The paper claims the sign of the Raychaudhuri expansion, and thus the presence of a cosmological singularity, flips when a hand-tuned conformal quantized metric is used in Schwarzschild, FLRW, and EGS models.
Then, ˜ut = ±v, where v can be identified with the speed of light in vacuum
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Vacuum Homogeneous and Nonhomogeneous Metrics with Conventional and Quantized Metric Tensor: Singular or Nonsingular Solution
The paper claims the sign of the Raychaudhuri expansion, and thus the presence of a cosmological singularity, flips when a hand-tuned conformal quantized metric is used in Schwarzschild, FLRW, and EGS models.