Contents

• Introduction
  
• 4-Vectors & L-invariant
  
• Momentum-Energy 4-Vector
  
• Uniformly accel. observers
  
• Covariance vectors
  
• Metric tensor
  
• Gravity
  
• Metrics & tangent vectors
  
• Tensor algebra
  
• Christoffel symbols
  
• Geodesic equation
  
• Riemann tensor
  
• Equivalence Energy-Metric
  
• Einstein tensor
  
• Schwarzschild metric
  
• Gravitational red shift