2008
DOI: 10.1007/s11856-008-1064-4
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Classification results for biharmonic submanifolds in spheres

Abstract: We study biharmonic submanifolds of the Euclidean sphere that satisfy certain geometric properties. We classify: (i) the biharmonic hypersur- faces with at most two distinct principal curvatures; (ii) the conformally flat biharmonic hypersurfaces. We obtain some rigidity results for pseudo- umbilical biharmonic submanifolds of codimension 2 and for biharmonic surfaces with parallel mean curvature vector field. We also study the type, in the sense of B-Y. Chen, of compact proper biharmonic submanifolds with con… Show more

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Cited by 136 publications
(184 citation statements)
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“…The space forms were the first ambient spaces investigated regarding to the existence and classification of proper-biharmonic submanifolds. All the known results obtained for proper-biharmonic submanifolds in Euclidean and hyperbolic spaces were non-existence results (see, for example, [8,22,24,33]). Therefore, the following was conjectured.…”
Section: H) Being the Corresponding Structures If ϕ : M → N Is A Smomentioning
confidence: 99%
See 2 more Smart Citations
“…The space forms were the first ambient spaces investigated regarding to the existence and classification of proper-biharmonic submanifolds. All the known results obtained for proper-biharmonic submanifolds in Euclidean and hyperbolic spaces were non-existence results (see, for example, [8,22,24,33]). Therefore, the following was conjectured.…”
Section: H) Being the Corresponding Structures If ϕ : M → N Is A Smomentioning
confidence: 99%
“…The case of biharmonic hypersurfaces with at most three distinct principal curvatures was approached by first proving that proper-biharmonic hypersurfaces with constant mean curvature in S m+1 , m ≥ 2, have positive constant scalar curvature (see [8]). Then, using certain results on isoparametric hypersurfaces, it was proved that there exist no compact properbiharmonic hypersurfaces of constant mean curvature and with three distinct principal curvatures everywhere in the unit Euclidean sphere (see [9]).…”
Section: Theorem ([8]) a Hypersurface With At Most Two Distinct Prinmentioning
confidence: 99%
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“…There are several classification results for the proper-biharmonic submanifolds in Euclidean spheres and non-existence results for such submanifolds in space forms N c , c ≤ 0 ( [4], [5], [7], [8], [9], [10], [13]), while in spaces of non-constant sectional curvature only few results were obtained ( [1], [12], [18], [19], [25], [29]). …”
Section: Introductionmentioning
confidence: 99%
“…Further, the properbiharmonic curves of S n , n > 3, are those of S 3 (up to a totally geodesic embedding). Concerning the hypersurfaces of S n , it was conjectured in [4] that the only properbiharmonic hypersurfaces are the open parts of S n−1 ( 1…”
Section: Introductionmentioning
confidence: 99%