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]
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. [4]
He has received the following awards:
In number theory, Waring's problem asks whether each natural number k has an associated positive integer s such that every natural number is the sum of at most s natural numbers raised to the power k. For example, every natural number is the sum of at most 4 squares, 9 cubes, or 19 fourth powers. Waring's problem was proposed in 1770 by Edward Waring, after whom it is named. Its affirmative answer, known as the Hilbert–Waring theorem, was provided by Hilbert in 1909. Waring's problem has its own Mathematics Subject Classification, 11P05, "Waring's problem and variants".
Marie Ennemond Camille Jordan was a French mathematician, known both for his foundational work in group theory and for his influential Cours d'analyse.
Prof Sergei Lvovich Sobolev HFRSE was a Soviet mathematician working in mathematical analysis and partial differential equations.
The French Academy of Sciences is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at the forefront of scientific developments in Europe in the 17th and 18th centuries, and is one of the earliest Academies of Sciences.
Gaston Tarry was a French mathematician. Born in Villefranche de Rouergue, Aveyron, he studied mathematics at high school before joining the civil service in Algeria. He pursued mathematics as an amateur.
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Georges-Henri Halphen was a French mathematician. He was known for his work in geometry, particularly in enumerative geometry and the singularity theory of algebraic curves, in algebraic geometry. He also worked on invariant theory and projective differential geometry.
The Institute of Mathematical Sciences (IMSc) is a research centre located in Chennai, India.
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Thierry Aubin was a French mathematician who worked at the Centre de Mathématiques de Jussieu, and was a leading expert on Riemannian geometry and non-linear partial differential equations. His fundamental contributions to the theory of the Yamabe equation led, in conjunction with results of Trudinger and Schoen, to a proof of the Yamabe Conjecture: every compact Riemannian manifold can be conformally rescaled to produce a manifold of constant scalar curvature. Along with Yau, he also showed that Kähler manifolds with negative first Chern classes always admit Kähler–Einstein metrics, a result closely related to the Calabi conjecture. The latter result, established by Yau, provides the largest class of known examples of compact Einstein manifolds. Aubin was the first mathematician to propose the Cartan–Hadamard conjecture.
François Proth was a French self-taught mathematician farmer who lived in Vaux-devant-Damloup near Verdun, France.
Gustave Choquet was a French mathematician.
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Hervé Jacquet is a French American mathematician, working in automorphic forms. He is considered one of the founders of the theory of automorphic representations and their associated L-functions, and his results play a central role in modern number theory.
The Janssen Medal is an astrophysics award presented by the French Academy of Sciences to those who have made advances in this area of science.
Jean-Marc Deshouillers is a French mathematician, specializing in analytic number theory. He is a professor at the University of Bordeaux.
The Valz Prize(Prix Valz) was awarded by the French Academy of Sciences, from 1877 through 1970, to honor advances in astronomy.
Henri Skoda is a French mathematician, specializing in the analysis of several complex variables.
Étienne Halphen was a French mathematician. He was known for his work in geometry, on probability distributions and information theory.
Frédéric Ladislas Joseph Marty was a French mathematician.
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