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The Tau of Ramanujan

Eknath Ghate, School of Mathematics, TIFR Mumbai
Eknath Ghate, School of Mathematics, TIFR Mumbai
When Nov 25, 2016
from 04:00 PM to 05:00 PM
Where LH 006
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Abstract: The sequence of numbers 1, -24, 252, -1472, 4830, ... was extensively studied by the great Indian mathematician Ramanujan almost a century ago. These numbers - the values of Ramanujan's tau-function - have been the guiding force behind several themes in Number Theory. They continue to tantalize us with easy-to-understand problems some of which are still open today. This talk will be a relaxed introduction to these numbers, leading up to the speaker's own research, and is meant for a general audience.

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