2 problems

Let $(N,g',y')$ be a blow-up limit given by Theorem 5.1, with maximal domain $N^{o}$ of positivity for the static potential $\bar{u}$, boundary $\partial N^{o}$, and event-horizon…

Four-dimensional constant sectional curvature conjecture. The sectional curvature of $(M^4,g)$ is constant.