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math.DG2023
Perturbations of Fefferman spaces over almost CR manifolds
Arman Taghavi-Chabert
We construct a one-parameter family of Lorentzian conformal structures on the canonical circle bundle of a partially integrable contact almost Cauchy-Riemann manifold. This builds…
math.DG2023
Perturbations of Fefferman spaces over CR three-manifolds
Arman Taghavi-Chabert
We introduce a generalisation of Fefferman's conformal circle bundle over a contact Cauchy-Riemann three-manifold. These can be viewed as exact `perturbations' of Fefferman's struc…