130 reputation
bio website pages.iu.edu/~rdlyons
location Bloomington, IN
visits member for 6 months
seen Aug 8 at 23:26

I am a professor of mathematics at IU. My profile picture is based on the IU symbol. It is the identity element of the sandpile group on a part of the square lattice. The color coding is that height 0 is black, height 1 is blue, height 2 is red, and height 3 is dark yellow.

This user has not answered any questions

3 Votes Cast

all time   by type  
3 up 0 question
0 down 3 answer