 ≤ t ≤ m ). We shall study hypersurfaces M t ' m which are polyharmonic of order r... ...
