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'''Bryan John Birch''' [[Fellow of the Royal Society|F.R.S.]] (born 25 September 1931) is a British mathematician. His name has been given to the [[Birch and Swinnerton-Dyer conjecture]].
'''Bryan John Birch''' [[Fellow of the Royal Society|F.R.S.]] (born 25 September 1931) 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.
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.
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*''Modular function of one variable IV'' (editor) with W. Kuyk. Lecture Notes in Mathematics ''476''. Berlin: [[Springer Verlag]], 1975.
*''Modular function of one variable IV'' (editor) with W. Kuyk. Lecture Notes in Mathematics ''476''. Berlin: [[Springer Verlag]], 1975.
*''The Collected Works of Harold Davenport.'' (editor). London: Academic Press, 1977.
*''The Collected Works of Harold Davenport.'' (editor). London: Academic Press, 1977.

==References==
{{reflist}}
* [http://books.google.co.uk/books?id=3NSTvJvIZR4C&pg=PA1671&lpg=PA1671&dq=Robert+kerneys+thomas+frs&source=bl&ots=unXdAG2b0K&sig=R5sHnte3JL7FkMoTjEKQzy3quu4&hl=en&ei=TZD1S8qzENuTsQaqlvmPBg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBYQ6AEwAA#v=onepage&q=frs&f=false International Who's Who]


== External links ==
== External links ==

Revision as of 20:33, 20 May 2010

Bryan John Birch
Born (1931-09-25) 25 September 1931 (age 93)
Nationality United Kingdom
Alma materUniversity of Cambridge
Known forBirch and Swinnerton-Dyer conjecture
Scientific career
FieldsMathematics
InstitutionsUniversity of Oxford
Doctoral advisorJ. W. S. Cassels
Doctoral studentsJohn Merriman
Anthony Scholl
John Cremona

Bryan John Birch F.R.S. (born 25 September 1931) 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. As of 2006 only partial results have been obtained.

In later work he contributed to algebraic K-theory (Birch-Tate conjecture). He then formulated ideas on the role of Heegner points (he had been one of those reconsidering Kurt Heegner's original work, on the class number one problem, which had not initially regained acceptance). Birch put together the context in which the Gross-Zagier theorem was proved; the correspondence is now published.

He was elected a Fellow of the Royal Society in 1972; was awarded the Senior Whitehead Prize in 1993 and the De Morgan Medal in 2007 both of the London Mathematical Society.

Selected publications

  • Computers in Number Theory. (editor). London: Academic Press, 1973.
  • Modular function of one variable IV (editor) with W. Kuyk. Lecture Notes in Mathematics 476. Berlin: Springer Verlag, 1975.
  • The Collected Works of Harold Davenport. (editor). London: Academic Press, 1977.

References