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'''Tirukkannapuram Vijayaraghavan''' ({{lang-ta|திருக்கண்ணபுரம் விஜயராகவன்}}; 30 November 1902 – 20 April 1955) was an | '''Tirukkannapuram Vijayaraghavan''' ({{lang-ta|திருக்கண்ணபுரம் விஜயராகவன்}}; 30 November 1902 – 20 April 1955) was an Indian mathematician from the [[Madras]] region. He worked with [[G. H. Hardy]] when he went to [[Oxford]] in mid-1920s on [[Pisot–Vijayaraghavan number]]s. He was a fellow of [[Indian Academy of Sciences]] elected in the year 1934. | ||
Vijayaraghavan was well versed in Sanskrit and Tamil. He was a close friend of [[André Weil]]. He served with him in [[Aligarh Muslim University]]. He later moved to the [[University of Dhaka]] in protest at Weil's firing from AMU.<ref>M.S. Raghunathan, [https://web.archive.org/web/20040104021712/http://www.ias.ac.in/currsci/aug252003/526.pdf Artless innocents and ivory-tower sophisticates: Some personalities on the Indian mathematical scene].</ref> | Vijayaraghavan was well versed in Sanskrit and Tamil. He was a close friend of [[André Weil]]. He served with him in [[Aligarh Muslim University]]. He later moved to the [[University of Dhaka]] in protest at Weil's firing from AMU.<ref>M.S. Raghunathan, [https://web.archive.org/web/20040104021712/http://www.ias.ac.in/currsci/aug252003/526.pdf Artless innocents and ivory-tower sophisticates: Some personalities on the Indian mathematical scene].</ref> | ||
Revision as of 06:57, 5 January 2022
Thirukannapuram Vijayaraghavan | |
|---|---|
| Born | 30 November 1902 |
| Died | 20 April 1955 (aged 52) |
| Occupation | mathematician |
Tirukkannapuram Vijayaraghavan (Tamil: திருக்கண்ணபுரம் விஜயராகவன்; 30 November 1902 – 20 April 1955) was an Indian mathematician from the Madras region. He worked with G. H. Hardy when he went to Oxford in mid-1920s on Pisot–Vijayaraghavan numbers. He was a fellow of Indian Academy of Sciences elected in the year 1934.
Vijayaraghavan was well versed in Sanskrit and Tamil. He was a close friend of André Weil. He served with him in Aligarh Muslim University. He later moved to the University of Dhaka in protest at Weil's firing from AMU.[1]
Vijayaraghavan proved a special case of Herschfeld's theorem on nested radicals:[2] For
converges if and only if
where denotes the limit superior.
References
- ↑ M.S. Raghunathan, Artless innocents and ivory-tower sophisticates: Some personalities on the Indian mathematical scene.
- ↑ Ramanujan, S. Collected Papers of Srinivasa Ramanujan (Ed. G. H. Hardy, P. V. S. Aiyar, and B. M. Wilson). Providence, RI: American Mathematical Society (2000), p. 348.
External links
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