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Metric measure spaces satisfying Ricci curvature lower bounds II

Introductory Workshop: Modern Riemannian Geometry January 18, 2016 - January 22, 2016

January 22, 2016 (02:00 PM PST - 03:00 PM PST)
Speaker(s): Andrea Mondino (University of Warwick)
Location: MSRI: Simons Auditorium
  • differential geometry

  • Riemannian geometry

  • modern geometry

  • curvature

  • curvature estimates

  • Ricci curvature

  • Ricci curvature lower bounds

Primary Mathematics Subject Classification
Secondary Mathematics Subject Classification No Secondary AMS MSC



The idea of compactifying the space of Riemannian manifolds satisfying Ricci curvature lower bounds goes back to Gromov in the '80s and was pushed by Cheeger and Colding in the '90s who investigated the structure of the spaces arising as Gromov-Hausdorff limits of smooth Riemannian manifolds satisfying Ricci curvature lower bounds. A completely new approach via optimal transportation was proposed by Lott-Villani and Sturm almost ten years ago; with this approach one can  give a precise meaning of what means for a non smooth space to have Ricci curvature bounded from below by a constant. This approach has been refined in the last years by a number of authors and a number of fundamental tools have now been established (for instance the Bochner inequality, the splitting theorem, Levy-Gromov isoperimetric inequality, etc.), permitting to give further insights in the theory. The goal of the lectures is to give an introduction to the subject:
-In the first lecture I will introduce Ricci curvature lower bounds for metric measure spaces and discuss basic properties.
- The second lecture will be devoted to the study of  analytic and geometric properties of such  spaces, in particular I will present the proof of the Levy-Gromov isoperimetric inequality  (joint work with Fabio Cavalletti).

25672?type=thumb Mondino Notes 388 KB application/pdf Download
Video/Audio Files


H.264 Video 14437.mp4 313 MB video/mp4 rtsp://videos.msri.org/data/000/025/314/original/14437.mp4 Download
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