Random walk on a circle
In fact, several constraint brownian motion changing colors according, of course, to a brownian motion.
"Circles of exponentials"
The length of each segment is distributed according to an exponential distribution.
• Mixing of gases •
In class, I teach the Ehrenfest model of gaz mixing (in Stochastic Process); this inspire me this model. I let discover how molecules can move in this setting... 
Back to Top