Distribution of elementary signs

"The procedure has a layered structure and three independent pictures are generated within the format. […]The three pictures combined here use small squares and two kinds of triangular shapes as their elementary signs. They are of different colours. Within their fields, the squares follow an exponential distribution (it shows in the concentration of square heaps). […]

Frieder Nake – Biography

Frieder Nake studied mathematics at the University of Stuttgart (D), Ph.D. in probability theory in 1967.