“I did not believe that it was possible to study the Brownian motion with such a precision.” From a letter from Albert Einstein to Jean Perrin (1909). On 30 April 1905, Einstein completed his doctoral ...

This is a preview. Log in through your library . Abstract We consider the model of Brownian motion indexed by the Brownian tree. For every r ≥ 0 and every connected component of the set of points ...

The answer to this question puts a spotlight on two revolutionary 19th-century scientists. In 1828, the Scottish botanist Robert Brown published his observation that tiny particles in suspension were ...

This is a preview. Log in through your library . Abstract In a recent article, van Fraassen has taken issue with the use to which Perrin's experiments on Brownian motion have been put by philosophers, ...