2 problems

Consider initial data satisfying the appropriate energy conditions, with horizon area $A$, angular momentum $J$, and electric charge $Q$. Kerr–Newman extension conjecture. The ADM…

Consider very slowly rotating extremal Kerr–Newman black holes, with parameters satisfying $M^2=e^2+a^2$ and $|a|\ll M$, in the setting without spherical symmetry. Let the regulari…