1
Differential Geometry and General Relativity. Volume 1 [E-Book] /
Table of Contents: ... Relativity -- Solving the Einstein's Equation -- Schwarzschild Spacetimes -- Cosmology -- Appendix: The Conversion Between Systems of Geometrized and Nongeometrized Units....

Full text 
2
Einstein Constraints and Ricci Flow [E-Book] : A Geometrical Averaging of Initial Data Sets /