Metric measure spaces and synthetic Ricci bounds: fundamental concepts and recent developments

KT Sturm - European Congress of Mathematics, 2023 - ems.press
Metric measure spaces with synthetic Ricci bounds have attracted great interest in recent
years, accompanied by spectacular breakthroughs and deep new insights. In this survey, I …

[HTML][HTML] Gradient flows and evolution variational inequalities in metric spaces. I: Structural properties

M Muratori, G Savaré - Journal of Functional Analysis, 2020 - Elsevier
This is the first of a series of papers devoted to a thorough analysis of the class of gradient
flows in a metric space (X, d) that can be characterized by Evolution Variational Inequalities …

Optimal transport, Cheeger energies and contractivity of dynamic transport distances in extended spaces

L Ambrosio, M Erbar, G Savaré - Nonlinear Analysis, 2016 - Elsevier
We introduce the setting of extended metric–topological measure spaces as a general
“Wiener like” framework for optimal transport problems and nonsmooth metric analysis in …

Configuration spaces over singular spaces--I. Dirichlet-Form and Metric Measure Geometry

LD Schiavo, K Suzuki - arXiv preprint arXiv:2109.03192, 2021 - arxiv.org
We construct a canonical differential structure on the configuration space $\Upsilon $ over a
singular base space $ X $ and with a general invariant measure $\mu $ on $\Upsilon $. We …

Riesz transforms for Dirichlet spaces tamed by distributional curvature lower bounds

S Esaki, ZJ Xu, K Kuwae - arXiv preprint arXiv:2308.12728, 2023 - arxiv.org
The notion of tamed Dirichlet space was proposed by Erbar, Rigoni, Sturm and Tamanini as
a Dirichlet space having a weak form of Bakry-\'Emery curvature lower bounds in distribution …

Massive Particle Systems, Wasserstein Brownian Motions, and the Dean--Kawasaki Equation

LD Schiavo - arXiv preprint arXiv:2411.14936, 2024 - arxiv.org
We develop a unifying theory for four different objects:(1) infinite systems of interacting
massive particles;(2) solutions to the Dean-Kawasaki equation with singular drift and space …

Optimal transport of stationary point processes: Metric structure, gradient flow and convexity of the specific entropy

M Erbar, M Huesmann, J Jalowy, B Müller - arXiv preprint arXiv …, 2023 - arxiv.org
We develop a theory of optimal transport for stationary random measures with a focus on
stationary point processes and construct a family of distances on the set of stationary …

Curvature bound of Dyson Brownian motion

K Suzuki - arXiv preprint arXiv:2301.00262, 2022 - arxiv.org
We show that a differential structure associated with the infinite particle Dyson Brownian
motion satisfies the Bakry-\'Emery nonnegative lower Ricci curvature bound $\mathsf …

The Littlewood-Paley-Stein inequality for Dirichlet space tamed by distributional curvature lower bounds

S Esaki, ZJ Xu, K Kuwae - arXiv preprint arXiv:2307.12514, 2023 - arxiv.org
The notion of tamed Dirichlet space by distributional lower Ricci curvature bounds was
proposed by Erbar, Rigoni, Sturm and Tamanini as the Dirichlet space having a weak form …

Wasserstein geometry and Ricci curvature bounds for Poisson spaces

LD Schiavo, R Herry, K Suzuki - arXiv preprint arXiv:2303.00398, 2023 - arxiv.org
Let $\varUpsilon $ be the configuration space over a complete and separable metric base
space, endowed with the Poisson measure $\pi $. We study the geometry of $\varUpsilon …