Poincaré Conjecture Numberphile

The famed Poincaré Conjecture the only Millennium Problem cracked thus far. Ricci Flow (used to solve the problem): Riemann Hypothesis: Extra interview footage with Jim Isenberg: Grigori Perelman s paper: Discussed here by Katie Steckles and James Isenberg. Website: Numberphile on Facebook: Numberphile tweets: