Charles Sims (mathematician)

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Charles C. Sims at Oberwolfach in 2006

Charles Coffin Sims (April 14 1938[citation needed] – 23 October 2017) was an American mathematician best known for his work in group theory.[1] 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 (also known as Lyons–Sims group) and O'Nan group (also known as O'Nan–Sims group).

Sims was a student of John G. Thompson and received Ph.D. from Harvard University in 1963. In his thesis he enumerated p-groups, giving sharp asymptotic upper and lower bounds. Sims is one of the founders of computational group theory and is the eponym of the Schreier–Sims algorithm. He was a faculty member at the Department of Mathematics at Rutgers University from 1965 to 2007. During that period he had served, in particular, as Department Chair (1982–84) and Associate Provost for Computer Planning (1984–87). Sims retired from Rutgers in 2007 and moved to St. Petersburg, Florida.[2]

In 2012 he became a fellow of the American Mathematical Society.[3]

See also[edit]


  1. ^ "Charles Coffin Sims's Obituary". Asbury Park Press. Retrieved 2017-11-04.
  2. ^ Spring 2007 Newsletter. Department of Mathematics, Rutgers University. Accessed November 1, 2008.
  3. ^ List of Fellows of the American Mathematical Society, retrieved 2013-07-20.

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