Publications (8)
PyBird-JAX: Accelerated inference in large-scale structure with model-independent emulation of one-loop galaxy power spectra
Alexander Reeves, Pierre Zhang, Henry Zheng
We present , a differentiable, -based implementation of , using internal neural network emulators to accelerate computationally…
Multiprobe constraints on early and late time dark energy
Alexander Reeves, Simone Ferraro, Andrina Nicola +1
We perform a multiprobe analysis combining cosmic microwave background (CMB) data from Planck and the Atacama Cosmology Telescope (ACT), ACT CMB lensing, and large-scale structure…
pt combined probes: pipeline, neutrino mass, and data compression
Alexander Reeves, Andrina Nicola, Alexandre Refregier +2
With the rapid advance of wide-field surveys it is increasingly important to perform combined cosmological probe analyses. We present a new pipeline for simulation-based multi-prob…
Restoring cosmological concordance with early dark energy and massive neutrinos?
Alexander Reeves, Laura Herold, Sunny Vagnozzi +2
The early dark energy (EDE) solution to the Hubble tension comes at the cost of an increased clustering amplitude that has been argued to worsen the fit to galaxy clustering data.…
Debiasing inference in large-scale structure with non-flat volume measures
Alexander Reeves, Pierre Zhang, Henry Zheng
Increasingly large parameter spaces, used to more accurately model precision observables in physics, can paradoxically lead to large deviations in the inferred parameters of intere…
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.…