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British mathematician
Leonard James Rogers
FRS
[1] (30 March 1862 – 12 September 1933) was a British
mathematician who was the first to discover the
Rogers–Ramanujan identity and
Hölder's inequality, and who introduced
Rogers polynomials.
[2] The
Rogers–Szegő polynomials are named after him.
Early life and education
Rogers was born in
Oxford, the second son of
James Edwin Thorold Rogers and his second wife Anne Reynolds, and brother of
Annie Rogers.
[3] He matriculated at
Balliol College, Oxford, graduating
BA and
BMus in 1884 and
MA in 1887.
Academic career
Rogers became
lecturer in mathematics at
Wadham College, Oxford in 1885.
[4]
In 1888 Rogers was appointed
Professor of
Mathematics at the
Yorkshire College, by then a constituent college of the
Victoria University. The Yorkshire College became the
University of Leeds in 1904. In 1919 he retired because of poor health.
[3]
Rogers worked initially on reciprocants in the theory of
differential invariants, and then moved into the area of
special functions, where he anticipated results of Ramanujan. In the late 1920s, he published in the
Mathematical Gazette four notes on geometrical problems, including on
Malfatti's Problem.
Honours
He was elected a
Fellow of the Royal Society (FRS) in 1924.
[3]
Death
Rogers died in Oxford on 12 September 1933, aged 71.
[3]
Publications
- Rogers, L. J. (February 1888),
"An extension of a certain theorem in inequalities",
Messenger of Mathematics, New Series, XVII (10): 145–150,
JFM
20.0254.02, archived from
the original on 21 August 2007. The first paper containing
Hölder's inequality.
- Rogers, L. J. (12 April 1894),
"Second Memoir on the Expansion of certain Infinite Products",
Proceedings of the London Mathematical Society, s1, 25 (1): 318–343,
doi:
10.1112/plms/s1-25.1.318,
JFM
25.0432.01[
dead link]
Alt URL. The first paper containing the
Rogers–Ramanujan identities.
References
-
^ D., A. L. (1934). "Leonard James Rogers. 1862-1933".
Obituary Notices of Fellows of the Royal Society. 1 (3): 299–301.
doi:
10.1098/rsbm.1934.0013.
JSTOR
768830.
-
^ O'Connor, John J.;
Robertson, Edmund F.,
"Leonard James Rogers",
MacTutor History of Mathematics Archive,
University of St Andrews
- ^
a
b
c
d McConnell, Anita. "Rogers, Leonard James".
Oxford Dictionary of National Biography (online ed.). Oxford University Press.
doi:
10.1093/ref:odnb/35815. (Subscription or
UK public library membership required.)
-
^
Foster, Joseph (1888–1892).
"Rogers, Leonard James" .
Alumni Oxonienses: the Members of the University of Oxford, 1715–1886. Oxford: Parker and Co – via
Wikisource.
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