Introduction to Tensor Calculus for General Relativity

  • Introduction
  • Vectors and oneforms
    • Vectors
    • Oneforms and dual vector space
  • Tensors
    • Metric tensor
    • Basis vectors and oneforms
    • Tensor algebra
    • Change of basis
    • Coordinate bases
    • Isomorphism of vectors and oneforms
    • Example Euclidean plane
  • Differentiation and Integration
    • Gradient of a scalar
    • Gradient of a vector covariant derivative
    • Christoel symbols
    • Gradients of oneforms and tensors
    • Evaluating the Christoel symbols
    • Transformation to locally at coordinates
  • Tensor Calculus, Part 2
    • Introduction
    • Orthonormal Bases, Tetrads, and Commutators
      • Tetrads
      • Commutators
      • Connection for an orthonormal basis
  • Number-Flux Vector and Stress-Energy Tensor
    • Introduction
    • Number-Flux Four-Vector for a Gas of Particles
      • Lorentz Invariance of the Dirac Delta Function
    • Stress-Energy Tensor for a Gas of Particles
    • Uniform Gas of Non-Interacting Particles
  • Parallel transport and geodesics
    • Differentiation along a curve
    • Parallel transport
    • Geodesics
    • Integrals of motion and Killing vectors
  • Hamiltonian Dynamics of Particle Motion
    • Introduction
    • Geodesic Motion
    • Separating Time and Space
    • Hamiltonian mechanics and symplectic manifolds
      • Extended phase space
      • Reduction of order