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Related papers: Isoperimetric inequality in noncompact MCP spaces

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We prove a sharp dimension-free isoperimetric inequality, involving the volume entropy, in non-compact metric measure spaces with non-negative synthetic Ricci curvature.

Metric Geometry · Mathematics 2021-11-05 Bang-Xian Han

By using optimal mass transport theory we prove a sharp isoperimetric inequality in ${\sf CD} (0,N)$ metric measure spaces assuming an asymptotic volume growth at infinity. Our result extends recently proven isoperimetric inequalities for…

Differential Geometry · Mathematics 2022-02-22 Zoltán M. Balogh , Alexandru Kristály

This paper studies sharp isoperimetric comparison theorems and sharp dimensional concavity properties of the isoperimetric profile for non smooth spaces with lower Ricci curvature bounds, the so-called $N$-dimensional ${\rm RCD}(K,N)$…

Differential Geometry · Mathematics 2025-04-01 Gioacchino Antonelli , Enrico Pasqualetto , Marco Pozzetta , Daniele Semola

We prove a sharp isoperimetric inequality for measured Finsler manifolds having non-negative Ricci curvature and Euclidean volume growth. We also prove a rigidity result for this inequality, under the additional hypotheses of boundedness of…

Differential Geometry · Mathematics 2024-06-05 Davide Manini

This paper studies sharp and rigid isoperimetric comparison theorems and asymptotic isoperimetric properties for small and large volumes on $N$-dimensional ${\rm RCD}(K,N)$ spaces $(X,\mathsf{d},\mathscr{H}^N)$. Moreover, we obtain almost…

Differential Geometry · Mathematics 2023-10-10 Gioacchino Antonelli , Enrico Pasqualetto , Marco Pozzetta , Daniele Semola

We review recent results on the study of the isoperimetric problem on Riemannian manifolds with Ricci lower bounds. We focus on the validity of sharp second order differential inequalities satisfied by the isoperimetric profile of possibly…

Differential Geometry · Mathematics 2023-05-16 Marco Pozzetta

In this paper we provide new existence results for isoperimetric sets of large volume in Riemannian manifolds with nonnegative Ricci curvature and Euclidean volume growth. We find sufficient conditions for their existence in terms of the…

Differential Geometry · Mathematics 2022-03-08 Gioacchino Antonelli , Elia Bruè , Mattia Fogagnolo , Marco Pozzetta

We prove that on an essentially non-branching $\mathrm{MCP}(K,N)$ space, if a geodesic ball has a volume lower bound and satisfies some additional geometric conditions, then in a smaller geodesic ball (in a quantified sense) we have an…

Metric Geometry · Mathematics 2021-09-17 Xian-Tao Huang

The sharp isoperimetric inequality for non-compact Riemannian manifolds with non-negative Ricci curvature and Euclidean volume growth has been obtained in increasing generality with different approaches in a number of contributions…

Metric Geometry · Mathematics 2024-08-08 Fabio Cavalletti , Davide Manini

We prove that if $(X,\mathsf{d},\mathfrak{m})$ is a metric measure space with $\mathfrak{m}(X)=1$ having (in a synthetic sense) Ricci curvature bounded from below by $K>0$ and dimension bounded above by $N\in [1,\infty)$, then the classic…

Metric Geometry · Mathematics 2019-05-08 Fabio Cavalletti , Andrea Mondino

We prove existence of isoperimetric regions for every volume in non-compact Riemannian $n$-manifolds $(M,g)$, $n\geq 2$, having Ricci curvature $Ric_g\geq (n-1) k_0 g$ and being locally asymptotic to the simply connected space form of…

Differential Geometry · Mathematics 2019-05-08 Andrea Mondino , Stefano Nardulli

Given a smooth, complete Riemannian manifold $M$ with bounded Ricci curvature and positive injectivity radius, we derive a sharp Sobolev inequality for the embedding of $W^{1,p}(M)$ into $L^{\frac{np}{n-p}}(M)$, when $1\le p< n$. We will…

Analysis of PDEs · Mathematics 2026-02-09 Carlo Morpurgo , Stefano Nardulli , Liuyu Qin

The paper establishes a sharp and rigid isoperimetric-type inequality in Lorentzian signature under the assumption of Ricci curvature bounded below in the timelike directions. The inequality is proved in the high generality of Lorentzian…

Metric Geometry · Mathematics 2025-02-04 Fabio Cavalletti , Andrea Mondino

We prove that a proper geodesic metric space has non-positive curvature in the sense of Alexandrov if and only if it satisfies the Euclidean isoperimetric inequality for curves. Our result extends to non-geodesic spaces and non-zero…

Differential Geometry · Mathematics 2016-11-17 Alexander Lytchak , Stefan Wenger

In this paper we consider Riemannian manifolds of dimension at least $3$, with nonnegative Ricci curvature and Euclidean Volume Growth. For every open bounded subset with smooth boundary we establish the validity of an optimal Minkowski…

Differential Geometry · Mathematics 2024-11-06 Luca Benatti , Mattia Fogagnolo , Lorenzo Mazzieri

We prove that the results regarding the Isoperimetric inequality and Cheeger constant formulated in terms of the Minkowski content, obtained by the authors in previous papers in the framework of essentially non-branching metric measure…

Metric Geometry · Mathematics 2019-05-08 Fabio Cavalletti , Andrea Mondino

We establish the validity of the isoperimetric inequality (or equivalently, an $L^1$ Euclidean-type Sobolev inequality) on manifolds with asymptotically non-negative sectional curvature. Unlike previous results in the literature, our…

Differential Geometry · Mathematics 2025-03-12 Debora Impera , Stefano Pigola , Michele Rimoldi , Giona Veronelli

We prove that if $(X,\mathsf d,\mathfrak m)$ is an essentially non-branching metric measure space with $\mathfrak m(X)=1$, having Ricci curvature bounded from below by $K$ and dimension bounded from above by $N \in (1,\infty)$, understood…

Metric Geometry · Mathematics 2018-10-29 Fabio Cavalletti , Flavia Santarcangelo

For metric measure spaces verifying the reduced curvature-dimension condition $CD^*(K,N)$ we prove a series of sharp functional inequalities under the additional assumption of essentially non-branching. Examples of spaces entering this…

Metric Geometry · Mathematics 2019-05-08 Fabio Cavalletti , Andrea Mondino

In this paper we consider complete noncompact Riemannian manifolds $(M, g)$ with nonnegative Ricci curvature and Euclidean volume growth, of dimension $n \geq 3$. We prove a sharp Willmore-type inequality for closed hypersurfaces $\partial…

Differential Geometry · Mathematics 2019-02-07 Virginia Agostiniani , Mattia Fogagnolo , Lorenzo Mazzieri
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