Richard Evan Schwartz

Pappus's Theorem and the Modular Group: Information

Poster Explanation

This poster shows a fractal
set obtained by iterating Pappus's Theorem.
Here's a PDF document with more details.

publication history

This poster illustrates
the research in my paper

Pappus's Theorem and the Modular Group
I.H.E.S. Publications Mathematiques
(1993) Vol. 78 pp. 187-206

A small black and white version of the poster
appears in the intro to the paper.

make your own

I created the poster (and
the variants) using a tcl/tk
program I wrote. You can
download the program and
make your own posters
if your machine has tcl/tk.