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Abstract: (Elsevier)
Gravity theory on a line and in the plane is reviewed. The triviality of the planar Einstein model is avoided by adding sources and a topological mass term. A constant curvature model for two dimensional space-time, analogous to the theory in three dimensional space-time, is proposed.
  • inspirereview:I-d-6
  • TALK
  • GRAVITATION
  • FIELD THEORY: ONE-DIMENSIONAL
  • FIELD THEORY: TWO-DIMENSIONAL
  • Einstein equation
  • TENSOR: ENERGY-MOMENTUM
  • FIELD THEORY: SPACE-TIME
  • PARTICLE: MODEL
  • INVARIANCE: CONFORMAL