Olof Sisask

Picture of me

I am an affiliated researcher and docent at the Department of Mathematics at Stockholm University, and a co-founder of dogl. Education-wise, I am interested in making concepts tangible, and in systematically trying to do things better. Research-wise, my main interests lie in a mixture of harmonic analysis, probability, combinatorics, and number theory. Before coming to Stockholm University, I've been at

Google Scholar provides some interesting links to papers and articles surrounding my research.

Contact details
You can usually reach me at olof.sisask[AT-tecken]math.su.se.
Public engagement
Have fun and understand stuff with interactive tools! The text is in Swedish, but the ideas universal. Unfortunately these are not yet fully self-contained, and might not work terribly well on mobile phones, but they will hopefully make sense to you if you attended one of my public lectures or the teacher development day Kleinerdagen at the Royal Swedish Academy of Sciences (KVA). If you want any of the other materials we used, please email me!

Want to study the emergence of a giant puddle in the random raindrop model? Here's a visualisation. (Puddles merge according to their barycentres.)


I find teaching important, and I think it's worth trying to do well. Sometimes it even works out: here is an extract of my teaching evaluation for Discrete Mathematics at KTH.

Some graduate school notes:

For my notes in other subjects, please see the respective course webpages.

Papers and articles