I co-organize the online Codes and Expansions (CodEx) seminar. Many of the old talks are on YouTube.

A Github repository for code related to several projects

Personal information

Originally from Baltic, SD, I grew up in South Dakota and Minnesota. In addition to mathematics, I enjoy bicycling, reading, hiking, and listening to music. My wife, Christina Iverson, is a crossword constructor. Together we have a son (Wally, 4) and a daughter (Lena, 1). We live in the Roosevelt neighborhood of Ames, IA.

With my son, Wally, in Tucson, AZ, January 2020