This involves one neural network to distinguish semantically which particles become part of any halo and a second neural network that groups these particles by halo membership into different instances.
Cosmology and Nongalactic Astrophysics
Agama (Action-based Galaxy Modelling Architecture) is a software library intended for a broad range of tasks within the field of stellar dynamics.
Instrumentation and Methods for Astrophysics Astrophysics of Galaxies
Frequentist profile likelihoods have seen a resurgence in cosmology, offering an alternative to Bayesian methods as they can circumvent the impact of prior-volume effects.
Cosmology and Nongalactic Astrophysics
In the big data era of Astrophysics, the improvement of visualization techniques can greatly enhance the ability to identify and interpret key features in complex datasets.
Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology
Gravitational waves, detected a century after they were first theorized, are spacetime distortions caused by some of the most cataclysmic events in the universe, including black hole mergers and supernovae.
Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology Optics
Multi-agent systems (MAS) utilizing multiple Large Language Model agents with Retrieval Augmented Generation and that can execute code locally may become beneficial in cosmological data analysis.
Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics Computational Physics Data Analysis, Statistics and Probability
The core of Shamrock is an accelerated parallel tree with negligible construction time, whose efficiency is based on binary algebra.
Instrumentation and Methods for Astrophysics Distributed, Parallel, and Cluster Computing
We present gwharmone, the first data-driven surrogate model for eccentric harmonics (as well as the full radiation content) of the dominant quadrupolar mode in eccentric, non-spinning binary black hole mergers.
High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology
The Astropy Project supports and fosters the development of open-source and openly-developed Python packages that provide commonly needed functionality to the astronomical community.
Instrumentation and Methods for Astrophysics
In this paper, we present new measurements of cosmic birefringence from a joint analysis of polarization data from two space missions, Planck and WMAP.
Cosmology and Nongalactic Astrophysics