# Math 21a Summer 2020

## Multivariable Calculus

# Talk of Cedric Villani, in 2015

Cedric Villani is a dazzling flashy mathematician. He is able to give original fantastic talks for a general audience both for mathematicians as well as for general audiences. In the following talk the gradient flow appears after about 16 minutes.**Lady of Shalott painting**from 1857 by William Maw Egley: