The globalization theorem for the curvature-dimension condition

F Cavalletti, E Milman - Inventiones mathematicae, 2021 - Springer
Abstract 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 …

[图书][B] Comparison Finsler geometry

S Ohta - 2021 - Springer
The main aim of this book is to present recent developments of comparison geometry and
geometric analysis on Finsler manifolds in an accessible way to students and researchers …

Nonlinear geometric analysis on Finsler manifolds

S Ohta - European Journal of Mathematics, 2017 - Springer
This is a survey article on recent progress of comparison geometry and geometric analysis
on Finsler manifolds of weighted Ricci curvature bounded below. Our purpose is twofold …

Sharp isoperimetric and Sobolev inequalities in spaces with nonnegative Ricci curvature

ZM Balogh, A Kristály - Mathematische Annalen, 2023 - Springer
By using optimal mass transport theory we prove a sharp isoperimetric inequality in CD (0,
N) metric measure spaces assuming an asymptotic volume growth at infinity. Our result …

The globalization theorem for the curvature dimension condition

F Cavalletti, E Milman - arXiv preprint arXiv:1612.07623, 2016 - arxiv.org
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 …

Isoperimetric inequality in noncompact 𝖬𝖢𝖯 spaces

F Cavalletti, D Manini - Proceedings of the American Mathematical Society, 2022 - ams.org
We prove a sharp isoperimetric inequality for the class of metric measure spaces verifying
the synthetic Ricci curvature lower bounds Measure Contraction property ($\mathsf {MCP}(0 …

Rigidity for the spectral gap on RCD (K,∞)-spaces

N Gigli, C Ketterer, K Kuwada, S Ohta - American Journal of …, 2020 - muse.jhu.edu
We consider a rigidity problem for the spectral gap of the Laplacian on an ${\rm
RCD}(K,\infty) $-space (a metric measure space satisfying the Riemannian curvature …

Optimal transport and timelike lower Ricci curvature bounds on Finsler spacetimes

M Braun, S Ohta - Transactions of the American Mathematical Society, 2024 - ams.org
We prove that a Finsler spacetime endowed with a smooth reference measure whose
induced weighted Ricci curvature $\mathrm {Ric} _N $ is bounded from below by a real …

Equality in the logarithmic Sobolev inequality

S Ohta, A Takatsu - manuscripta mathematica, 2020 - Springer
We investigate the rigidity problem for the logarithmic Sobolev inequality on weighted
Riemannian manifolds satisfying Ric _ ∞ ≥ K> 0 Ric∞≥ K> 0. Assuming that equality …

Comparison Theorems on Weighted Finsler Manifolds and Spacetimes with ϵ-Range

Y Lu, E Minguzzi, S Ohta - Analysis and Geometry in Metric Spaces, 2022 - degruyter.com
Abstract We establish the Bonnet–Myers theorem, Laplacian comparison theorem, and
Bishop–Gromov volume comparison theorem for weighted Finsler manifolds as well as …