From Cusps to Funnels of constant scalar curvature and CMC submanifolds
摘要
In this paper we show how to replace hyperbolic cusps of a constant scalar curvature manifold with ends of infinite volume - funnels - keeping the scalar curvature constant and negative. This construction produces stable minimal tori belonging to a constant mean curvature foliation extending up to infinity. We discuss the relation of this construction with Penrose-type inequalities on time-symmetric relativistic initial data.