Bryan John Birch
Mathematician, Academic
1931 –
Who is Bryan John Birch?
Bryan John Birch F.R.S. is a British mathematician. His name has been given to the Birch and Swinnerton-Dyer conjecture.
He was born in Burton-on-Trent, the son of Arthur Jack and Mary Edith Birch. He was educated at Shrewsbury School and Trinity College, Cambridge. He married Gina Margaret Christ in 1961. They have three children.
As a doctoral student at the University of Cambridge, he was officially working under J. W. S. Cassels. More influenced by Harold Davenport, he proved Birch's theorem, one of the definitive results to come out of the Hardy–Littlewood circle method; it shows that odd-degree rational forms in a large enough set of variables must have zeroes.
He then worked closely with Peter Swinnerton-Dyer on computations relating to the Hasse–Weil L-functions of elliptic curves. Their subsequently formulated conjecture relating the rank of an elliptic curve to the order of zero of an L-function was a major influence on the development of number theory from the mid-1960s onwards. He introduced modular symbols in about 1971. As of 2006 only partial results have been obtained.
In later work he contributed to algebraic K-theory. He then formulated ideas on the role of Heegner points. Birch put together the context in which the Gross–Zagier theorem was proved; the correspondence is now published.
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- Born
- Sep 25, 1931
Burton upon Trent - Nationality
- United Kingdom
- Profession
- Education
- Trinity College, Cambridge
- University of Cambridge
Submitted
on July 23, 2013
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