Physics-informed neural networks reproduce the Schwarzschild and q-metric spacetimes with small error, but the q-metric result relies on an ansatz that already contains the exact solution.
The geometric and physical properties of this metric have been in- vestigated in detail in [7, 9–14]
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Solving Einstein's Vacuum Equations with Physics-Informed Neural Networks: Boundary Conditions and Domain Decomposition
Physics-informed neural networks reproduce the Schwarzschild and q-metric spacetimes with small error, but the q-metric result relies on an ansatz that already contains the exact solution.