Around spectral gap, Poincaré and Brascamp-Lieb inequalities for some diffusion operators – Aldéric Joulin

Aldéric Joulin
IMT, Université de Toulouse

Date(s) : 20/01/2017   iCal
10 h 00 min - 11 h 00 min

In this talk, we derive quantitative estimates on the spectral gap for some diffusion operators. The idea is to use a notion of intertwining between gradient and operator allowing us to obtain Brascamp-Lieb inequalities, which in turn provide convenient lower bounds on the spectral gap.


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