Cosmological model-independent measurement of cosmic curvature using distance sum rule with the help of gravitational waves

@article{Wang2022CosmologicalMM,
  title={Cosmological model-independent measurement of cosmic curvature using distance sum rule with the help of gravitational waves},
  author={Yanjing Wang and Jing Qi and Bo Wang and Jingfei Zhang and Jinglei Cui and Xin Zhang},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2022}
}
Although the cosmic curvature has been tightly constrained in the standard cosmological model using observations of cosmic microwave background anisotropies, it is still of great importance to independently measure this key parameter using only late-universe observations in a cosmological model-independent way. The distance sum rule in strong gravitational lensing (SGL) provides such a way, provided that the three distances in the sum rule can be calibrated by other observations. In this… 

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