299 citations · 466 across the 19 of their papers we have counts for
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Reconstructing the Type Ia Supernova Absolute Magnitude with Two-Probe Physics-Informed Neural Networks
Denitsa Staicova
We apply two variants of Physics-Informed Neural Networks (PINNs) to reconstruct the Type~Ia supernova absolute magnitude from joint BAO and supernova data under four cosm…
Statistical Nuances in BAO Analysis: Likelihood Formulations and Non-Gaussianities
Denitsa Staicova
We present a systematic comparison of statistical approaches to Baryon Acoustic Oscillation (BAO) analysis using DESI DR2 data. We evaluate four methods for handling the nuisance p…
The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533
The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…
Modern Bayesian Sampling Methods for Cosmological Inference: A Comparative Study
Denitsa Staicova
We present a comprehensive comparison of different Markov Chain Monte Carlo (MCMC) sampling methods, evaluating their performance on both standard test problems and cosmological pa…
Studying the Supernova Absolute Magnitude Constancy with Baryonic Acoustic Oscillations
Denitsa Staicova
In this proceeding we review and expand on our recent work investigating the constancy of the absolute magnitude of Type Ia supernovae. In it, we used baryonic acoustic oscil…
Late-Time constraints on Interacting Dark Energy: Analysis independent of , and
David Benisty, Supriya Pan, Denitsa Staicova +2
We investigated a possible interaction between cold dark matter and dark energy, corresponding to a well-known interacting dark energy model discussed in the literature within the…