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.
This metric characterizes a Universe that is both homogeneous and isotropic, undergoin g evolution through expansion or contraction [31]
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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.