Non-Gaussian Parameter Bias: Formalism and Validation

arXiv:2610.02104 · astro-ph.CO · Submitted 2026-10-01 · Read on arXiv

astro-ph.CO

Submitted: 2026-10-01

Updated: 2026-10-01

Code: https://github.com/derivkit/derivkit

Project page: https://emilhvitfeldt.github.io/r-color-palettes/discrete

Terminology

• Benchmark — 32× in this paper · explained in 2 episodes
• Accuracy — 7× in this paper · explained in 1 episode
• Additivity — 4× in this paper · explained in 1 episode
• Degeneracy — 4× in this paper · explained in 3 episodes
• Higher-order derivatives — 4× in this paper · explained in 2 episodes
• Alignment — 2× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Baryonic Feedback — 1× in this paper · explained in 3 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Fisher Information — 1× in this paper · explained in 3 episodes
• Interpretability — 1× in this paper · explained in 15 episodes

Sources

• Wide-Field InfrarRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report
• The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope
• Balancing bias, baryons, and scale cuts in LSST 3x2pt analysis
• DerivKit: stable numerical derivatives bridging Fisher forecasts and MCMC
• Inverting Fisher biases for fast systematics exploration
• FORM Version 5.0
• CMasher: Scientific colormaps for making accessible, informative and 'cmashing' plots
• Statistical techniques in cosmology

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