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arxiv: 1710.10627 · v1 · pith:XTDEAC74new · submitted 2017-10-29 · 🧮 math.DG

Real hypersurfaces of complex quadric in terms of star-Ricci tensor

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keywords star-riccihypersurfacestensorcomplexquadricrealaroundarticle
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In this article, we introduce the notion of star-Ricci tensors in the real hypersurfaces of complex quadric $Q^m$. It is proved that there exist no Hopf hypersurfaces in $Q^m,m\geq3$, with commuting star-Ricci tensor or parallel star-Ricci tensor. As a generalization of star-Einstein metric, star-Ricci solitons on $M$ are considered. In this case we show that $M$ is an open part of a tube around a totally geodesic $\mathbb{C}P^\frac{m}{2}\subset Q^{m},m\geq4$.

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