One talks: Wenshuai Liu: Light and Flexible Neural Density Estimation for GW Posterior Distributions Ref. 1: KAN: Kolmogorov-Arnold Networks Yilun Zhang: An Introduction to Post-Newtonian Approximation Ref. 1: E. Poisson and C. M. Will. Gravity: Newtonian, Post-Newtonian, Relativistic.Cambridge University Press, Cambridge, England, 2014.