Lewis Napper visited Paris last week (22-24 November) to give an invited talk at the conference associated with the network “Géométrie Différentielle et Mécanique“, held at the conference centre of the University of Sorbonne. Lewis spoke in a session on the 23rd November on “Monge-Ampere geometry and incompressible Navier-Stokes flows“. A link to the conference webpage with programme and abstracts is available (link here). The image below shows Paris in autumn.