Hamilton 1982 dg/dt = -2 Ric; Perelman 2002-2003 entropy-monotonicity + neck-pinch surgery resolves Poincare-conjecture + geometrization (Thurston 1980).
Hamilton 1982 dg/dt = -2 Ric; Perelman 2002-2003 entropy-monotonicity + neck-pinch surgery resolves Poincare-conjecture + geometrization (Thurston 1980).