A heat map of the heights of an approximation of the 2D GFF (red is high, blue is low) together with a zero contour line, drawn in black. Credit: Juhan Aru, EPFL
Juhan Aru is a new professor in Mathematics at EPFL where he holds the Chair of Random Geometry. His work aims at understanding geometric properties of models where randomness and geometry meet. Randomness and geometrical structures interact with one another in a plethora of real-life examples, such as bubbles in boiling water or snowflakes. But Professor Juhan Aru, EPFL's new Chair of Random Geometry , found a way to link his hobbies with work in another everyday phenomenon: clouds. "In the north, from where I come from, the summer skies are often filled with small puffy clouds - cumulus clouds," he says. "You often see them in Switzerland too. One of my favourite pastimes has always been to lie down on a field, a beach - why not a mountaintop? - and to watch these clouds." Aru considers himself lucky, as his current field of mathematics is actually linked to clouds.
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