Thomas John I'Anson Bromwich
Thomas John I'Anson Bromwich | |
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Born | Wolverhampton, Staffordshire, England | 8 February 1875
Died | 24 August 1929 Northampton, Northamptonshire, England | (aged 54)
Alma mater | St John's College, Cambridge |
Thomas John I'Anson Bromwich FRS (8 February 1875 – 24 August 1929) was an English mathematician, and a Fellow of the Royal Society.[1][2]
Life
Thomas John I'Anson Bromwich was born on 8 February 1875, in Wolverhampton, England. He was descended from Bryan I'Anson, of Ashby St Ledgers, Sheriff of London and father of the 17th century 1st Baronet Sir Bryan I'Anson of Bassetsbury.
His parents emigrated to
Work
Bromwich worked in both algebra and analysis. G. H. Hardy called him "The best pure mathematician among the applied mathematicians at Cambridge, and the best applied mathematician among the pure mathematicians".[1]
Today, Bromwich is perhaps best known for justifying Oliver Heaviside's operator calculus.[5] Part of this involved using a
Other topics Bromwich investigated include solutions of the Maxwell's equations, and the scattering of electromagnetic plane waves by spheres. He also investigated, and wrote a book on, the theory of quadratic forms.[6]
In 1906 he derived Bromwich inequality in the field of matrices which gives narrower bounds to characteristic roots than those given by Bendixson's inequality.[7]
In 1908 he wrote An introduction to the theory of infinite series.[8][9] A second edition appeared in 1926. G. H. Hardy praised the book highly, while criticizing the way in which it was laid out.[1] The book is still in print.[10]
Notes
- ^ a b c d .
- ^ His third name begins with an uppercase i, as opposed to a lowercase L.
- ^ "Bromwich, Thomas John I'Anson (BRMC892TJ)". A Cambridge Alumni Database. University of Cambridge.
- ^ "Cambridge Scholar's Suicide". Saffron Walden Weekly News. 30 August 1929. p. 7. Retrieved 25 October 2023.
- ^ Jeffreys, Harold (1929). "Bromwich's Work on Operational Methods". Journal of the London Mathematical Society. 3 (3): 220–223. .
- ^ . Retrieved 4 December 2008.
- ISBN 9780486166445. Retrieved 16 October 2018.
- S2CID 4047600.
- ^ Bromwich, Thomas John I'Anson (1908). "An Introduction to the Theory of Infinite Series (First edition)".
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Bromwich, Thomas John I'Anson (1926). An introduction to the theory of infinite series. American Mathematical Society Chelsea Publishing. ISBN 978-0-8284-0335-1. Here is the publisher's description
External links
- O'Connor, John J.; Robertson, Edmund F., "Thomas John I'Anson Bromwich", MacTutor History of Mathematics Archive, University of St Andrews, retrieved 5 December 2008