Million-dollar math prize awarded, but not necessarily accepted

The reclusive mathematician who proved the Poincaré conjecture may or may not claim his prize

By Julie Rehmeyer, 12:56 PM April 2, 2010

The Clay Mathematics Institute announced March 18 that it is awarding its first Millennium Prize, this one for the resolution of the Poincaré conjecture, to Grigoriy Perelman, formerly of the Steklov Institute of Mathematics of the Russian Academy of Sciences in St. Petersburg.

Perelman first announced his proof of the conjecture in 2002, publishing a sketch of his result over the following months online. Dozens of mathematicians labored for several years to fill in the details of his proo...

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