83Cxx General relativity
- 83C05 Einstein`s equations (general structure, canonical formalism, Cauchy problems)
- 83C10 Equations of motion
- 83C15 Exact solutions
- 83C20 Classes of solutions; algebraically special solutions, metrics with symmetries
- 83C22 Einstein-Maxwell equations
- 83C25 Approximation procedures, weak fields
- 83C27 Lattice gravity, Regge calculus and other discrete methods
- 83C30 Asymptotic procedures (radiation, news functions, H-spaces, etc.)
- 83C35 Gravitational waves
- 83C40 Gravitational energy and conservation laws; groups of motions
- 83C45 Quantization of the gravitational field
- 83C47 Methods of quantum field theory [See also 81T20]
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83C50 Electromagnetic fields
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- 83C55 Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.)
- 83C57 Black holes
- 83C60 Spinor and twistor methods; Newman-Penrose formalism
- 83C65 Methods of noncommutative geometry [See also 58B34]
- 83C75 Space-time singularities, cosmic censorship, etc.
- 83C80 Analogues in lower dimensions
- 83C99 None of the above, but in this section