William Burnside

For the Captain America of the 1950s, see William Burnside (comics).

William Burnside
William Burnside
Born	(1852-07-02)2 July 1852 London, England
Died	Cotleigh, West Wickham
Citizenship	British
Fields	Finite group theory
Alma mater	St John's College, Cambridge and Pembroke College, Cambridge
Influenced	Philip Hall
Notable awards	Smith's Prize (1875) De Morgan Medal (1899) Royal Medal (1904)

William Burnside (2 July 1852 – 21 August 1927) was an English mathematician. He is known mostly as an early researcher in the theory of finite groups.

Burnside was born in London, and attended St. John's and Pembroke Colleges at the University of Cambridge, where he was the Second Wrangler in 1875. He lectured at Cambridge for the following ten years, before being appointed professor of mathematics at the Royal Naval College in Greenwich. While this was a little outside the main centres of British mathematical research, Burnside remained a very active researcher, publishing more than 150 papers in his career.

Burnside's early research was in applied mathematics. This work was of sufficient distinction to merit his election as a fellow of the Royal Society in 1893, though it is little remembered today. Around the same time as his election his interests turned to the study of finite groups. This was not a widely studied subject in Britain in the late 19th century, and it took some years for his research in this area to gain widespread recognition.

The central part of Burnside's group theory work was in the area of group representations, where he helped to develop some of the foundational theory, complementing, and sometimes competing with, the work of Ferdinand Frobenius, who began his research in the subject during the 1890s. One of Brunside's best known contributions to group theory is his p^aq^b theorem, which shows that every finite group whose order is divisible by fewer than three distinct primes is solvable.

In 1897 Burnside's classic work Theory of Groups of Finite Order was published. The second edition (pub. 1911) was for many decades the standard work in the field. A major difference between the editions was the inclusion of character theory in the second.

Burnside is also remembered for the formulation of Burnside's problem that concerns the question of bounding the size of a group if there are fixed bounds both on the order of all of its elements and the number of elements needed to generate it, and also for Burnside's lemma (a formula relating the number of orbits of a permutation group acting on a set with the number of fixed points of each of its elements) though the latter had been discovered earlier and independently by Frobenius and Augustin Cauchy.

He received an honorary doctorate (D.Sc.) from the University of Dublin in June 1901.

In addition to his mathematical work, Burnside was a noted rower. While he was a lecturer at Cambridge, he also coached the rowing crew team. In fact, his obituary in The Times took more interest in his athletic career, calling him "one of the best known Cambridge athletes of his day".

See also

• Burnside theorem
• Burnside's lemma
• Burnside ring

References

• Review

External links

• Works written by or about William Burnside at Wikisource
• Works by William Burnside at Project Gutenberg
• .
• William Burnside at the Mathematics Genealogy Project