|visits||member for||10 months|
|seen||Feb 20 at 2:02|
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.
|bio||website||pages.iu.edu/~rdlyons||visits||member for||10 months|
|location||Bloomington, IN||seen||Feb 20 at 2:02|
9 Votes Cast
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