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March 12, 2024 By GeometryAdmin

Gilles Carron to speak in geometry seminar 25 March

Gilles Carron (Nantes) will give the geometry seminar at 2pm on25th March in the Salle des Profs (9th floor building NO). Gilles title is “Kato meets Bakry-Emery” and his abstract is below.

This is a joint work with Ilaria Mondello and David Tewodrose. In 1985, Bakry and Emery have introduced a curvature condition for Weighted Riemannian manifold generalizing the lower bound on the Ricci curvature. This Bakry-Emery curvature have been extensively studied and have lead to the notion of synthetic lower bound on Ricci curvature for metric measure space by J.Lott-C.Villani et K-T. Sturm.

The Kato condition for the Ricci curvature is a weakening of the lower Ricci bound condition. With Ilaria Mondello and David Tewodrose, we have investigated limit of Riemannian manifold with such a Kato condition. Recently using a change times in Brownian motion, we have highlighted a relationship between the Kato condition and the Bakry-Emery condition. I will explain these conditions and this relationship and its potential usefulness.

Filed Under: geometry seminar news

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Département de mathématiques
Université libre de Bruxelles CP 218
Boulevard du Triomphe, Bruxelles 1050,
Belgium

Getting here

The department of mathematics is in building NO, on the Campus de la Plaine, of the Université libre de Bruxelles. The geometry group is on the 7th floor. This page has a map of the campus as well as information on how to reach it via public transport. See the STIB website for more information on public transport in Brussels.

Image credits

Polished ammonite fossil, by Kara Stenberg, Creative Commons licence CC BY-NC 2.0.

Model of 3D projection of a 120-cell, by Edmund Harriss.

The root system of the exceptional Lie algebra E8. By Jared Tarbell, Creative Commons Licence CC BY 2.0.

Getting here

The department of mathematics is in building NO, on the Campus de la Plaine, of the Université libre de Bruxelles. The geometry group is on the 7th floor. This map shows NO, as well as the metro station Delta and entrance 2, which is right by the stop for the number 71 and 72 buses. The number 95 also stops a short walk from the department. See the STIB website for more information on public transport in Brussels.

Image credits

Polished ammonite fossil, by Kara Stenberg, Creative Commons licence CC BY-NC 2.0.

Model of 3D projection of a 120-cell, by Edmund Harriss.

The root system of the exceptional Lie algebra E8. By Jared Tarbell, Creative Commons Licence CC BY 2.0.

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