Search Results for author: Florian List

Found 8 papers, 4 papers with code

A deep learning framework for jointly extracting spectra and source-count distributions in astronomy

no code implementations6 Jan 2024 Florian Wolf, Florian List, Nicholas L. Rodd, Oliver Hahn

Astronomical observations typically provide three-dimensional maps, encoding the distribution of the observed flux in (1) the two angles of the celestial sphere and (2) energy/frequency.

Astronomy

Bayesian Simulation-based Inference for Cosmological Initial Conditions

no code implementations30 Oct 2023 Florian List, Noemi Anau Montel, Christoph Weniger

The proposed technique is applicable to generic (non-differentiable) forward simulators and allows sampling from the posterior for the underlying field.

Stochastic Super-resolution of Cosmological Simulations with Denoising Diffusion Models

no code implementations10 Oct 2023 Andreas Schanz, Florian List, Oliver Hahn

In recent years, deep learning models have been successfully employed for augmenting low-resolution cosmological simulations with small-scale information, a task known as "super-resolution".

Denoising Super-Resolution +1

Dim but not entirely dark: Extracting the Galactic Center Excess' source-count distribution with neural nets

1 code implementation19 Jul 2021 Florian List, Nicholas L. Rodd, Geraint F. Lewis

The two leading hypotheses for the Galactic Center Excess (GCE) in the $\textit{Fermi}$ data are an unresolved population of faint millisecond pulsars (MSPs) and dark-matter (DM) annihilation.

The Earth Mover's Pinball Loss: Quantiles for Histogram-Valued Regression

1 code implementation3 Jun 2021 Florian List

Although ubiquitous in the sciences, histogram data have not received much attention by the Deep Learning community.

regression

The GCE in a New Light: Disentangling the $γ$-ray Sky with Bayesian Graph Convolutional Neural Networks

1 code implementation22 Jun 2020 Florian List, Nicholas L. Rodd, Geraint F. Lewis, Ishaan Bhat

In simulated data, our neural network (NN) is able to reconstruct the flux of inner Galaxy emission components to on average $\sim$0. 5%, comparable to the non-Poissonian template fit (NPTF).

A unified framework for 21cm tomography sample generation and parameter inference with Progressively Growing GANs

1 code implementation19 Feb 2020 Florian List, Geraint F. Lewis

Creating a database of 21cm brightness temperature signals from the Epoch of Reionisation (EoR) for an array of reionisation histories is a complex and computationally expensive task, given the range of astrophysical processes involved and the possibly high-dimensional parameter space that is to be probed.

Generative Adversarial Network

A black box for dark sector physics: Predicting dark matter annihilation feedback with conditional GANs

no code implementations1 Oct 2019 Florian List, Ishaan Bhat, Geraint F. Lewis

Traditionally, incorporating additional physics into existing cosmological simulations requires re-running the cosmological simulation code, which can be computationally expensive.

Cosmology and Nongalactic Astrophysics

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