Hamiltonian systems, the initial value constraints, and conserved quantities in G.R.: Lecture 1
Asymptotically flat manifolds: Lecture 2
The Yamabe constant: Lecture 3
Initial Data for the Cauchy Problem in General Relativity, Lecture 1
Initial Data for the Cauchy Problem in General Relativity, Lecture 2
Initial Data for the Cauchy Problem in General Relativity, Lecture 3
Initial Data for the Cauchy Problem in General Relativity, Lecture 4
References