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Uncovering mathematical mysteries: What is the Poincare Conjecture?

Uncovering mathematical mysteries: What is the Poincare Conjecture?
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First Published: Fri, Jul 16 2010. 11 32 AM IST
Updated: Fri, Jul 16 2010. 11 32 AM IST
The fascinating story of the mathematician Grigori Perelman reached its climax a couple of weeks ago, when he turned down the $1 million Clay prize for solving the Poincare Conjecture.
Perelman has been in the news for four years now, as much for his work in three-dimensional geometry as for his reclusiveness.
On Just to Clarify today, we’re going to understand, a little bit, the problem that catapulted him to fame. The Poincare Conjecture was one of seven fiendishly difficult problems that had $1 million Clay prizes associated with their solution, and to explain it to us, we have with us Parameshwaran Sankaran, a professor at the Institute of Mathematical Sciences in Chennai.
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First Published: Fri, Jul 16 2010. 11 32 AM IST