Charles Sims

American mathematician (1937-2017) · United States · On the map · Academics · Died at 80

Charles Coffin Sims was an American mathematician best known for his work in group theory. Together with Donald G. Higman he discovered the Higman-Sims group, one of the sporadic groups. The permutation group software developed by Sims also led to the proof of existence of the Lyons group and the O'Nan group.

Charles Sims is read about 3 times a day, in 8 languages.

A typical day, 30 days to 19 June 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

Something wrong?