Salle 5, Site Marcelin Berthelot
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Abstract

The hydrodynamic reformulation of quadratic optimal transport extends quite naturally to Einstein's equations in vacuum, at the cost of matrix density and velocity fields and a multidimensional time variable. By adding the cosmological constant, we even get very close to Euler's model of compressible fluids with constant sound velocity (recent work with Philippe Anjolras).

Speaker(s)

Yann Brenier

CNRS, Laboratoire de Mathématiques d'Orsay, Université Paris-Saclay

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