Probabilistic neural networks replace Gaussian processes as strain-spectrum interpolators in PTA gravitational-wave background inference, matching posteriors at lower training and MCMC cost.
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astro-ph.CO 1years
2026 1verdicts
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Replacing Gaussian Processes with Neural Networks in Pulsar Timing Array Inference of the Gravitational-Wave Background
Probabilistic neural networks replace Gaussian processes as strain-spectrum interpolators in PTA gravitational-wave background inference, matching posteriors at lower training and MCMC cost.