Search Results for author: Luigi Malago

Found 3 papers, 0 papers with code

Accelerating MCMC algorithms through Bayesian Deep Networks

no code implementations29 Nov 2020 Hector J. Hortua, Riccardo Volpi, Dimitri Marinelli, Luigi Malago

Markov Chain Monte Carlo (MCMC) algorithms are commonly used for their versatility in sampling from complicated probability distributions.

Reliable Uncertainties for Bayesian Neural Networks using Alpha-divergences

no code implementations15 Aug 2020 Hector J. Hortua, Luigi Malago, Riccardo Volpi

Bayesian Neural Networks (BNNs) often result uncalibrated after training, usually tending towards overconfidence.

regression

Constraining the Reionization History using Bayesian Normalizing Flows

no code implementations14 May 2020 Héctor J. Hortúa, Luigi Malago, Riccardo Volpi

Additionally, we demonstrate the advantages of Normalizing Flows (NF) combined with BNNs, being able to model more complex output distributions and thus capture key information as non-Gaussianities in the parameter conditional density distribution for astrophysical and cosmological dataset.

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