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Indian mathematician Srinivasa Ramanujan writes his first letter to G. H. Hardy at Cambridge, stating without proof various formulae involving integrals, infinite series, and continued fractions, beginning a long correspondence between the two as well as widespread recognition of Ramanujan's results.

Historical image related to Indian mathematician Srinivasa Ramanujan writes his first letter to G. H. Hardy at Cambridge, stating without proof various formulae involving integrals, infinite series, and continued fractions, beginning a long correspondence between the two as well as widespread recognition of Ramanujan's results. from January 16, 1913

Srinivasa Ramanujan

Indian mathematician (1887–1920)

Srinivasa Ramanujan Aiyangar was an Indian mathematician. Often regarded as one of the greatest mathematicians of all time, though he had almost no formal training in pure mathematics, he made substantial contributions to mathematical analysis, number theory, infinite series,…
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G. H. Hardy

British mathematician (1877–1947)

Godfrey Harold Hardy was an English mathematician, known for his achievements in number theory and mathematical analysis. In biology, he is known for the Hardy–Weinberg principle, a basic principle of population genetics.
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University of Cambridge

Public collegiate university in England

The University of Cambridge is a public collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the world's third-oldest university in continuous operation. The university's founding followed the arrival of scholars who left the…
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Integral

Operation in mathematical calculus

In mathematics, an integral is the continuous analog of a sum, which is used to calculate areas, volumes, and their generalizations. Integration, the process of computing an integral, is one of the two fundamental operations of calculus, the other being differentiation.…
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Series (mathematics)

Infinite sum

In mathematics, a series is, roughly speaking, an addition of infinitely many terms, one after the other. The study of series is a major part of calculus and its generalization, mathematical analysis. Series are used in most areas of mathematics, even for studying finite…
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Continued fraction

Mathematical expression

A continued fraction is a mathematical expression that can be written as a fraction with a denominator that is a sum that contains another simple or continued fraction. Depending on whether this iteration terminates with a simple fraction or not, the continued fraction is finite…
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January 16

Day of the year

January 16 is the 16th day of the year in the Gregorian calendar; 349 days remain until the end of the year.
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