George Birch Jerrard (25 November 1804 – 23 November 1863) was a British
mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems.
Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change.
History
On ...
.
He studied at
Trinity College, Dublin
, name_Latin = Collegium Sanctae et Individuae Trinitatis Reginae Elizabethae juxta Dublin
, motto = ''Perpetuis futuris temporibus duraturam'' (Latin)
, motto_lang = la
, motto_English = It will last i ...
from 1821 to 1827. His main work was on the
theory of equations, where he was reluctant to accept the validity of the work of
Niels Henrik Abel on the insolubility of the
quintic equation by
radical
Radical may refer to:
Politics and ideology Politics
*Radical politics, the political intent of fundamental societal change
*Radicalism (historical), the Radical Movement that began in late 18th century Britain and spread to continental Europe and ...
s. He found a way of using
Tschirnhaus transformations to eliminate three of the terms in an equation, which generalised work of
Erland Bring (1736–1798), and is now called
Bring–Jerrard normal form
In algebra, the Bring radical or ultraradical of a real number ''a'' is the unique real root of the polynomial
: x^5 + x + a.
The Bring radical of a complex number ''a'' is either any of the five roots of the above polynomial (it is thus m ...
.
Works
* ''An essay on the resolution of equations'', part 1, London 1858,
online.
References
*
External links
*
English mathematicians
1804 births
1863 deaths
Algebraists
19th-century British mathematicians
Alumni of Trinity College Dublin
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