In my free time, I enjoy painting and at some point I was wondering how to address mathematicians in an efficient way. I figured out that creating slight breaks of symmetries and patterns does the job quite well. Geometrische Gemeinheiten is the German term for geometrical provocations. “Enjoy”!
Geom. Gemeinheit 1 Geom. Gemeinheit 2 Geom. Gemeinheit 3 Geom. Gemeinheit 4 Geom. Gemeinheit 5 Geom. Gemeinheit 6 Geom. Gemeinheit 7
Emptiness
In my article A Musical Review of the Empty Set, I investigated emptiness regarding mathematical and musical aspects. The painting you see below complements the series.

Plants
A willow catkin A winter version of my ivy plant