Closed three-dimensional vacuum static spaces

This article is devoted to the study of the closed vacuum static spaces. Based on the argument of maximum principle, we show that three-dimensional closed vacuum static spaces with scalar curvature 6 must be isometric to either the standard unit sphere S-3 (1) or a finite quotient of the torus S-1 (root 1/3) x S-2 (root 1/3).

Automated summary

This article focuses on the study of closed vacuum static spaces. By using the maximum principle argument, we demonstrate that three-dimensional closed vacuum static spaces with a scalar curvature of 6 must be isometric to either the standard unit sphere S-3 (1) or a finite quotient of the torus S-1 (root 1/3) x S-2 (root 1/3).