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Conditional variational autoencoder inference of neutron star equation of state from astrophysical observations
Authors: Ferreira, M.; Bejger, M.
Ref.: Phys. Rev. D 111 (2), 023035 (2025)
Abstract: We present a new inference framework for neutron star astrophysics based on conditional variational autoencoders. Once trained, the generator block of the model reconstructs the neutron star equation of state from a given set of mass-radius observations. While the pressure of dense matter is the focus of the present study, the proposed model is flexible enough to accommodate the reconstructing of any other quantity related to dense matter equation of state. Our results show robust reconstructing performance of the model, allowing us to make instantaneous inference from any given observation set.
