Ramachandran Balasubramanian

Ramachandran Balasubramanian (born 15 March 1951) is an Indian mathematician and was Director of the Institute of Mathematical Sciences in Chennai, India.[1] He is known for his work in number theory, which includes settling the final g(4) case of Waring's problem in 1986.[2][3] He is also known for his work in Cryptography which includes his famous work with Koblitz, now commonly called the Balu-Koblitz Theorem.[4] His work in Additive Combinatorics includes his two page paper on additive complements of squares, hence disproving a long standing conjecture of Erdős.[5]

His works on moments of Riemann zeta function is highly appreciated and he was a plenary speaker from India at ICM in 2010. He was a visiting scholar at the Institute for Advanced Study in 1980-81.[6]

He was a student of K. Ramachandra, a lifelong collaborator of Jean-Marc Deshouillers, and co-authored stellar mathematicians like Ram Murty, Kumar Murty, Heath-Brown, N. Koblitz and F. Luca. He was the founder and remains a member of the advisory board of the Hardy-Ramanujan Journal.

Awards and honours

He has received the following awards:

References

  1. ^ "IMSc Brochure". Archived from the original on 10 March 2009. Retrieved 7 February 2009.
  2. ^ Balasubramanian, Ramachandran; Deshouillers, Jean-Marc; Dress, François, Problème de Waring pour les bicarrés. I. Schéma de la solution. (French. English summary) [Waring's problem for biquadrates. I. Sketch of the solution] Comptes Rendus de l'Académie des Sciences, Série I 303 (1986), no. 4, pp. 85-88
  3. ^ Balasubramanian, Ramachandran; Deshouillers, Jean-Marc; Dress, François, Problème de Waring pour les bicarrés. II. Résultats auxiliaires pour le théorème asymptotique. (French. English summary) [Waring's problem for biquadrates. II. Auxiliary results for the asymptotic theorem] Comptes Rendus de l'Académie des Sciences, Série I 303 (1986), no. 5, pp. 161-163
  4. ^ Balasubramanian, R.; Koblitz, Neal (March 1998). "The Improbability That an Elliptic Curve Has Subexponential Discrete Log Problem under the Menezes—Okamoto—Vanstone Algorithm". Journal of Cryptology. 11 (2): 141–145. doi:10.1007/s001459900040. ISSN 0933-2790.
  5. ^ Balasubramanian, R (1 May 1988). "On the additive completion of squares". Journal of Number Theory. 29 (1): 10–12. doi:10.1016/0022-314X(88)90089-3. ISSN 0022-314X.
  6. ^ "Community of Scholars Profile: Balasubramanian, R." Institute for Advanced Study. Archived from the original on 25 November 2015. Retrieved 27 September 2012.
  7. ^ "French honour mathematician Balasubramanian". The Times Of India. 5 February 2003.
  8. ^ "India at a Glance". india.gov.in. Retrieved 4 March 2015.
  9. ^ List of Fellows of the American Mathematical Society, retrieved 2012-11-03.
  10. ^ "PM honours 4 N-scientists with lifetime achievement awards". rediff.com. 15 January 2013. Retrieved 4 March 2015.
  11. ^ "Indian Fellow". INSA. 2016. Archived from the original on 13 August 2016. Retrieved 13 May 2016.
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