In this work, biharmonic hypersurfaces of index 2 in pseudo-Euclidean space E52 are studied under the assumption of having mean curvature H whose gradient ÑH is light-like, i.e. hÑH;ÑHi = 0 and ÑH 6= 0. In the first two sections, the problem is introduced and some basic definitions and formulas that we will use in other part of the paper are recalled. Moreover, all possible canonical forms of the shape operator of a hypersurface of index 2 are obtained. In the third section of this work, for each of these cases, some of geometrical properties of hypersurfaces is investigated. In particular, there are 2 possible canonical forms of the shape operator for a biharmonic hypersurface such that whose gradient ÑH is light-like are obtained. After that, the non-existance of biharmonic hypersurface of index 2 in pseudo-Euclidean space E52 with the light-like ÑH is proved. In the last section, the results from this work is summarized and the discussion part is given.
Biharmonic hypersurfaces Pseudo-Euclidean space Semi-Riemannian submanifolds Shape operator
Primary Language | Turkish |
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Subjects | Engineering |
Journal Section | Articles |
Authors | |
Publication Date | December 25, 2019 |
Published in Issue | Year 2019 |
e-ISSN :1308-6529
Linking ISSN (ISSN-L): 1300-7688
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