Appendix

• Topological Censorship: original article
  • Article
  • Extract of the errata
• Prerequisite
  • Topology of a Manifold
  • Einstein Equation
• Some Solution of the Einstein Equation
  • Minkowski Spacetime
  • Schwarzschild Spacetime
  • Robertson & Walker Spacetime
  • The de Sitter Spacetime
• Tools
  • Penrose Diagram
  • GR-Tensor
    • Notations and Commands
    • Input
• Analogy with Fluid Dynamics
  • Analogy in the notation
  • Hypothesis
  • Equation
• Volume Expansion in Robertson & Walker
  • Timelike Geodesics
  • Null Geodesics
• Proof of the Theorem
  • The two Lemma
  • The Theorem
• Acknowledgment