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We estimate the upper bound for the $\ell^{\infty}$-norm of the volume form on $\mathbb{H}^2\times\mathbb{H}^2\times\mathbb{H}^2$ seen as a class in…

Differential Geometry · Mathematics 2022-04-19 Xiaofeng Meng

Let $M$ be a compact $n$-dimensional Riemannian manifold with nonnegative Ricci curvature and mean convex boundary $\partial M$. Assume that the mean curvature $H$ of the boundary $\partial M$ satisfies $H \geq (n-1) k >0$ for some positive…

Differential Geometry · Mathematics 2020-01-06 Martin Li

Let $M$ be a Riemannian manifold with dimension greater or equal to $3$ which admits a complete, finite-volume Riemannian metric $g_0$ locally isometric to a rank-1 symmetric space of non-compact type. The volume entropy rigidity theorem…

Differential Geometry · Mathematics 2022-03-29 Yuping Ruan

We investigate properties of the pseudo-Riemannian volume, entropy, and diameter for convex cocompact representations $\rho : \Gamma \to \mathrm{SO}(p,q+1)$ of closed $p$-manifold groups. In particular: We provide a uniform lower bound of…

Differential Geometry · Mathematics 2024-02-27 Filippo Mazzoli , Gabriele Viaggi

We investigate the notion of concentration locus introduced in \cite{CacUrs22}, in the case of Riemann manifolds sequences and its relationship with the volume of tubes. After providing a general formula for the volume of a tube around a…

Differential Geometry · Mathematics 2023-08-02 S. L. Cacciatori , P. Ursino

By Gromov's compactness theorem for metric spaces, every uniformly compact sequence of metric spaces admits an isometric embedding into a common compact metric space in which a subsequence converges with respect to the Hausdorff distance.…

Differential Geometry · Mathematics 2008-10-29 Stefan Wenger

Given a closed Riemannian manifold of dimenion less than eight, we prove a compactness result for the space of closed, embedded minimal hypersurfaces satisfying a volume bound and a uniform lower bound on the first eigenvalue of the…

Differential Geometry · Mathematics 2015-09-24 Lucas Ambrozio , Alessandro Carlotto , Ben Sharp

Gromov and Sormani conjectured that a sequence of three dimensional Riemannian manifolds with nonnegative scalar curvature and some additional uniform geometric bounds should have a subsequence which converges in some sense to a limit space…

Differential Geometry · Mathematics 2023-10-05 Wenchuan Tian , Changliang Wang

Volume comparison theorem is a type of fundamental results in Riemannian geometry. In this article, we extend the volume comparison result in \cite{Besse2008} to the comparison of total $\sigma_l$-curvature with respect to…

Differential Geometry · Mathematics 2026-03-05 Jiaqi Chen , Yufei Shan , Yinghui Ye

In this article, we investigate critical metrics of the volume functional on complete manifolds without boundary. We prove that any critical metric of the volume functional on a connected, complete manifold with parallel Ricci tensor is…

Differential Geometry · Mathematics 2025-12-04 Caio Coimbra , Rafael Diógenes , Ernani Ribeiro

We generalize an inequality of E. Heintze and H. Karcher [8] for the volume of tubes around minimal submanifolds to an inequality based on integral bounds for $k$-Ricci curvature. Even in the case of a pointwise bound, this generalizes the…

Differential Geometry · Mathematics 2018-10-05 Yousef K. Chahine

We investigate the asymptotic expansion and the renormalized volume of minimal submanifolds, $Y^m$ of arbitrary codimension in Poincare-Einstein manifolds, $M^{n+1}$. In particular, we derive formulae for the first and second variations of…

Differential Geometry · Mathematics 2024-11-26 Jared Marx-Kuo

In the celebrated book entitled Metric Structures for Riemannian and Non-Riemannian Spaces, so-called Green Book, Gromov presented a problem regarding a metric measure space. Gromov posed the question Bound the expansion coefficient from…

Differential Geometry · Mathematics 2016-11-18 Ushio Tanaka

We study the existence of conformal metrics on non-compact Riemannian manifolds with non-compact boundary, which are complete as metric spaces and have negative constant scalar curvature in the interior and negative constant mean curvature…

Differential Geometry · Mathematics 2022-09-02 Juan Alcon Apaza , Sergio Almaraz

We study the isoperimetric structure of asymptotically flat Riemannian 3-manifolds (M,g) that are C^0-asymptotic to Schwarzschild of mass m>0. Refining an argument due to H. Bray we obtain an effective volume comparison theorem in…

Differential Geometry · Mathematics 2013-01-31 Michael Eichmair , Jan Metzger

We study the problem of existence of isoperimetric regions for large volumes, in $C^0$-locally asymptotically Euclidean Riemannian manifolds with a finite number of $C^0$-asymptotically Schwarzschild ends. Then we give a geometric…

Differential Geometry · Mathematics 2021-01-22 Abraham Henrique Muñoz Flores , Stefano Nardulli

In this paper we determine the topology of three-dimensional complete orientable Riemannian manifolds with a uniform lower bound of sectional curvature whose volume is sufficiently small.

Differential Geometry · Mathematics 2007-05-23 Takashi Shioya , Takao Yamaguchi

We relate the uniqueness of asymptotic limits for noncollapsed Ricci flat manifolds with linear volume growth to the existence of a harmonic function asymptotic to a Busemann function. Parallel to the work of Colding--Minicozzi in the…

Differential Geometry · Mathematics 2026-01-06 Zetian Yan , Xingyu Zhu

It is well known that an $m$-dimensional Riemannian manifold can be locally isometrically embedded into the $m+1$-dimensional Euclidean space if and only if there exists a symmetric 2-tensor field satisfying the Gauss and Codazzi equations.…

Differential Geometry · Mathematics 2022-06-09 Yoshio Agaoka , Takahiro Hashinaga

One of the main aims of this article is to give the complete classification of critical metrics of the volume functional on a compact manifold $M$ with boundary $\partial M$ and with harmonic Weyl tensor, which improves the corresponding…

Differential Geometry · Mathematics 2017-10-18 H. Baltazar , R. Batista , K. Bezerra