activity
20112024
most citedSharp and rigid isoperimetric inequalities in metric-measure spaces with lower Ricci curvature bounds

96 citations · 386 across the 22 of their papers we have counts for

collaborators

32 papers

math.MG2024★ 1 cited

A sharp isoperimetric-type inequality for Lorentzian spaces satisfying timelike Ricci lower bounds

Fabio Cavalletti, Andrea Mondino

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…

math.MG2021★ 1 cited

Isoperimetric inequality in noncompact MCP spaces

Fabio Cavalletti, Davide Manini

We prove a sharp isoperimetric inequality for the class of metric measure spaces verifying the synthetic Ricci curvature lower bounds and having Euclidean volume growth…

math.DG2021

Geometry of Grassmannians and optimal transport of quantum states

Paolo Antonini, Fabio Cavalletti

Let be a separable Hilbert space. We prove that the Grassmannian of the finite dimensional subspaces of is an Alexandrov space…

math.DG2020

Indeterminacy estimates and the size of nodal sets in singular spaces

Fabio Cavalletti, Sara Farinelli

We obtain the sharp version of the uncertainty principle recently introduced in [47], and improved by [13], relating the size of the zero set of a continuous function having zero m…

math.DG2020

Independence of synthetic Curvature Dimension conditions on transport distance exponent

Afiny Akdemir, Fabio Cavalletti, Andrew Colinet +2

The celebrated Lott-Sturm-Villani theory of metric measure spaces furnishes synthetic notions of a Ricci curvature lower bound joint with an upper bound on the dimension. T…

math.MG2020★ 2 cited

Displacement convexity of Entropy and the distance cost Optimal Transportation

Fabio Cavalletti, Nicola Gigli, Flavia Santarcangelo

During the last decade Optimal Transport had a relevant role in the study of geometry of singular spaces that culminated with the Lott-Sturm-Villani theory. The latter is built on…

math.MG2020★ 39 cited

Optimal transport in Lorentzian synthetic spaces, synthetic timelike Ricci curvature lower bounds and applications

Fabio Cavalletti, Andrea Mondino

The goal of the present work is three-fold. The first goal is to set foundational results on optimal transport in Lorentzian (pre-)length spaces, including cyclical monotonicity, s…

math.FA2019★ 16 cited

Quantitative Obata's Theorem

Fabio Cavalletti, Andrea Mondino, Daniele Semola

We prove a quantitative version of Obata's Theorem involving the shape of functions with null mean value when compared with the cosine of distance functions from single points. The…

math.MG2018

Isoperimetric inequality under Measure-Contraction property

Fabio Cavalletti, Flavia Santarcangelo

We prove that if is an essentially non-branching metric measure space with , having Ricci curvature bounded from below by and dime…

math.MG2018★ 2 cited

An overview of L1 Optimal Transportation on metric measure spaces

Fabio Cavalletti

The scope of this note is to make a self-contained survey of the recent developments and achievements of the theory of L1-Optimal Transportation on metric measure spaces. Among the…

math.MG2018★ 41 cited

New formulas for the Laplacian of distance functions and applications

Fabio Cavalletti, Andrea Mondino

The goal of the paper is to prove an exact representation formula for the Laplacian of the distance (and more generally for an arbitrary 1-Lipschitz function) in the framework of m…

math.DG2017★ 14 cited

Almost euclidean Isoperimetric Inequalities in spaces satisfying local Ricci curvature lower bounds

Fabio Cavalletti, Andrea Mondino

Motivated by Perelman's Pseudo Locality Theorem for the Ricci flow, we prove that if a Riemannian manifold has Ricci curvature bounded below in a metric ball which moreover has alm…

math.DG2016

Rigidity for critical points in the Levy-Gromov inequality

Fabio Cavalletti, Francesco Maggi, Andrea Mondino

The Levy-Gromov inequality states that round spheres have the least isoperimetric profile (normalized by total volume) among Riemannian manifolds with a fixed positive lower bound…

math.MG2016

The Globalization Theorem for the Curvature Dimension Condition

Fabio Cavalletti, Emanuel Milman

The Lott-Sturm-Villani Curvature-Dimension condition provides a synthetic notion for a metric-measure space to have Ricci-curvature bounded from below and dimension bounded from ab…

math.MG2016★ 7 cited

Isoperimetric inequalities for finite perimeter sets under lower Ricci curvature bounds

Fabio Cavalletti, Andrea Mondino

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 th…

math.MG2016★ 49 cited

Optimal maps in essentially non-branching spaces

Fabio Cavalletti, Andrea Mondino

In this note we prove that in a metric measure space verifying the measure contraction property with parameters and , any optimal trans…

math.MG2015★ 82 cited

Sharp geometric and functional inequalities in metric measure spaces with lower Ricci curvature bounds

Fabio Cavalletti, Andrea Mondino

For metric measure spaces verifying the reduced curvature-dimension condition we prove a series of sharp functional inequalities under the additional assumption of esse…

math.MG2015

Tangent lines and Lipschitz differentiability spaces

Fabio Cavalletti, Tapio Rajala

We study the existence of tangent lines, i.e. subsets of the tangent space isometric to the real line, in tangent spaces of metric spaces. We first revisit the almost everywhere me…

math.MG2015★ 96 cited

Sharp and rigid isoperimetric inequalities in metric-measure spaces with lower Ricci curvature bounds

Fabio Cavalletti, Andrea Mondino

We prove that if is a metric measure space with having (in a synthetic sense) Ricci curvature bounded from below by and dime…

math.MG2015★ 13 cited

Measure rigidity of Ricci curvature lower bounds

Fabio Cavalletti, Andrea Mondino

The measure contraction property, for short, is a weak Ricci curvature lower bound conditions for metric measure spaces. The goal of this paper is to understand whic…

math.AP2014

A variational time discretization for the compressible Euler equations

Fabio Cavalletti, Marc Sedjro, Michael Westdickenberg

We introduce a variational time discretization for the multi-dimensional gas dynamics equations, in the spirit of minimizing movements for curves of maximal slope. Each timestep re…

math.AP2013

A Simple Proof of Global Existence for the 1D Pressureless Gas Dynamics Equations

Fabio Cavalletti, Marc Sedjro, Michael Westdickenberg

Sticky particle solutions to the one-dimensional pressureless gas dynamics equations can be constructed by a suitable metric projection onto the cone of monotone maps, as was shown…

math.MG2013

Monge problem in metric measure spaces with Riemannian curvature-dimension condition

Fabio Cavalletti

We prove the existence of solutions for the Monge minimization problem, addressed in a metric measure space enjoying the Riemannian curvature-dimension condition $\RCD(K,…

math.AP2013

A note on a residual subset of Lipschitz functions on metric spaces

Fabio Cavalletti

Let (X, d) be a quasi-convex, complete and separable metric space with reference probability measure m. We prove that the set of of real valued Lipschitz function with non zero poi…