What follows is still under construction, as of July 31, 2012.

1. My abstract
                               And here is my talk.

                                Alfredo Castaneda at UNAM has manufactured several kaleidoscopes and made beautiful images which you can see here or here.

2. Problems on Uniform Polyhedra and Related Groups for the Summer School


(and a little more on weaving polyhedra - method of Jean Pedersen)

3.     A crash course on reflection groups in Euclidean space

        Much the same  notes   with more materal on groups, their representations and presentations 


3.  Ryan Oulton's Maple program for producing the fundamental domain
    for a uniform polyhedron in one of our trihedral kaleidoscopes

4. Problems on Isometries in Euclidean spaces (for a 1999 conference, also in Cuernavaca)


                                             ********************

And here are problems for the subsequent Workshop on Abstract Polytopes  

                                                                  and my short talk.