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Charles Coffin Sims (April 14, 1937 – October 23, 2017) 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 (also known as the Lyons–Sims group) and the O'Nan group (also known as the O'Nan–Sims group).

Sims was born and raised in Elkhart, Indiana, and received his B.S. from the University of Michigan. He did his graduate studies at Harvard University, where he was a student of John G. Thompson and received his Ph.D. degree 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 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.

In 2012, he became a fellow of the American Mathematical Society.

See also

• Higman–Sims graph
• Prevalence of p-groups
• Sims conjecture

References

1. "Charles Coffin Sims". Legacy. Retrieved 26 July 2019.
2. J. J. O'Connor and E. F. Robertson, Charles Sims biography, MacTutor History of Mathematics archive. Accessed 2018-12-20.
3. ^ "Charles Coffin Sims's Obituary". Asbury Park Press. Retrieved 2017-11-04.
4. Spring 2007 Newsletter. Department of Mathematics, Rutgers University. Accessed November 1, 2008.
5. List of Fellows of the American Mathematical Society, retrieved 2013-07-20.

External links

• Charles Sims at the Mathematics Genealogy Project
• Personal webpage

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• 1937 births
• 2017 deaths
• 20th-century American mathematicians
• 21st-century American mathematicians
• Group theorists
• Computational group theory
• Harvard University alumni
• Rutgers University faculty
• Fellows of the American Mathematical Society
• Mathematicians from Indiana
• University of Michigan alumni
• People from Elkhart, Indiana
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