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Related papers: Real hypersurfaces with isometric Reeb flow in Kae…

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We classify real hypersurfaces with isometric Reeb flow in the complex quadrics Q^m for m > 2. We show that m is even, say m = 2k, and any such hypersurface is an open part of a tube around a k-dimensional complex projective space CP^k…

Differential Geometry · Mathematics 2013-01-04 Jurgen Berndt , Young Jin Suh

We classify real hypersurfaces with isometric Reeb flow in the complex hyperbolic quadrics ${Q^*}^{m} = SO^{o}_{2,m}/SO_mSO_2$, $m \geq 3$. We show that $m$ is even, say $m = 2k$, and any such hypersurface becomes an open part of a tube…

Differential Geometry · Mathematics 2016-08-09 Young Jin Suh

This paper introduces the notion of $k$-isoparametric hypersurface in an $(n+1)$-dimensional Riemannian manifold for $k=0,1,...,n$. Many fundamental and interesting results (towards the classification of homogeneous hypersurfaces among…

Differential Geometry · Mathematics 2013-12-19 Jianquan Ge , Zizhou Tang , Wenjiao Yan

We classify totally geodesic and parallel hypersurfaces of four-dimensional non-reductive homogeneous pseudo-Riemannian manifolds.

Differential Geometry · Mathematics 2018-09-19 Giovanni Calvaruso , Reinier Storm , Joeri Van der Veken

We classify the self-similar solutions to a class of Weingarten curvature flow of connected compact convex hypersurfaces, isometrically immersed into space forms with non-positive curvature, and obtain a new characterization of a sphere in…

Differential Geometry · Mathematics 2009-05-07 Guanghan Li , Isabel Salavessa , Chuanxi Wu

We investigate isometric immersions of locally conformally Kaehler metrics into Hopf manifolds. In particular, we study Hopf-induced metrics on compact complex surfaces.

Differential Geometry · Mathematics 2019-12-23 Daniele Angella , Michela Zedda

We use a new method to give conditions for the existence of a local isometric immersion of a Riemannian $n$-manifold $M$ in $\mathbb{R}^{n+k}$, for a given $n$ and $k$. These equate to the (local) existence of a $k$-tuple of scalar fields…

Differential Geometry · Mathematics 2019-09-02 Dan Gregorian Fodor

We study the Hermitian curvature flow of locally homogeneous non-K\"ahler metrics on compact complex surfaces. In particular, we characterize the long-time behavior of the solutions to the flow. We also provide the first example of a…

Differential Geometry · Mathematics 2020-07-01 Francesco Pediconi , Mattia Pujia

Non-degenerate real hypersurfaces of almost Hermite-like manifolds are examined. Tangential real hypersurfaces are introduced and the main identities of such hypersurfaces are obtained. With the help of these identities, contact metric…

Differential Geometry · Mathematics 2023-07-04 Esra Erkan , mehmet Gulbahar

We construct a global hypersurface of section for the geodesic flow of a convex hypersurface in Euclidean space admits an isometric involution. This generalizes the Birkhoff annulus to higher dimensions.

Symplectic Geometry · Mathematics 2025-06-17 Sunghae Cho , Dongho Lee

It is known that a tube over a Kahler submanifold in a complex form is a Hopf hypersurface. In some sense the reverse statement is true: a connected compact generic immersed C^(2n-1) regular Hopf hypersurface in the complex projective plane…

Differential Geometry · Mathematics 2008-03-28 Alexander A. Borisenko

We classify all of real hypersurfaces $M$ with Reeb invariant shape operator in complex hyperbolic two-plane Grassmannians $SU_{2,m}/S(U_2{\cdot}U_m)$, $m \geq 2$. Then it becomes a tube over a totally geodesic…

Differential Geometry · Mathematics 2014-10-23 Hyunjin Lee , Mi Jung Kim , Young Jin Suh

In this paper, we study biharmonic hypersurfaces in Einstein manifolds. Then, we determine all the biharmonic hypersurfaces in irreducible symmetric spaces of compact type which are regular orbits of commutative Hermann actions of…

Differential Geometry · Mathematics 2015-07-08 Shinji Ohno , Takashi Sakai , Hajime Urakawa

This paper presents two results in the realm of conformal Kaehler submanifolds. These are conformal immersions of Kaehler manifolds into the standard flat Euclidean space. The proofs are obtained by making a rather strong use of several…

Differential Geometry · Mathematics 2024-05-17 L. J. Alías , S. Chion , M. Dajczer

Classification results for complex Riemannian foliations are obtained. For open subsets of irreducible Hermitian symmetric spaces of compact type, where one has explicit control over the curvature tensor, we completely classify such…

Differential Geometry · Mathematics 2019-05-07 Thomas Murphy , Paul-Andi Nagy

In this paper, we give a complete classification of $\kappa$-solutions of K\"{a}haler-Ricci flow on compact complex manifolds. Namely, they must be quotients of products of irreducible compact Hermitian symmetric manifolds.

Differential Geometry · Mathematics 2018-11-22 Yuxing Deng , Xiaohua Zhu

We investigate the metric behavior of the Kahler-Ricci flow on the Hirzebruch surfaces, assuming the initial metric is invariant under a maximal compact subgroup of the automorphism group. We show that, in the sense of Gromov-Hausdorff, the…

Differential Geometry · Mathematics 2018-12-14 Jian Song , Ben Weinkove

We introduce the notion of Fermi flow for hypersurfaces in Riemannian manifolds. It turns out that this is a powerful tool to study the geometry of distance surfaces about a given initial hypersurface. Some of the results in this paper are…

dg-ga · Mathematics 2008-02-03 Knut Smoczyk

We construct examples of inhomogeneous isoparametric real hypersurfaces in complex hyperbolic spaces.

Differential Geometry · Mathematics 2010-11-24 J. Carlos Diaz-Ramos , Miguel Dominguez-Vazquez

In this paper, the long-time existence and convergence results are derived for locally constrained flows with initial value some compact spacelike hypersurface that is suitably pinched in the de Sitter space. As applications, geometric…

Differential Geometry · Mathematics 2025-12-30 Yandi Dong , Kuicheng Ma
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