KG Ramanathan

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KG Ramanathan

Kollagunta Gopalaiyer Ramanathan ( Telugu కొల్లగుంట గోపాల అయ్యర్ రామనాథన్ ; born November 10, 1920 in Hyderabad (India) , † May 10, 1992 in Bombay ) was an Indian mathematician who dealt with number theory .

Life

Ramanathan studied mathematics at Osmania University in Hyderabad with a bachelor's degree and at the University of Madras with a master's degree. His first work in number theory appeared in the 1940s. In 1948 he went to the USA at the Institute for Advanced Study (at the IAS) and received his doctorate in 1951 under Emil Artin in Princeton (The theory of units of quadratic and hermitian forms). At the IAS he was Hermann Weyl's assistant and was particularly influenced by Carl Ludwig Siegel . In 1951 he was back in India and went to the Tata Institute of Fundamental Research , where he became a professor and set up a number theory group with K. Chandrasekharan . In 1985 he retired.

Some of his first work in the 1940s dealt with the results of S. Ramanujan and later he studied his unpublished works (notebooks), which was reflected in several publications by Ramanathan.

He was a member of the Indian National Science Academy and the Indian Academy of Sciences. Ramanathan received the Shanti Swarup Bhatnagar Prize (1965), the Homi Bhabha medal and the Padma Bhushan (1983). He was president of the Indian Mathematical Society and for more than ten years editor of its Journal of the Indian Mathematical Society. He was also on the editorial board of Acta Arithmetica.

CP Ramanujam is one of his PhD students .

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