astro-ph.CO · 2026-05-28 · No. 11

Cosmology and Nongalactic Astrophysics, 2026-05-28.

1 new papers in astro-ph.CO. Titles, authors, abstracts. Links to arXiv. Want this in your inbox every morning? Subscribe →

01 — The papers

1 entries
  1. 01

    Dark Quest II: A Wide-Coverage Neural Network Emulator of the Nonlinear Matter Power Spectrum Across Extended Cosmologies

    Satoshi Tanaka, Takahiro Nishimichi, Yosuke Kobayashi

    astro-ph.CO · cs.LG

    \textsc{DarkEmulator2} is a neural network emulator of the nonlinear matter power spectrum in a nine-dimensional $w_0 w_a νo \mathrm{CDM}$ parameter space, developed as the emulator component of the \textsc{Dark Quest II} (DQ2) program. It is trained on simulations generated with the \textsc{Ginkaku} code, whose numerical implementation, accuracy tests, and post-processing pipeline are described in the companion paper. The design follows a...

    arxiv.org/abs/2605.28596 · PDF

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