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astro-ph.IM2025
Addressing prior dependence in hierarchical Bayesian modeling for PTA data analysis I: Methodology and implementation
Luigi D'amico, Eleonora Villa, Fatima Modica Bittordo +4
Complex inference tasks, such as those encountered in Pulsar Timing Array (PTA) data analysis, rely on Bayesian frameworks. The high-dimensional parameter space and the strong inte…
astro-ph.IM2013
Up to 700k GPU cores, Kepler, and the Exascale future for simulations of star clusters around black holes
P. Berczik, R. Spurzem, L. Wang +9
We present direct astrophysical N-body simulations with up to a few million bodies using our parallel MPI/CUDA code on large GPU clusters in China, Ukraine and Germany, with differ…